CVE-2008-2936 (GCVE-0-2008-2936)

Vulnerability from cvelistv5 – Published: 2008-08-18 19:00 – Updated: 2024-08-07 09:21
VLAI
Summary
Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message. NOTE: this can be leveraged to gain privileges if there is a symlink to an init script.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
redhat CNA under the redhat root
CNA scorecard B 82/100 over 1082 records in the last 180 days details
References
URL Tags
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
ftp://ftp.porcupine.org/mirrors/postfix-release/o… x_refsource_CONFIRM
http://secunia.com/advisories/32231 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/31469 third-party-advisoryx_refsource_SECUNIA
ftp://ftp.porcupine.org/mirrors/postfix-release/o… x_refsource_CONFIRM
http://www.debian.org/security/2008/dsa-1629 vendor-advisoryx_refsource_DEBIAN
http://secunia.com/advisories/31530 third-party-advisoryx_refsource_SECUNIA
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
https://issues.rpath.com/browse/RPL-2689 x_refsource_CONFIRM
http://www.securitytracker.com/id?1020700 vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/archive/1/495632/100… mailing-listx_refsource_BUGTRAQ
http://www.kb.cert.org/vuls/id/938323 third-party-advisoryx_refsource_CERT-VN
http://article.gmane.org/gmane.mail.postfix.annou… mailing-listx_refsource_MLIST
http://securityreason.com/securityalert/4160 third-party-advisoryx_refsource_SREASON
http://www.securityfocus.com/bid/30691 vdb-entryx_refsource_BID
http://wiki.rpath.com/Advisories:rPSA-2008-0259 x_refsource_CONFIRM
http://lists.opensuse.org/opensuse-security-annou… vendor-advisoryx_refsource_SUSE
http://secunia.com/advisories/31474 third-party-advisoryx_refsource_SECUNIA
http://www.securityfocus.com/archive/1/495882/100… mailing-listx_refsource_BUGTRAQ
https://exchange.xforce.ibmcloud.com/vulnerabilit… vdb-entryx_refsource_XF
ftp://ftp.porcupine.org/mirrors/postfix-release/o… x_refsource_CONFIRM
https://www.exploit-db.com/exploits/6337 exploitx_refsource_EXPLOIT-DB
http://www.redhat.com/support/errata/RHSA-2008-08… vendor-advisoryx_refsource_REDHAT
ftp://ftp.porcupine.org/mirrors/postfix-release/e… x_refsource_CONFIRM
http://secunia.com/advisories/31500 third-party-advisoryx_refsource_SECUNIA
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://secunia.com/advisories/31477 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/31485 third-party-advisoryx_refsource_SECUNIA
https://usn.ubuntu.com/636-1/ vendor-advisoryx_refsource_UBUNTU
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.securityfocus.com/archive/1/495474/100… mailing-listx_refsource_BUGTRAQ
http://www.vupen.com/english/advisories/2008/2385 vdb-entryx_refsource_VUPEN
http://security.gentoo.org/glsa/glsa-200808-12.xml vendor-advisoryx_refsource_GENTOO
Date Public
2008-08-14 00:00
Show details on NVD website
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                    "matchCriteriaId": "A814997B-A612-493F-AA85-BA5A187A91FA",
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                    "criteria": "cpe:2.3:a:postfix:postfix:2.3.5:*:*:*:*:*:*:*",
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                  {
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                  {
                    "criteria": "cpe:2.3:a:postfix:postfix:2.3.8:*:*:*:*:*:*:*",
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                    "matchCriteriaId": "DEBD42EA-B31E-4E37-BF28-FEBB18369A18",
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                  {
                    "criteria": "cpe:2.3:a:postfix:postfix:2.3.10:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B92BCC42-6E9F-44CB-A755-004B6DBD9D41",
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                    "criteria": "cpe:2.3:a:postfix:postfix:2.3.11:*:*:*:*:*:*:*",
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                  {
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                  {
                    "criteria": "cpe:2.3:a:postfix:postfix:2.5.2:*:*:*:*:*:*:*",
                    "matchCriteriaId": "A1DE90BD-B5F9-4762-B086-130AB04F3CB0",
                    "vulnerable": true
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                  {
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                    "matchCriteriaId": "CCD5258B-C9DE-47BD-9172-27618F220201",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:postfix:postfix:2.6.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "E5B3F710-13EF-4A36-B191-E0FCC1D98E23",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "Postfix before 2.3.15, 2.4 before 2.4.8, 2.5 before 2.5.4, and 2.6 before 2.6-20080814, when the operating system supports hard links to symlinks, allows local users to append e-mail messages to a file to which a root-owned symlink points, by creating a hard link to this symlink and then sending a message.  NOTE: this can be leveraged to gain privileges if there is a symlink to an init script."
