CPAN.pm up to 2.34 TLS Certificate certificate validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in CPAN.pm up to 2.34. It has been rated as critical. Affected by this issue is some unknown functionality of the component TLS Certificate Handler. Performing a manipulation results in certificate validation. This vulnerability is known as CVE-2023-31484. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.
Details
A vulnerability classified as critical has been found in CPAN.pm up to 2.34. This affects an unknown function of the component TLS Certificate Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.
The weakness was published 04/29/2023. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-31484 since 04/28/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1587.003 for this issue.
The vulnerability scanner Nessus provides a plugin with the ID 209443 (Debian dla-3926 : libperl-dev - security update), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 2.35 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the databases at Tenable (209443) and EUVD (EUVD-2023-35789). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Name
Version
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
- 2.7
- 2.8
- 2.9
- 2.10
- 2.11
- 2.12
- 2.13
- 2.14
- 2.15
- 2.16
- 2.17
- 2.18
- 2.19
- 2.20
- 2.21
- 2.22
- 2.23
- 2.24
- 2.25
- 2.26
- 2.27
- 2.28
- 2.29
- 2.30
- 2.31
- 2.32
- 2.33
- 2.34
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.3VulDB Meta Temp Score: 7.2
VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.1
NVD Vector: 🔍
CNA Base Score: 8.1
CNA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Certificate validationCWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 209443
Nessus Name: Debian dla-3926 : libperl-dev - security update
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: CPAN.pm 2.35
Patch: github.com
Timeline
04/28/2023 🔍04/29/2023 🔍
04/29/2023 🔍
12/26/2025 🔍
Sources
Advisory: github.comStatus: Confirmed
CVE: CVE-2023-31484 (🔍)
GCVE (CVE): GCVE-0-2023-31484
GCVE (VulDB): GCVE-100-227745
EUVD: 🔍
Entry
Created: 04/29/2023 08:36Updated: 12/26/2025 03:11
Changes: 04/29/2023 08:36 (40), 05/24/2023 09:45 (11), 08/01/2024 20:14 (25), 10/23/2024 21:23 (3), 12/26/2025 03:11 (1)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
No comments yet. Languages: en.
Please log in to comment.