Change: Log to stderr, new log file build option.

[jhelmold]

What

Now the log messages are logged to stderr by default. The log file for the generated gsad_log.conf can now be set by a new build option GSAD_LOG_FILE.

Why

Logging to stderr makes the messages also accessible in docker containers.

References

GEA-420

Checklist

• Tests

[github-actions]

Conventional Commits Report

Type	Number
Changed	1

🚀 Conventional commits found.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 5.72%. Comparing base (9b8e227) to head (7a2684d).
Report is 8 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##            main    #184      +/-   ##
========================================
- Coverage   5.72%   5.72%   -0.01%     
========================================
  Files         17      17              
  Lines       8402    8404       +2     
  Branches     951     951              
========================================
  Hits         481     481              
- Misses      7912    7914       +2     
  Partials       9       9              

Flag	Coverage Δ
unittests	5.72% <ø> (-0.01%)	⬇️

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[github-actions]

🔍 Vulnerabilities of harbor-os.greenbone.net/community/gsad:184-merge-amd64

📦 Image Reference harbor-os.greenbone.net/community/gsad:184-merge-amd64

digest	sha256:dd418edfa9e419383f182b5e7ecd1a45b5279cd3d9d14d09a0dfcbef32decf11
vulnerabilities
size	61 MB
packages	195

📦 Base Image debian:oldstable-20241016-slim

also known as	oldstable-slim
digest	sha256:3a99f42e7f377765bc5d6773c22c23d85e9175a57dd95f72c307845174514d29
vulnerabilities

perl 5.32.1-4+deb11u3 (deb) pkg:deb/debian/[email protected]%2Bdeb11u3?os_distro=bullseye&os_name=debian&os_version=11 Affected range <5.32.1-4+deb11u4 Fixed version 5.32.1-4+deb11u4 EPSS Score 0.40% EPSS Percentile 74th percentile Description CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS. Affected range <5.32.1-4+deb11u4 Fixed version 5.32.1-4+deb11u4 EPSS Score 0.19% EPSS Percentile 57th percentile Description CPAN 2.28 allows Signature Verification Bypass. Affected range >=5.32.1-4+deb11u3 Fixed version Not Fixed EPSS Score 0.28% EPSS Percentile 69th percentile Description HTTP::Tiny before 0.083, a Perl core module since 5.13.9 and available standalone on CPAN, has an insecure default TLS configuration where users must opt in to verify certificates. Affected range >=5.32.1-4+deb11u3 Fixed version Not Fixed EPSS Score 0.24% EPSS Percentile 65th percentile Description _is_safe in the File::Temp module for Perl does not properly handle symlinks.

pam 1.4.0-9+deb11u1 (deb) pkg:deb/debian/[email protected]%2Bdeb11u1?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=1.4.0-9+deb11u1 Fixed version Not Fixed EPSS Score 0.04% EPSS Percentile 10th percentile Description A vulnerability was found in PAM. The secret information is stored in memory, where the attacker can trigger the victim program to execute by sending characters to its standard input (stdin). As this occurs, the attacker can train the branch predictor to execute an ROP chain speculatively. This flaw could result in leaked passwords, such as those found in /etc/shadow while performing authentications.

