Link following in Debian Linux - CVE-2011-2923

 

Link following in Debian Linux - CVE-2011-2923

Published: November 19, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU35055
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2011-2923
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Debian
Affected software:
Debian Linux

Detailed vulnerability description

The vulnerability allows a local authenticated user to manipulate data.

foomatic-rip filter, all versions, used insecurely creates temporary files for storage of PostScript data by rendering the data when the debug mode was enabled. This flaw may be exploited by a local attacker to conduct symlink attacks by overwriting arbitrary files accessible with the privileges of the user running the foomatic-rip universal print filter.


How to mitigate CVE-2011-2923

Install update from vendor's website.

Sources