CVE-2009-0847 (GCVE-0-2009-0847)

Vulnerability from cvelistv5 – Published: 2009-04-09 00:00 – Updated: 2024-08-07 04:48
VLAI
Summary
The asn1buf_imbed function in the ASN.1 decoder in MIT Kerberos 5 (aka krb5) 1.6.3, when PK-INIT is used, allows remote attackers to cause a denial of service (application crash) via a crafted length value that triggers an erroneous malloc call, related to incorrect calculations with pointer arithmetic.
Severity
No CVSS data available.
CWE
  • n/a
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2319 records in the last 180 days details
References
URL Tags
http://support.novell.com/docs/Readmes/InfoDocume… x_refsource_MISC
http://www.mandriva.com/security/advisories?name=… vendor-advisoryx_refsource_MANDRIVA
http://www.securityfocus.com/archive/1/502526/100… mailing-listx_refsource_BUGTRAQ
http://www.kb.cert.org/vuls/id/662091 third-party-advisoryx_refsource_CERT-VN
http://www.vupen.com/english/advisories/2009/0960 vdb-entryx_refsource_VUPEN
http://support.apple.com/kb/HT3549 x_refsource_CONFIRM
http://support.avaya.com/elmodocs2/security/ASA-2… x_refsource_CONFIRM
https://oval.cisecurity.org/repository/search/def… vdb-entrysignaturex_refsource_OVAL
http://secunia.com/advisories/34637 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2009/2084 vdb-entryx_refsource_VUPEN
http://www.securityfocus.com/bid/34408 vdb-entryx_refsource_BID
http://secunia.com/advisories/34640 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/35074 third-party-advisoryx_refsource_SECUNIA
http://www.securitytracker.com/id?1021993 vdb-entryx_refsource_SECTRACK
http://sunsolve.sun.com/search/document.do?assetk… vendor-advisoryx_refsource_SUNALERT
http://security.gentoo.org/glsa/glsa-200904-09.xml vendor-advisoryx_refsource_GENTOO
http://support.novell.com/docs/Readmes/InfoDocume… x_refsource_MISC
http://www.vupen.com/english/advisories/2009/0976 vdb-entryx_refsource_VUPEN
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
http://www.ubuntu.com/usn/usn-755-1 vendor-advisoryx_refsource_UBUNTU
http://www-01.ibm.com/support/docview.wss?uid=swg… x_refsource_CONFIRM
http://www.vupen.com/english/advisories/2009/1057 vdb-entryx_refsource_VUPEN
http://web.mit.edu/kerberos/advisories/MITKRB5-SA… x_refsource_CONFIRM
http://secunia.com/advisories/34617 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/34628 third-party-advisoryx_refsource_SECUNIA
http://secunia.com/advisories/34734 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2009/2248 vdb-entryx_refsource_VUPEN
http://www.us-cert.gov/cas/techalerts/TA09-133A.html third-party-advisoryx_refsource_CERT
http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0058 x_refsource_MISC
http://www.vupen.com/english/advisories/2009/1297 vdb-entryx_refsource_VUPEN
http://secunia.com/advisories/34622 third-party-advisoryx_refsource_SECUNIA
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
https://www.redhat.com/archives/fedora-package-an… vendor-advisoryx_refsource_FEDORA
http://wiki.rpath.com/Advisories:rPSA-2009-0058 x_refsource_CONFIRM
http://www.securityfocus.com/archive/1/502546/100… mailing-listx_refsource_BUGTRAQ
http://secunia.com/advisories/34594 third-party-advisoryx_refsource_SECUNIA
http://www.vupen.com/english/advisories/2009/1106 vdb-entryx_refsource_VUPEN
http://marc.info/?l=bugtraq&m=124896429301168&w=2 vendor-advisoryx_refsource_HP
Date Public
2009-04-07 00:00
Show details on NVD website
To clipboard 

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          },
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        ],
        "id": "CVE-2009-0847",
        "lastModified": "2026-04-23T00:35:47.467",
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              "obtainUserPrivilege": false,
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        ],
        "sourceIdentifier": "cve@mitre.org",
        "vendorComments": [
          {
            "comment": "Not vulnerable. This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.",
            "lastModified": "2009-04-09T00:00:00",
            "organization": "Red Hat"
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            "source": "nvd@nist.gov",
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    },
    "redhat_vex": {
      "current_release_date": "2026-06-27T17:14:14+00:00",
      "cve": "CVE-2009-0847",
      "id": "CVE-2009-0847",
      "initial_release_date": "2009-04-07T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "krb5: incorrect length check inside ASN.1 decoder (MITKRB5-SA-2009-001)",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2009/cve-2009-0847.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "important",
      "current_release_date": "2026-10-22T00:23:57Z",
      "cve": "CVE-2009-0847",
      "id": "CVE-2009-0847",
      "initial_release_date": "2023-02-15T06:04:49Z",
      "product_status:recommended": "289",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2009-0847",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/2023/cve-2009-0847.json",
      "version": "21"
    }
  }
}



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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.
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  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

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