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CVE-2013-2145

4.4 · MEDIUM

The cpansign verify functionality in the Module::Signature module before 0.72 for Perl allows attackers to bypass the signature check and execute arbitrary code via a SIGNATURE file with a "special…

Published Aug 19, 2013canonicalCWE-20EPSS 0.55%

Overview

CVE-2013-2145 is a medium-severity vulnerability affecting canonical ubuntu_linux. It was published on August 19, 2013 and has a CVSS 2.0 base score of 4.4 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

Technical description

The cpansign verify functionality in the Module::Signature module before 0.72 for Perl allows attackers to bypass the signature check and execute arbitrary code via a SIGNATURE file with a "special unknown cipher" that references an untrusted module in Digest/.

Remediation

Check the references section for vendor advisories and patches from canonical. Update ubuntu_linux 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

VendorProductVersionsStatus
perlmonksmodule\0Affected

References

Reflists.opensuse.org/opensuse-updates/2013-07/msg00039.htmlReflists.opensuse.org/opensuse-updates/2013-07/msg00043.htmlRefwww.openwall.com/lists/oss-security/2013/06/05/16Refwww.securityfocus.com/bid/60352Refwww.ubuntu.com/usn/USN-1896-1Refbugzilla.redhat.com/show_bug.cgi?id=971096GitHubgithub.com/audreyt/module-signature/commit/575f7bd6ba4cc7c92f841e8758f88a131674ebf2GitHubgithub.com/audreyt/module-signature/commit/cbd06b392a73c63159dc5c20ff5b3c8fc88c4896Reflists.opensuse.org/opensuse-updates/2013-07/msg00039.htmlReflists.opensuse.org/opensuse-updates/2013-07/msg00043.html

How CyberStrike helps

Frequently asked questions

What is CVE-2013-2145?

CVE-2013-2145 is a medium-severity vulnerability affecting canonical ubuntu_linux. It was published on August 19, 2013 and has a CVSS 2.0 base score of 4.4 (MEDIUM).

How severe is CVE-2013-2145?

This vulnerability has a CVSS 2.0 base score of 4.4, rated MEDIUM. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2013-2145?

Check the references section for vendor advisories and patches from canonical. Update ubuntu_linux 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-2013-2145?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2013-2145 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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