CVE-2010-4707 (GCVE-0-2010-4707)

Vulnerability from cvelistv5 – Published: 2011-01-24 18:00 – Updated: 2024-08-07 03:55
VLAI
Summary
The check_acl function in pam_xauth.c in the pam_xauth module in Linux-PAM (aka pam) 1.1.2 and earlier does not verify that a certain ACL file is a regular file, which might allow local users to cause a denial of service (resource consumption) via a special file.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
References
URL Tags
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
http://security.gentoo.org/glsa/glsa-201206-31.xml vendor-advisoryx_refsource_GENTOO
http://openwall.com/lists/oss-security/2010/10/03/1 mailing-listx_refsource_MLIST
http://git.altlinux.org/people/ldv/packages/?p=pa… x_refsource_CONFIRM
http://www.securityfocus.com/bid/46045 vdb-entryx_refsource_BID
http://secunia.com/advisories/49711 third-party-advisoryx_refsource_SECUNIA
Date Public
2010-09-28 00:00
Show details on NVD website
To clipboard 

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                    "matchCriteriaId": "6533A629-6351-4831-BBF7-44718262FAF3",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:linux-pam:linux-pam:1.0.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "516F23F9-25B3-40DB-A3CA-2F1DE0678934",
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                  },
                  {
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                    "matchCriteriaId": "5F3ACA7F-D247-439C-8B5E-287EC5D236AF",
                    "vulnerable": true
                  },
                  {
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                    "matchCriteriaId": "6A30E5C3-501D-4DAA-B7F7-E42F98DEDBF9",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:linux-pam:linux-pam:1.0.3:*:*:*:*:*:*:*",
                    "matchCriteriaId": "AEC8C86C-9FC7-4838-BFD8-90431DEC4946",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:linux-pam:linux-pam:1.0.4:*:*:*:*:*:*:*",
                    "matchCriteriaId": "EBE3BF43-7402-4CC0-A329-C8597A0758C7",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:linux-pam:linux-pam:1.1.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "7A39C8AD-FA7C-4C64-AAB7-93CC461E73F2",
                    "vulnerable": true
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                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The check_acl function in pam_xauth.c in the pam_xauth module in Linux-PAM (aka pam) 1.1.2 and earlier does not verify that a certain ACL file is a regular file, which might allow local users to cause a denial of service (resource consumption) via a special file."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n check_acl en pam_xauth.c en el m\u00f3dulo pam_xauth en Linux-PAM (tambi\u00e9n conocido como pam) v1.1.2 y anteriores no verifica adecuadamente que un cierto archivo ACL es un archivo regular, lo que permite que usuarios locales provoquen una denegaci\u00f3n de servicio (consumo de todos los recursos) a trav\u00e9s de un archivo especial."
          }
        ],
        "id": "CVE-2010-4707",
        "lastModified": "2026-04-29T01:13:23.040",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 4.9,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "NONE",
                "vectorString": "AV:L/AC:L/Au:N/C:C/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 6.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2011-01-24T19:00:01.957",
        "references": [
          {
            "source": "cve@mitre.org",
            "url": "http://git.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=Linux-PAM-1_1_2-2-gffe7058c70253d574b1963c7c93002bd410fddc9"
          },
          {
            "source": "cve@mitre.org",
            "tags": [
              "Patch"
            ],
            "url": "http://openwall.com/lists/oss-security/2010/10/03/1"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://secunia.com/advisories/49711"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://security.gentoo.org/glsa/glsa-201206-31.xml"
          },
          {
            "source": "cve@mitre.org",
            "url": "http://www.securityfocus.com/bid/46045"
          },
          {
            "source": "cve@mitre.org",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65036"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://git.altlinux.org/people/ldv/packages/?p=pam.git%3Ba=commit%3Bh=Linux-PAM-1_1_2-2-gffe7058c70253d574b1963c7c93002bd410fddc9"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "http://openwall.com/lists/oss-security/2010/10/03/1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/49711"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://security.gentoo.org/glsa/glsa-201206-31.xml"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://www.securityfocus.com/bid/46045"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65036"
          }
        ],
        "sourceIdentifier": "cve@mitre.org",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-399"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Low",
      "current_release_date": "2025-11-21T13:00:06+00:00",
      "cve": "CVE-2010-4707",
      "id": "CVE-2010-4707",
      "initial_release_date": "2010-10-03T00:00:00+00:00",
      "product_status:fixed": "180",
      "product_status:known_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "pam: pam_xauth: Does not check if certain ACL file is a regular file",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2010/cve-2010-4707.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-05-06T01:56:31Z",
      "cve": "CVE-2010-4707",
      "id": "CVE-2010-4707",
      "initial_release_date": "2023-02-15T05:55:26Z",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2010-4707",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2010-4707.json",
      "version": "4"
    }
  }
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.