glibc 2.31-13+deb11u11 (deb) pkg:deb/debian/[email protected]%2Bdeb11u11?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=2.31-13+deb11u11 Fixed version Not Fixed EPSS Score 0.11% EPSS Percentile 45th percentile Description In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(|)(\1\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern Affected range >=2.31-13+deb11u11 Fixed version Not Fixed EPSS Score 0.35% EPSS Percentile 73rd percentile Description GNU Libc current is affected by: Mitigation bypass. The impact is: Attacker may guess the heap addresses of pthread_created thread. The component is: glibc. NOTE: the vendor's position is "ASLR bypass itself is not a vulnerability. Affected range >=2.31-13+deb11u11 Fixed version Not Fixed EPSS Score 3.02% EPSS Percentile 91st percentile Description GNU Libc current is affected by: Mitigation bypass. The impact is: Attacker may bypass ASLR using cache of thread stack and heap. The component is: glibc. NOTE: Upstream comments indicate "this is being treated as a non-security bug and no real threat. Affected range >=2.31-13+deb11u11 Fixed version Not Fixed EPSS Score 1.20% EPSS Percentile 86th percentile Description GNU Libc current is affected by: Re-mapping current loaded library with malicious ELF file. The impact is: In worst case attacker may evaluate privileges. The component is: libld. The attack vector is: Attacker sends 2 ELF files to victim and asks to run ldd on it. ldd execute code. NOTE: Upstream comments indicate "this is being treated as a non-security bug and no real threat. Affected range >=2.31-13+deb11u11 Fixed version Not Fixed EPSS Score 0.41% EPSS Percentile 75th percentile Description GNU Libc current is affected by: Mitigation bypass. The impact is: Attacker may bypass stack guard protection. The component is: nptl. The attack vector is: Exploit stack buffer overflow vulnerability and use this bypass vulnerability to bypass stack guard. NOTE: Upstream comments indicate "this is being treated as a non-security bug and no real threat. Affected range >=2.31-13+deb11u11 Fixed version Not Fixed EPSS Score 0.44% EPSS Percentile 75th percentile Description In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(\227|)(\1\1|t1|\\2537)+' in grep. Affected range >=2.31-13+deb11u11 Fixed version Not Fixed EPSS Score 0.82% EPSS Percentile 82nd percentile Description The glob implementation in the GNU C Library (aka glibc or libc6) allows remote authenticated users to cause a denial of service (CPU and memory consumption) via crafted glob expressions that do not match any pathnames, as demonstrated by glob expressions in STAT commands to an FTP daemon, a different vulnerability than CVE-2010-2632.

systemd 247.3-7+deb11u6 (deb) pkg:deb/debian/[email protected]%2Bdeb11u6?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=247.3-7+deb11u5 Fixed version Not Fixed EPSS Score 0.10% EPSS Percentile 42nd percentile Description An issue was discovered in systemd 253. An attacker can modify the contents of past events in a sealed log file and then adjust the file such that checking the integrity shows no error, despite modifications. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability." Affected range >=247.3-7+deb11u5 Fixed version Not Fixed EPSS Score 0.10% EPSS Percentile 42nd percentile Description An issue was discovered in systemd 253. An attacker can truncate a sealed log file and then resume log sealing such that checking the integrity shows no error, despite modifications. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability." Affected range >=247.3-7+deb11u5 Fixed version Not Fixed EPSS Score 0.09% EPSS Percentile 39th percentile Description An issue was discovered in systemd 253. An attacker can modify a sealed log file such that, in some views, not all existing and sealed log messages are displayed. NOTE: the vendor reportedly sent "a reply denying that any of the finding was a security vulnerability." Affected range >=247.3-7+deb11u5 Fixed version Not Fixed EPSS Score 0.14% EPSS Percentile 50th percentile Description An exploitable denial-of-service vulnerability exists in Systemd 245. A specially crafted DHCP FORCERENEW packet can cause a server running the DHCP client to be vulnerable to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server. Affected range >=247.3-7+deb11u5 Fixed version Not Fixed EPSS Score 0.04% EPSS Percentile 5th percentile Description systemd, when updating file permissions, allows local users to change the permissions and SELinux security contexts for arbitrary files via a symlink attack on unspecified files.