          },
          {
            "lang": "es",
            "value": "Postfix antes de 2.3.15, 2.4 anterior a 2.4.8, 2.5 anterior a 2.5.4 y 2.6 antes de 2.6-20080814, cuando el sistema operativo admite enlaces duros (hard links) a enlaces simb\u00f3licos, permite a usuarios locales a\u00f1adir mensajes de correo a un archivo al que apunta un enlace simb\u00f3lico propiedad de root, creando un enlace duro a este enlace simb\u00f3lico y enviando un mensaje despu\u00e9s. NOTA: esto puede ser utilizado para obtener privilegios si hay un enlace simb\u00f3lico a un script init."
          }
        ],
        "evaluatorComment": "Please refer to the following links for additional version information (vendor release notes):\r\n\r\n\r\nPostfix 2.3 - ftp://mirrors.loonybin.net/pub/postfix/official/postfix-2.3.15.RELEASE_NOTES\r\n\r\nPostfix 2.4 - ftp://mirrors.loonybin.net/pub/postfix/official/postfix-2.4.8.RELEASE_NOTES\r\n\r\nPostfix 2.5 - ftp://mirrors.loonybin.net/pub/postfix/official/postfix-2.5.4.RELEASE_NOTES\r\n\r\nPostfix 2.6 - ftp://mirrors.loonybin.net/pub/postfix/experimental/postfix-2.6-20080814.RELEASE_NOTES",
        "id": "CVE-2008-2936",
        "lastModified": "2026-04-23T00:35:47.467",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "HIGH",
                "accessVector": "LOCAL",
                "authentication": "NONE",
                "availabilityImpact": "COMPLETE",
                "baseScore": 6.2,
                "confidentialityImpact": "COMPLETE",
                "integrityImpact": "COMPLETE",
                "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C",
                "version": "2.0"
              },
              "exploitabilityScore": 1.9,
              "impactScore": 10.0,
              "obtainAllPrivilege": true,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2008-08-18T19:41:00.000",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "ftp://ftp.porcupine.org/mirrors/postfix-release/experimental/postfix-2.6-20080814.HISTORY"
          },
          {
            "source": "secalert@redhat.com",
            "url": "ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.3.15.HISTORY"
          },
          {
            "source": "secalert@redhat.com",
            "url": "ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.4.8.HISTORY"
          },
          {
            "source": "secalert@redhat.com",
            "url": "ftp://ftp.porcupine.org/mirrors/postfix-release/official/postfix-2.5.4.HISTORY"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://article.gmane.org/gmane.mail.postfix.announce/110"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00002.html"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/31469"
          },
          {
            "source": "secalert@redhat.com",
            "url": "http://secunia.com/advisories/31474"
          },
          {
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            "url": "http://secunia.com/advisories/31477"
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          {
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            "tags": [
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            ],
            "url": "http://secunia.com/advisories/31485"
          },
          {
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            "url": "http://secunia.com/advisories/31500"
          },
          {
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            "url": "http://security.gentoo.org/glsa/glsa-200808-12.xml"
          },
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            "url": "http://securityreason.com/securityalert/4160"
          },
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            "url": "http://www.debian.org/security/2008/dsa-1629"
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            "url": "https://usn.ubuntu.com/636-1/"
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          {
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            "url": "https://www.exploit-db.com/exploits/6337"
          },
          {
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            "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00271.html"
          },
          {
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
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          {
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          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://lists.opensuse.org/opensuse-security-announce/2008-08/msg00002.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/31469"
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            "url": "http://secunia.com/advisories/31474"
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          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://secunia.com/advisories/31477"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
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            "url": "http://secunia.com/advisories/31485"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
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          },
          {
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            "url": "https://usn.ubuntu.com/636-1/"
          },
          {
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            "url": "https://www.exploit-db.com/exploits/6337"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00271.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00287.html"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-264"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2025-11-21T13:15:11+00:00",
      "cve": "CVE-2008-2936",
      "id": "CVE-2008-2936",
      "initial_release_date": "2008-08-14T00:00:00+00:00",
      "product_status:fixed": "160",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "postfix privilege escalation flaw",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2008/cve-2008-2936.json",
      "version": "3"
    }
  }
}



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