#VU35054 Link following in Debian Linux - CVE-2011-2924

Vulnerability identifier: #VU35054

Vulnerability risk: Low

CVSSv4.0: 4.3 [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-2011-2924

CWE-ID: CWE-59

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Debian Linux
Operating systems & Components / Operating system

Vendor: Debian

Description

The vulnerability allows a local authenticated user to manipulate data.

foomatic-rip filter v4.0.12 and prior 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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Debian Linux: 8.0 - 9.0

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External links
https://access.redhat.com/security/cve/cve-2011-2924
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2924
https://launchpad.net/ubuntu/+source/foomatic-filters/4.0.12-1
https://lwn.net/Articles/459979/
https://security-tracker.debian.org/tracker/CVE-2011-2924
https://www.openwall.com/lists/oss-security/2014/02/08/5/1

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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.