pcre3 2:8.39-13 (deb) pkg:deb/debian/pcre3@2:8.39-13?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=2:8.39-13 Fixed version Not Fixed EPSS Score 1.03% EPSS Percentile 84th percentile Description libpcre in PCRE before 8.43 allows a subject buffer over-read in JIT when UTF is disabled, and \X or \R has more than one fixed quantifier, a related issue to CVE-2019-20454. Affected range >=2:8.39-13 Fixed version Not Fixed EPSS Score 0.65% EPSS Percentile 80th percentile Description Stack-based buffer overflow in the pcre32_copy_substring function in pcre_get.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (WRITE of size 268) or possibly have unspecified other impact via a crafted file. Affected range >=2:8.39-13 Fixed version Not Fixed EPSS Score 0.65% EPSS Percentile 80th percentile Description Stack-based buffer overflow in the pcre32_copy_substring function in pcre_get.c in libpcre1 in PCRE 8.40 allows remote attackers to cause a denial of service (WRITE of size 4) or possibly have unspecified other impact via a crafted file. Affected range >=2:8.39-13 Fixed version Not Fixed EPSS Score 0.08% EPSS Percentile 37th percentile Description In PCRE 8.41, after compiling, a pcretest load test PoC produces a crash overflow in the function match() in pcre_exec.c because of a self-recursive call. NOTE: third parties dispute the relevance of this report, noting that there are options that can be used to limit the amount of stack that is used Affected range >=2:8.39-13 Fixed version Not Fixed EPSS Score 0.37% EPSS Percentile 73rd percentile Description In PCRE 8.41, the OP_KETRMAX feature in the match function in pcre_exec.c allows stack exhaustion (uncontrolled recursion) when processing a crafted regular expression.

libsepol 3.1-1 (deb) pkg:deb/debian/[email protected]?os_distro=bullseye&os_name=debian&os_version=11 Affected range <3.1-1+deb11u1 Fixed version 3.1-1+deb11u1 EPSS Score 0.07% EPSS Percentile 32nd percentile Description The CIL compiler in SELinux 3.2 has a heap-based buffer over-read in ebitmap_match_any (called indirectly from cil_check_neverallow). This occurs because there is sometimes a lack of checks for invalid statements in an optional block. Affected range <3.1-1+deb11u1 Fixed version 3.1-1+deb11u1 EPSS Score 0.07% EPSS Percentile 31st percentile Description The CIL compiler in SELinux 3.2 has a use-after-free in cil_reset_classpermission (called from cil_reset_classperms_set and cil_reset_classperms_list). Affected range <3.1-1+deb11u1 Fixed version 3.1-1+deb11u1 EPSS Score 0.07% EPSS Percentile 31st percentile Description The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __verify_map_perm_classperms and hashtab_map). Affected range <3.1-1+deb11u1 Fixed version 3.1-1+deb11u1 EPSS Score 0.10% EPSS Percentile 41st percentile Description The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper).

openldap 2.4.57+dfsg-3+deb11u1 (deb) pkg:deb/debian/[email protected]%2Bdfsg-3%2Bdeb11u1?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=2.4.57+dfsg-3+deb11u1 Fixed version Not Fixed EPSS Score 0.16% EPSS Percentile 54th percentile Description libldap in certain third-party OpenLDAP packages has a certificate-validation flaw when the third-party package is asserting RFC6125 support. It considers CN even when there is a non-matching subjectAltName (SAN). This is fixed in, for example, openldap-2.4.46-10.el8 in Red Hat Enterprise Linux. Affected range >=2.4.57+dfsg-3+deb11u1 Fixed version Not Fixed EPSS Score 0.41% EPSS Percentile 74th percentile Description contrib/slapd-modules/nops/nops.c in OpenLDAP through 2.4.45, when both the nops module and the memberof overlay are enabled, attempts to free a buffer that was allocated on the stack, which allows remote attackers to cause a denial of service (slapd crash) via a member MODDN operation. Affected range >=2.4.57+dfsg-3+deb11u1 Fixed version Not Fixed EPSS Score 0.04% EPSS Percentile 11th percentile Description slapd in OpenLDAP 2.4.45 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a "kill cat /pathname" command, as demonstrated by openldap-initscript. Affected range >=2.4.57+dfsg-3+deb11u1 Fixed version Not Fixed EPSS Score 0.42% EPSS Percentile 75th percentile Description The nss_parse_ciphers function in libraries/libldap/tls_m.c in OpenLDAP does not properly parse OpenSSL-style multi-keyword mode cipher strings, which might cause a weaker than intended cipher to be used and allow remote attackers to have unspecified impact via unknown vectors.

