CVE-2023-31484
Published: October 18, 2023Last modified: July 22, 2025
Description
CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.1 |
| Attack Vector | NETWORK |
| Attack complexity | HIGH |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | 23 LTS | perl | Fixed (5.36.0-r2) |
| Stream | perl | Fixed (5.38.0-r0) | |
| Hardened Containers | 23 LTS | perl | Fixed (5.36.0-r2) |
| Stream | perl | Fixed (5.38.0-r0) |
References
- http://www.openwall.com/lists/oss-security/2023/04/29/1
- http://www.openwall.com/lists/oss-security/2023/05/03/3
- http://www.openwall.com/lists/oss-security/2023/05/03/5
- http://www.openwall.com/lists/oss-security/2023/05/07/2
- https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
- https://github.com/andk/cpanpm/pull/175
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BM6UW55CNFUTNGD5ZRKGUKKKFDJGMFHL/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LEGCEOKFJVBJ2QQ6S2H4NAEWTUERC7SB/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/BM6UW55CNFUTNGD5ZRKGUKKKFDJGMFHL/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/LEGCEOKFJVBJ2QQ6S2H4NAEWTUERC7SB/
- https://metacpan.org/dist/CPAN/changes
- https://security.netapp.com/advisory/ntap-20240621-0007/
- https://www.openwall.com/lists/oss-security/2023/04/18/14