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FKIE_CVE-2011-3200

Vulnerability from fkie_nvd - Published: 2011-09-06 16:55 - Updated: 2026-06-16 23:32
Severity
Summary
Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd in rsyslog 4.6.x before 4.6.8 and 5.2.0 through 5.8.4 might allow remote attackers to cause a denial of service (application exit) via a long TAG in a legacy syslog message.
References
secalert@redhat.comhttp://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=1ca6cc236d1dabf1633238b873fb1c057e52f95e
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2011-September/065837.html
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2011-September/065941.html
secalert@redhat.comhttp://lists.opensuse.org/opensuse-updates/2011-09/msg00013.html
secalert@redhat.comhttp://secunia.com/advisories/45922
secalert@redhat.comhttp://secunia.com/advisories/46027
secalert@redhat.comhttp://securitytracker.com/id?1026000
secalert@redhat.comhttp://www.mandriva.com/security/advisories?name=MDVSA-2011:134
secalert@redhat.comhttp://www.redhat.com/support/errata/RHSA-2011-1247.html
secalert@redhat.comhttp://www.rsyslog.com/potential-dos-with-malformed-tag/Patch, Vendor Advisory
secalert@redhat.comhttp://www.securityfocus.com/bid/49413
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=727644Patch
af854a3a-2127-422b-91ae-364da2661108http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=1ca6cc236d1dabf1633238b873fb1c057e52f95e
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065837.html
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065941.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2011-09/msg00013.html
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/45922
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/46027
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1026000
af854a3a-2127-422b-91ae-364da2661108http://www.mandriva.com/security/advisories?name=MDVSA-2011:134
af854a3a-2127-422b-91ae-364da2661108http://www.redhat.com/support/errata/RHSA-2011-1247.html
af854a3a-2127-422b-91ae-364da2661108http://www.rsyslog.com/potential-dos-with-malformed-tag/Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/49413
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=727644Patch

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          "negate": false,
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Stack-based buffer overflow in the parseLegacySyslogMsg function in tools/syslogd.c in rsyslogd in rsyslog 4.6.x before 4.6.8 and 5.2.0 through 5.8.4 might allow remote attackers to cause a denial of service (application exit) via a long TAG in a legacy syslog message."
    },
    {
      "lang": "es",
      "value": "Un desbordamiento de b\u00fafer basado en la pila en la funci\u00f3n parseLegacySyslogMsg en tools/syslogd.c en rsyslogd en rsyslog v4.6.x antes de v4.6.8 y v5.2.0 hasta la v5.8.4 podr\u00eda permitir a atacantes remotos provocar una denegaci\u00f3n de servicio (salida de la aplicaci\u00f3n) a trav\u00e9s de un TAG demasiado largo en un mensaje de syslog antiguo."
    }
  ],
  "id": "CVE-2011-3200",
  "lastModified": "2026-06-16T23:32:51.890",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "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,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2011-09-06T16:55:10.837",
  "references": [
    {
      "source": "secalert@redhat.com",
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      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2011-September/065941.html"
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      "source": "secalert@redhat.com",
      "url": "http://lists.opensuse.org/opensuse-updates/2011-09/msg00013.html"
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    {
      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/45922"
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      "source": "secalert@redhat.com",
      "url": "http://secunia.com/advisories/46027"
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      "source": "secalert@redhat.com",
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      "url": "http://lists.opensuse.org/opensuse-updates/2011-09/msg00013.html"
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://secunia.com/advisories/45922"
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      "url": "http://secunia.com/advisories/46027"
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      "url": "http://securitytracker.com/id?1026000"
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    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=727644"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Tags
Taxonomy of the tags.


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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

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.

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Detection rules are retrieved from Rulezet.

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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.


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