GSD-2009-0845

Vulnerability from gsd - Updated: 2023-12-13 01:19
Details
The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token.
Aliases
Aliases
CVE-2009-0845
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{
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    "description": "The spnego_gss_accept_sec_context function in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3, when SPNEGO is used, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via invalid ContextFlags data in the reqFlags field in a negTokenInit token.",
    "id": "GSD-2009-0845",
    "references": [
      "https://www.suse.com/security/cve/CVE-2009-0845.html",
      "https://www.debian.org/security/2009/dsa-1766",
      "https://access.redhat.com/errata/RHSA-2009:0408",
      "https://linux.oracle.com/cve/CVE-2009-0845.html"
    ]
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  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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      "id": "GSD-2009-0845",
      "modified": "2023-12-13T01:19:44.308486Z",
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            {
              "name": "http://www-01.ibm.com/support/docview.wss?uid=swg21396120",
              "refsource": "CONFIRM",
              "tags": [],
              "url": "http://www-01.ibm.com/support/docview.wss?uid=swg21396120"
            },
            {
              "name": "ADV-2009-2248",
              "refsource": "VUPEN",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "http://www.vupen.com/english/advisories/2009/2248"
            },
            {
              "name": "kerberos-spnego-dos(49448)",
              "refsource": "XF",
              "tags": [],
              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/49448"
            },
            {
              "name": "oval:org.mitre.oval:def:6449",
              "refsource": "OVAL",
              "tags": [],
              "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6449"
            },
            {
              "name": "oval:org.mitre.oval:def:10044",
              "refsource": "OVAL",
              "tags": [],
              "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10044"
            },
            {
              "name": "20090407 rPSA-2009-0058-1 krb5 krb5-server krb5-services krb5-test krb5-workstation",
              "refsource": "BUGTRAQ",
              "tags": [],
              "url": "http://www.securityfocus.com/archive/1/502546/100/0/threaded"
            },
            {
              "name": "20090407 MITKRB5-SA-2009-001: multiple vulnerabilities in SPNEGO, ASN.1 decoder [CVE-2009-0844 CVE-2009-0845 CVE-2009-0847]",
              "refsource": "BUGTRAQ",
              "tags": [],
              "url": "http://www.securityfocus.com/archive/1/502526/100/0/threaded"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2020-01-21T15:45Z",
      "publishedDate": "2009-03-27T16:30Z"
    }
  }
}



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Tags
Taxonomy of the tags.





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

Author Source Type Date Other

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.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • 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.


Detection rules are retrieved from Rulezet.


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.