#VU32562 Permissions, Privileges, and Access Controls in cups-filters - CVE-2013-6476

Vulnerability identifier: #VU32562

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2013-6476

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
cups-filters
Other software / Other software solutions

Vendor: OpenPrinting

Description

The vulnerability allows a local non-authenticated attacker to read and manipulate data.

The OPVPWrapper::loadDriver function in oprs/OPVPWrapper.cxx in the pdftoopvp filter in CUPS and cups-filters before 1.0.47 allows local users to gain privileges via a Trojan horse driver in the same directory as the PDF file.

Mitigation
Install update from vendor's website.

Vulnerable software versions

cups-filters: 1.0.1 - 1.0.46

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External links
https://bzr.linuxfoundation.org/loggerhead/openprinting/cups-filters/revision/7176
https://www.debian.org/security/2014/dsa-2875
https://www.debian.org/security/2014/dsa-2876
https://www.ubuntu.com/usn/USN-2143-1
https://www.ubuntu.com/usn/USN-2144-1
https://bugzilla.redhat.com/show_bug.cgi?id=1027551

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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.