CVE-2002-0820

Published Aug 12, 2002

Last updated 8 years ago

Overview

Description: FreeBSD kernel 4.6 and earlier closes the file descriptors 0, 1, and 2 after they have already been assigned to /dev/null when the descriptors reference procfs or linprocfs, which could allow local users to reuse the file descriptors in a setuid or setgid program to modify critical data and gain privileges.
Source: cve@mitre.org
NVD status: Modified

Risk scores

CVSS 2.0

Type: Primary
Base score: 7.2
Impact score: 10
Exploitability score: 3.9
Vector string: AV:L/AC:L/Au:N/C:C/I:C/A:C

Weaknesses

nvd@nist.gov: NVD-CWE-Other

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:o:freebsd:freebsd:4.6:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "9C001822-FDF8-497C-AC2C-B59A00E9ACD2"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References