#VU32504 Link following in CUPS - CVE-2014-3537

Vulnerability identifier: #VU32504

Vulnerability risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2014-3537

CWE-ID: CWE-59

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
CUPS
Server applications / Other server solutions

Vendor: Apple Inc.

Description

The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.

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/.

Mitigation
Install update from vendor's website.

Vulnerable software versions

CUPS: 1.7.0 - 1.7.3

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

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.