CVE-2009-0887

Published Mar 12, 2009

Last updated a year ago

Overview

Description: Integer signedness error in the _pam_StrTok function in libpam/pam_misc.c in Linux-PAM (aka pam) 1.0.3 and earlier, when a configuration file contains non-ASCII usernames, might allow remote attackers to cause a denial of service, and might allow remote authenticated users to obtain login access with a different user's non-ASCII username, via a login attempt.
Source: cve@mitre.org
NVD status: Modified

Hype score: Not currently trending

Risk scores

CVSS 2.0

Type: Primary
Base score: 6.6
Impact score: 10
Exploitability score: 2.7
Vector string: AV:L/AC:M/Au:S/C:C/I:C/A:C

Weaknesses

nvd@nist.gov: CWE-189

Vendor comments

Red HatRed Hat is aware of this issue and is tracking it via the following bug: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=CVE-2009-0887 The Red Hat Security Response Team has rated this issue as having low security impact, a future update may address this flaw. More information regarding issue severity can be found here: http://www.redhat.com/security/updates/classification/

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "5C8DB56B-870D-45E3-8216-ADB47FD07B2D",
            "versionEndIncluding": "1.0.3"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.1.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "B59C70C7-FABE-4A45-A45D-2C7276D698DF"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.2.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "DBA50D8F-D5A8-4123-93CF-E7714571F411"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.2.1:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "DB8820C0-1ECB-45AD-A573-5667F0D09776"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.3.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "5D416053-0010-4B25-9F7C-6054C51C1685"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.4.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "B97AB578-0E9E-4370-8379-0CD455F2D740"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.5.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "22A6147C-CC0A-4C9F-B9A9-E144F2133592"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.6.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "6DEF8EC8-0E0A-4C0A-95BE-FB7C23732083"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.6.1:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "C9A9AB1C-FDF8-4E98-8773-387E03CD93E1"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.6.2:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "8F94AA92-5854-46B9-8B3C-08FCC5B071CF"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.6.3:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "FD5C0039-827C-45CD-99BE-95459006CA59"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.7.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "F4256C34-DBCA-4FE0-96A5-874D7F00869A"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.7.1:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "1B2613D2-33C1-4132-AD9A-68190A59C0F4"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.8.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "08FDE78F-119B-4FC8-BBFA-8048F2CF1227"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.8.1:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "C4A75789-F7EC-4D9C-942A-243DF92E5CA5"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.9.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "3753027E-D3A4-45D4-A3A3-2320C48AF6C6"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:0.99.10.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "6533A629-6351-4831-BBF7-44718262FAF3"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:1.0.0:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "516F23F9-25B3-40DB-A3CA-2F1DE0678934"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:1.0.1:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "5F3ACA7F-D247-439C-8B5E-287EC5D236AF"
          },
          {
            "criteria": "cpe:2.3:a:linux-pam:linux-pam:1.0.2:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "6A30E5C3-501D-4DAA-B7F7-E42F98DEDBF9"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

Overview

Social media

Risk scores

CVSS 2.0

Weaknesses

Vendor comments

Configurations

References