krb5 1.18.3-6+deb11u5 (deb) pkg:deb/debian/[email protected]%2Bdeb11u5?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=1.18.3-6+deb11u5 Fixed version Not Fixed EPSS Score 0.04% EPSS Percentile 10th percentile Description Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c. Affected range >=1.18.3-6+deb11u5 Fixed version Not Fixed EPSS Score 0.04% EPSS Percentile 10th percentile Description Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c. Affected range >=1.18.3-6+deb11u5 Fixed version Not Fixed EPSS Score 0.10% EPSS Percentile 42nd percentile Description An issue was discovered in MIT Kerberos 5 (aka krb5) through 1.16. There is a variable "dbentry->n_key_data" in kadmin/dbutil/dump.c that can store 16-bit data but unknowingly the developer has assigned a "u4" variable to it, which is for 32-bit data. An attacker can use this vulnerability to affect other artifacts of the database as we know that a Kerberos database dump file contains trusted data.

sqlite3 3.34.1-3+deb11u1 (deb) pkg:deb/debian/[email protected]%2Bdeb11u1?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=3.34.1-3 Fixed version Not Fixed EPSS Score 0.33% EPSS Percentile 71st percentile Description SQLite 1.0.12 through 3.39.x before 3.39.2 sometimes allows an array-bounds overflow if billions of bytes are used in a string argument to a C API. Affected range >=3.34.1-3 Fixed version Not Fixed EPSS Score 0.22% EPSS Percentile 61st percentile Description A Memory Leak vulnerability exists in SQLite Project SQLite3 3.35.1 and 3.37.0 via maliciously crafted SQL Queries (made via editing the Database File), it is possible to query a record, and leak subsequent bytes of memory that extend beyond the record, which could let a malicious user obtain sensitive information. NOTE: The developer disputes this as a vulnerability stating that If you give SQLite a corrupted database file and submit a query against the database, it might read parts of the database that you did not intend or expect.

libpcap 1.10.0-2 (deb) pkg:deb/debian/[email protected]?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=1.10.0-2 Fixed version Not Fixed EPSS Score 0.04% EPSS Percentile 10th percentile Description Remote packet capture support is disabled by default in libpcap. When a user builds libpcap with remote packet capture support enabled, one of the functions that become available is pcap_findalldevs_ex(). One of the function arguments can be a filesystem path, which normally means a directory with input data files. When the specified path cannot be used as a directory, the function receives NULL from opendir(), but does not check the return value and passes the NULL value to readdir(), which causes a NULL pointer derefence. Affected range >=1.10.0-2 Fixed version Not Fixed EPSS Score 0.04% EPSS Percentile 10th percentile Description In affected libpcap versions during the setup of a remote packet capture the internal function sock_initaddress() calls getaddrinfo() and possibly freeaddrinfo(), but does not clearly indicate to the caller function whether freeaddrinfo() still remains to be called after the function returns. This makes it possible in some scenarios that both the function and its caller call freeaddrinfo() for the same allocated memory block. A similar problem was reported in Apple libpcap, to which Apple assigned CVE-2023-40400.

shadow 1:4.8.1-1 (deb) pkg:deb/debian/shadow@1:4.8.1-1?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=1:4.8.1-1 Fixed version Not Fixed EPSS Score 0.05% EPSS Percentile 18th percentile Description shadow: TOCTOU (time-of-check time-of-use) race condition when copying and removing directory trees Affected range >=1:4.8.1-1 Fixed version Not Fixed EPSS Score 0.16% EPSS Percentile 53rd percentile Description initscripts in rPath Linux 1 sets insecure permissions for the /var/log/btmp file, which allows local users to obtain sensitive information regarding authentication attempts. NOTE: because sshd detects the insecure permissions and does not log certain events, this also prevents sshd from logging failed authentication attempts by remote attackers.

