What’s Vulnerable › Vulnerabilities

CVE-2015-3406

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-11-29 · updated 2026-06-17
• Weakness: CWE-681

Description

The PGP signature parsing in Module::Signature before 0.74 allows remote attackers to cause the unsigned portion of a SIGNATURE file to be treated as the signed portion via unspecified vectors.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 14.10, 15.04
• Module-Signature Project Module-Signature: before 0.74 — fixed in 0.74

How to fix

Upgrade to a fixed version: Module-Signature Project Module-Signature 0.74. Check the vendor advisory for mitigations.

References

• http://ubuntu.com/usn/usn-2607-1
• http://www.openwall.com/lists/oss-security/2015/04/07/1
• http://www.openwall.com/lists/oss-security/2015/04/23/17
• https://github.com/audreyt/module-signature/commit/8a9164596fa5952d4fbcde5aa1c7d1c7bc85372f
• https://metacpan.org/changes/distribution/Module-Signature
• http://ubuntu.com/usn/usn-2607-1
• http://www.openwall.com/lists/oss-security/2015/04/07/1
• http://www.openwall.com/lists/oss-security/2015/04/23/17
• https://github.com/audreyt/module-signature/commit/8a9164596fa5952d4fbcde5aa1c7d1c7bc85372f
• https://metacpan.org/changes/distribution/Module-Signature

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