The init.d script for the X.Org X11 xfs font server on various Linux distributions might allow local users to change the permissions of arbitrary files via a symlink attack on the /tmp/.font-unix temporary file.

References

• https://nvd.nist.gov/vuln/detail/CVE-2007-3103
• https://exchange.xforce.ibmcloud.com/vulnerabilities/35375
• https://issues.rpath.com/browse/RPL-1485
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10802
• https://www.exploit-db.com/exploits/5167
• https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00095.html
• https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00096.html
• http://bugs.gentoo.org/show_bug.cgi?id=185660
• http://bugzilla.redhat.com/242903
• http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=557
• http://osvdb.org/40945
• http://secunia.com/advisories/26056
• http://secunia.com/advisories/26081
• http://secunia.com/advisories/26282
• http://secunia.com/advisories/27240
• http://secunia.com/advisories/35674
• http://security.gentoo.org/glsa/glsa-200710-11.xml
• http://www.debian.org/security/2007/dsa-1342
• http://www.redhat.com/support/errata/RHSA-2007-0519.html
• http://www.redhat.com/support/errata/RHSA-2007-0520.html
• http://www.securityfocus.com/archive/1/473869/100/0/threaded
• http://www.securityfocus.com/bid/24888
• http://www.securitytracker.com/id?1018375