GLSA-201310-01 : Perl Module-Signature module: Arbitrary code execution

This script is Copyright (C) 2013-2015 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-201310-01
(Perl Module-Signature module: Arbitrary code execution)

The &lsquo
cpansign verify&rsquo
command will automatically download keys and
use them to check the signature of CPAN packages via the SIGNATURE file.
If an attacker were to replace this (SHA1) with a special unknown cipher
(e.g. &lsquo
) and were to include in the distribution a
, the code in this Perl module would be executed
when &lsquo
cpansign -verify&rsquo
is run.

Impact :

A remote attacker could possibly execute arbitrary code with the
privileges of the process.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All users of the Module-Signature Perl module should upgrade to the
latest version:
# emerge --sync
# emerge --ask --oneshot --verbose

Risk factor :

Medium / CVSS Base Score : 4.4
CVSS Temporal Score : 3.8
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 70307 ()

Bugtraq ID: 60352

CVE ID: CVE-2013-2145

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