CVE-2012-5356
5.8 · MEDIUMThe apt-add-repository tool in Ubuntu Software Properties 0.75.x before 0.75.10.3, 0.80.x before 0.80.9.2, 0.81.x before 0.81.13.5, 0.82.x before 0.82.7.3, and 0.92.x before 0.92.8 does not properl…
Overview
CVE-2012-5356 is a medium-severity vulnerability affecting canonical ubuntu_software_properties. It was published on October 10, 2012 and has a CVSS 2.0 base score of 5.8 (MEDIUM).
This vulnerability has a CVSS 2.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical description
The apt-add-repository tool in Ubuntu Software Properties 0.75.x before 0.75.10.3, 0.80.x before 0.80.9.2, 0.81.x before 0.81.13.5, 0.82.x before 0.82.7.3, and 0.92.x before 0.92.8 does not properly check PPA GPG keys imported from a keyserver, which allows remote attackers to install arbitrary package repository GPG keys via a man-in-the-middle (MITM) attack.
Remediation
Check the references section for vendor advisories and patches from canonical. Update ubuntu_software_properties to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected products
| Vendor | Product | Versions | Status |
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References
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Frequently asked questions
What is CVE-2012-5356?
CVE-2012-5356 is a medium-severity vulnerability affecting canonical ubuntu_software_properties. It was published on October 10, 2012 and has a CVSS 2.0 base score of 5.8 (MEDIUM).
How severe is CVE-2012-5356?
This vulnerability has a CVSS 2.0 base score of 5.8, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2012-5356?
Check the references section for vendor advisories and patches from canonical. Update ubuntu_software_properties to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2012-5356?
CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2012-5356 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.
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