Permissions, Privileges, and Access Controls in OpenPrinting cups-filters

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU32562

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 - Permissions, Privileges, and Access Controls

Exploit availability: No

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

CPE2.3

• cpe:2.3:a:OpenPrinting:cups-filters:1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:OpenPrinting:cups-filters:1.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:OpenPrinting:cups-filters:1.0.3:*:*:*:*:*:*:*

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

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.