CVE-2023-31484

HIGH EPSS 72.1%
Published Apr 29, 20233y ago · Modified Jun 17, 20262w ago
8.1 CVSS 3.1
High
Find Similar
Published Apr 29, 2023 3y ago
Last Modified Jun 17, 2026 2w ago

Description

CPAN.pm before 2.35 does not verify TLS certificates when downloading distributions over HTTPS.

CVSS Details

Base Score
8.1
Exploitability
2.2
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
72.1% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-295

Affected Products 2

VendorProductVersionRange
cpanpm_projectcpanpm* <2.35
perlperl* <5.38.0

References 12

  • openwall.com http://www.openwall.com/lists/oss-security/2023/04/29/1
    Mailing ListPatch
  • openwall.com http://www.openwall.com/lists/oss-security/2023/05/03/3
    Mailing ListPatch
  • openwall.com http://www.openwall.com/lists/oss-security/2023/05/03/5
    Mailing List
  • openwall.com http://www.openwall.com/lists/oss-security/2023/05/07/2
    Mailing List
  • blog.hackeriet.no https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
    MitigationPatchThird Party Advisory
  • github.com https://github.com/andk/cpanpm/pull/175
    ExploitIssue Tracking
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2024/10/msg00017.html
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BM6UW55CNFUTNGD5ZRKGUKKKFDJGMFHL/
  • lists.fedoraproject.org https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LEGCEOKFJVBJ2QQ6S2H4NAEWTUERC7SB/
  • metacpan.org https://metacpan.org/dist/CPAN/changes
    Release Notes
  • security.netapp.com https://security.netapp.com/advisory/ntap-20240621-0007/
  • openwall.com https://www.openwall.com/lists/oss-security/2023/04/18/14
    Mailing ListPatch

Remediation

  • openwall.com http://www.openwall.com/lists/oss-security/2023/04/29/1
    Mailing ListPatch
  • openwall.com http://www.openwall.com/lists/oss-security/2023/05/03/3
    Mailing ListPatch
  • blog.hackeriet.no https://blog.hackeriet.no/perl-http-tiny-insecure-tls-default-affects-cpan-modules/
    MitigationPatchThird Party Advisory
  • openwall.com https://www.openwall.com/lists/oss-security/2023/04/18/14
    Mailing ListPatch