glib2.0 2.66.8-1+deb11u4 (deb) pkg:deb/debian/[email protected]%2Bdeb11u4?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=2.66.8-1+deb11u4 Fixed version Not Fixed EPSS Score 0.16% EPSS Percentile 53rd percentile Description GLib 2.31.8 and earlier, when the g_str_hash function is used, computes hash values without restricting the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table. NOTE: this issue may be disputed by the vendor; the existence of the g_str_hash function is not a vulnerability in the library, because callers of g_hash_table_new and g_hash_table_new_full can specify an arbitrary hash function that is appropriate for the application.

gcc-9 9.3.0-22 (deb) pkg:deb/debian/[email protected]?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=9.3.0-22 Fixed version Not Fixed EPSS Score 0.06% EPSS Percentile 26th percentile Description DISPUTEDA failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your application without this being detected. This stack-protector failure only applies to C99-style dynamically-sized local variables or those created using alloca(). The stack-protector operates as intended for statically-sized local variables. The default behavior when the stack-protector detects an overflow is to terminate your application, resulting in controlled loss of availability. An attacker who can exploit a buffer overflow without triggering the stack-protector might be able to change program flow control to cause an uncontrolled loss of availability or to go further and affect confidentiality or integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by itself.

libxml2 2.9.10+dfsg-6.7+deb11u5 (deb) pkg:deb/debian/[email protected]%2Bdfsg-6.7%2Bdeb11u5?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=2.9.10+dfsg-6.7+deb11u4 Fixed version Not Fixed EPSS Score 0.04% EPSS Percentile 11th percentile Description An issue was discovered in xmllint (from libxml2) before 2.11.8 and 2.12.x before 2.12.7. Formatting error messages with xmllint --htmlout can result in a buffer over-read in xmlHTMLPrintFileContext in xmllint.c.

tar 1.34+dfsg-1+deb11u1 (deb) pkg:deb/debian/[email protected]%2Bdfsg-1%2Bdeb11u1?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=1.34+dfsg-1+deb11u1 Fixed version Not Fixed EPSS Score 0.69% EPSS Percentile 81st percentile Description Tar 1.15.1 does not properly warn the user when extracting setuid or setgid files, which may allow local users or remote attackers to gain privileges.

libgcrypt20 1.8.7-6 (deb) pkg:deb/debian/[email protected]?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=1.8.7-6 Fixed version Not Fixed EPSS Score 0.19% EPSS Percentile 58th percentile Description cipher/elgamal.c in Libgcrypt through 1.8.2, when used to encrypt messages directly, improperly encodes plaintexts, which allows attackers to obtain sensitive information by reading ciphertext data (i.e., it does not have semantic security in face of a ciphertext-only attack). The Decisional Diffie-Hellman (DDH) assumption does not hold for Libgcrypt's ElGamal implementation.

pcre2 10.36-2+deb11u1 (deb) pkg:deb/debian/[email protected]%2Bdeb11u1?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=10.36-2+deb11u1 Fixed version Not Fixed EPSS Score 0.09% EPSS Percentile 37th percentile Description Integer overflow vulnerability in pcre2test before 10.41 allows attackers to cause a denial of service or other unspecified impacts via negative input.

coreutils 8.32-4+b1 (deb) pkg:deb/debian/[email protected]%2Bb1?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=8.32-4 Fixed version Not Fixed EPSS Score 0.04% EPSS Percentile 5th percentile Description In GNU Coreutils through 8.29, chown-core.c in chown and chgrp does not prevent replacement of a plain file with a symlink during use of the POSIX "-R -L" options, which allows local users to modify the ownership of arbitrary files by leveraging a race condition.

