The web interface in CUPS before 1.7.4 allows local users in the lp group to read arbitrary files via a symlink attack on a file in /var/cache/cups/rss/.

References

• https://nvd.nist.gov/vuln/detail/CVE-2014-3537
• https://bugzilla.redhat.com/show_bug.cgi?id=1115576
• https://support.apple.com/kb/HT6535
• http://advisories.mageia.org/MGASA-2014-0313.html
• http://archives.neohapsis.com/archives/bugtraq/2014-10/0101.html
• http://lists.fedoraproject.org/pipermail/package-announce/2014-July/135528.html
• http://rhn.redhat.com/errata/RHSA-2014-1388.html
• http://secunia.com/advisories/59945
• http://secunia.com/advisories/60273
• http://secunia.com/advisories/60787
• http://www.cups.org/blog.php?L724
• http://www.cups.org/str.php?L4450
• http://www.mandriva.com/security/advisories?name=MDVSA-2015:108
• http://www.securityfocus.com/bid/68788
• http://www.securitytracker.com/id/1030611
• http://www.ubuntu.com/usn/USN-2293-1
• https://access.redhat.com/errata/RHBA-2015:0386
• https://access.redhat.com/errata/RHSA-2014:1388
• https://access.redhat.com/security/cve/CVE-2014-3537