Vulnerability CVE-2013-2145
Published: 2013-08-19   Modified: 2013-08-20

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/.

See advisories in our WLB2 database:
Topic
Author
Date
High
perl Module::Signature code execution vulnerability
Florian Weimer
05.06.2013

Type:

CWE-20

 (Improper Input Validation)

CVSS2 => (AV:L/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.4/10
6.4/10
3.4/10
Exploit range
Attack complexity
Authentication
Local
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Perlmonks -> Module 
Opensuse -> Opensuse 
Novell -> Opensuse 
Canonical -> Ubuntu linux 

 References:
http://lists.opensuse.org/opensuse-updates/2013-07/msg00039.html
http://lists.opensuse.org/opensuse-updates/2013-07/msg00043.html
http://www.openwall.com/lists/oss-security/2013/06/05/16
http://www.securityfocus.com/bid/60352
http://www.ubuntu.com/usn/USN-1896-1
https://bugzilla.redhat.com/show_bug.cgi?id=971096
https://github.com/audreyt/module-signature/commit/575f7bd6ba4cc7c92f841e8758f88a131674ebf2
https://github.com/audreyt/module-signature/commit/cbd06b392a73c63159dc5c20ff5b3c8fc88c4896
Copyright 2024, cxsecurity.com

 

Back to Top