util-linux 2.36.1-8+deb11u2 (deb) pkg:deb/debian/[email protected]%2Bdeb11u2?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=2.36.1-8+deb11u2 Fixed version Not Fixed EPSS Score 0.05% EPSS Percentile 18th percentile Description A flaw was found in the util-linux chfn and chsh utilities when compiled with Readline support. The Readline library uses an "INPUTRC" environment variable to get a path to the library config file. When the library cannot parse the specified file, it prints an error message containing data from the file. This flaw allows an unprivileged user to read root-owned files, potentially leading to privilege escalation. This flaw affects util-linux versions prior to 2.37.4.

hiredis 0.14.1-1 (deb) pkg:deb/debian/[email protected]?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=0.14.1-1 Fixed version Not Fixed EPSS Score 3.61% EPSS Percentile 92nd percentile Description Hiredis is a minimalistic C client library for the Redis database. In affected versions Hiredis is vulnurable to integer overflow if provided maliciously crafted or corrupted RESP mult-bulk protocol data. When parsing multi-bulk (array-like) replies, hiredis fails to check if count * sizeof(redisReply*) can be represented in SIZE_MAX. If it can not, and the calloc() call doesn't itself make this check, it would result in a short allocation and subsequent buffer overflow. Users of hiredis who are unable to update may set the maxelements context option to a value small enough that no overflow is possible.

openssl 1.1.1w-0+deb11u1 (deb) pkg:deb/debian/[email protected]%2Bdeb11u1?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=1.1.1w-0+deb11u1 Fixed version Not Fixed EPSS Score 0.07% EPSS Percentile 30th percentile Description OpenSSL 0.9.8i on the Gaisler Research LEON3 SoC on the Xilinx Virtex-II Pro FPGA uses a Fixed Width Exponentiation (FWE) algorithm for certain signature calculations, and does not verify the signature before providing it to a caller, which makes it easier for physically proximate attackers to determine the private key via a modified supply voltage for the microprocessor, related to a "fault-based attack."

gnupg2 2.2.27-2+deb11u2 (deb) pkg:deb/debian/[email protected]%2Bdeb11u2?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=2.2.27-2+deb11u2 Fixed version Not Fixed EPSS Score 0.05% EPSS Percentile 18th percentile Description GnuPG can be made to spin on a relatively small input by (for example) crafting a public key with thousands of signatures attached, compressed down to just a few KB.

gcc-10 10.2.1-6 (deb) pkg:deb/debian/[email protected]?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=10.2.1-6 Fixed version Not Fixed EPSS Score 0.06% EPSS Percentile 26th percentile Description DISPUTEDA failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your application without this being detected. This stack-protector failure only applies to C99-style dynamically-sized local variables or those created using alloca(). The stack-protector operates as intended for statically-sized local variables. The default behavior when the stack-protector detects an overflow is to terminate your application, resulting in controlled loss of availability. An attacker who can exploit a buffer overflow without triggering the stack-protector might be able to change program flow control to cause an uncontrolled loss of availability or to go further and affect confidentiality or integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by itself.

apt 2.2.4 (deb) pkg:deb/debian/[email protected]?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=2.2.4 Fixed version Not Fixed EPSS Score 0.16% EPSS Percentile 54th percentile Description It was found that apt-key in apt, all versions, do not correctly validate gpg keys with the master keyring, leading to a potential man-in-the-middle attack.

gnutls28 3.7.1-5+deb11u6 (deb) pkg:deb/debian/[email protected]%2Bdeb11u6?os_distro=bullseye&os_name=debian&os_version=11 Affected range >=3.7.1-5+deb11u5 Fixed version Not Fixed EPSS Score 0.60% EPSS Percentile 79th percentile Description The SSL protocol, as used in certain configurations in Microsoft Windows and Microsoft Internet Explorer, Mozilla Firefox, Google Chrome, Opera, and other products, encrypts data by using CBC mode with chained initialization vectors, which allows man-in-the-middle attackers to obtain plaintext HTTP headers via a blockwise chosen-boundary attack (BCBA) on an HTTPS session, in conjunction with JavaScript code that uses (1) the HTML5 WebSocket API, (2) the Java URLConnection API, or (3) the Silverlight WebClient API, aka a "BEAST" attack.