CVE-2013-2145
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…
Does this matter?
Lower severity and a low EPSS score (0.55%). Track it; it rarely justifies an emergency change on its own.
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/.
- CVSS 2.0
- 4.4 MEDIUMAV:L/AC:M/Au:N/C:P/I:P/A:P
- EPSS
- 0.55% probability · 46th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- canonical/ubuntu linux · opensuse/opensuse · perlmonks/module\
- Source
- secalert@redhat.com
EPSS 0.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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/575f7bd6ba4cc7c92f841e8758f88a131674ebf2Exploit, Patch
- https://github.com/audreyt/module-signature/commit/cbd06b392a73c63159dc5c20ff5b3c8fc88c4896Exploit, Patch
- 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/575f7bd6ba4cc7c92f841e8758f88a131674ebf2Exploit, Patch
- https://github.com/audreyt/module-signature/commit/cbd06b392a73c63159dc5c20ff5b3c8fc88c4896Exploit, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.