CVE-2015-3406

Publication date 23 April 2015

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

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.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libmodule-signature-perl	15.04 vivid	Fixed 0.73-1ubuntu0.15.04.1
	14.10 utopic	Fixed 0.73-1ubuntu0.14.10.1
	14.04 LTS trusty	Fixed 0.73-1ubuntu0.14.04.1
	12.04 LTS precise	Fixed 0.68-1ubuntu0.12.04.2
	10.04 LTS lucid	Ignored end of life

Notes

sbeattie

commonly used to validate CPAN signatures

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libmodule-signature-perl	Upstream: 8a91645

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	High
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

USN-2607-1
Module::Signature vulnerabilities
12 May 2015