The abrt-hook-ccpp help program in Automatic Bug Reporting Tool (ABRT) before 2.7.1 allows local users with certain permissions to gain privileges via a symlink attack on a file with a predictable name, as demonstrated by /var/tmp/abrt/abrt-hax-coredump or /var/spool/abrt/abrt-hax-coredump.

References

• https://nvd.nist.gov/vuln/detail/CVE-2015-5287
• abrt/abrt@3c1b60c
• https://bugzilla.redhat.com/show_bug.cgi?id=1266837
• https://www.exploit-db.com/exploits/38832/
• http://packetstormsecurity.com/files/154592/ABRT-sosreport-Privilege-Escalation.html
• http://rhn.redhat.com/errata/RHSA-2015-2505.html
• http://www.openwall.com/lists/oss-security/2015/12/01/1
• http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
• http://www.securityfocus.com/bid/78137