#VU32526 Cross-site scripting in CUPS - CVE-2014-2856

Vulnerability identifier: #VU32526

Vulnerability risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2014-2856

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
CUPS
Server applications / Other server solutions

Vendor: Apple Inc.

Description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in scheduler/client.c in Common Unix Printing System (CUPS) before 1.7.2 when processing URL path, related to the is_path_absolute function. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation
Update to version 1.7.2.

Vulnerable software versions

CUPS: 1.7.0 - 1.7.1

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External links
https://advisories.mageia.org/MGASA-2014-0193.html
https://rhn.redhat.com/errata/RHSA-2014-1388.html
https://secunia.com/advisories/57880
https://www.cups.org/documentation.php/relnotes.html
https://www.cups.org/str.php?L4356
https://www.mandriva.com/security/advisories?name=MDVSA-2015:108
https://www.openwall.com/lists/oss-security/2014/04/14/2
https://www.openwall.com/lists/oss-security/2014/04/15/3
https://www.securityfocus.com/bid/66788
https://www.ubuntu.com/usn/USN-2172-1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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