CVE-2023-24056

Published Jan 22, 2023

Last updated 2 years ago

Overview

Description: In pkgconf through 1.9.3, variable duplication can cause unbounded string expansion due to incorrect checks in libpkgconf/tuple.c:pkgconf_tuple_parse. For example, a .pc file containing a few hundred bytes can expand to one billion bytes.
Source: cve@mitre.org
NVD status: Analyzed

Hype score: Not currently trending

Risk scores

CVSS 3.1

Type: Primary
Base score: 5.5
Impact score: 3.6
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Severity: MEDIUM

Weaknesses

nvd@nist.gov: NVD-CWE-Other

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:pkgconf:pkgconf:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "1C4610C3-CF01-473F-9ED6-BE94F0DC71D5",
            "versionEndIncluding": "1.9.3"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References