The cpansign verify functionality in the Module::Signature module before 0.72 for Perl…
Priority LOW 21CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
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/.
Why it matters now
EPSS 0.00553 46th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 9
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* | 12.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:* | 13.04 | Vulnerable | Canonical |
| cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* | 11.4 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* | 12.2 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* | 12.3 | Vulnerable | openSUSE |
| cpe:2.3:a:perlmonks:module\:\:signature:*:*:*:*:*:perl:*:* | signature | Vulnerable | Perlmonks |
| cpe:2.3:a:perlmonks:module\:\:signature:0.70:*:*:*:*:perl:*:* | signature | Vulnerable | Perlmonks |
| cpe:2.3:a:perlmonks:module\:\:signature:0.71:*:*:*:*:perl:*:* | signature | Vulnerable | Perlmonks |
- cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:13.04:*:*:*:*:*:*:* Versions 13.04 Vulnerable ·Canonical
- cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* Versions 12.2 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* Versions 12.3 Vulnerable ·openSUSE
- cpe:2.3:a:perlmonks:module\:\:signature:*:*:*:*:*:perl:*:* Versions signature Vulnerable ·Perlmonks
- cpe:2.3:a:perlmonks:module\:\:signature:0.70:*:*:*:*:perl:*:* Versions signature Vulnerable ·Perlmonks
- cpe:2.3:a:perlmonks:module\:\:signature:0.71:*:*:*:*:perl:*:* Versions signature Vulnerable ·Perlmonks
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2013-2145
- 2026-10-03 Alias added: GHSA-99g4-3v63-xpqx
References
Exploit 2
Sources
- CVE-2013-2145 · CVE Program
- CVE-2013-2145 · NVD
- FIRST EPSS
- GHSA-99g4-3v63-xpqx · GitHub Advisory Database · CC BY 4.0
- CVE-2013-2145 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences