SB2014052804 - Cross-site scripting in cups (Alpine package)

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2014-2856)

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.

Remediation

Install update from vendor's website.

References

• https://git.alpinelinux.org/aports/commit/?id=d55a9f01b6894e54eaadb528fd3c1eb058268774
• https://git.alpinelinux.org/aports/commit/?id=eae6d59108f8c56e3d384871e2cfc86e544f3005
• https://git.alpinelinux.org/aports/commit/?id=2ade857a180db5f32be7db986a7e7c62bd0befc1