FKIE_CVE-2011-4623

Vulnerability from fkie_nvd - Published: 2012-09-25 23:55 - Updated: 2025-04-11 00:51
Severity ?
Summary
Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow.
References
secalert@redhat.comhttp://bugzilla.adiscon.com/show_bug.cgi?id=221
secalert@redhat.comhttp://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101
secalert@redhat.comhttp://rsyslog.com/changelog-for-4-6-6-v4-stable/
secalert@redhat.comhttp://rsyslog.com/changelog-for-5-7-4-v5-beta/
secalert@redhat.comhttp://rsyslog.com/changelog-for-6-1-4-devel/
secalert@redhat.comhttp://secunia.com/advisories/45848Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/47698Vendor Advisory
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/12/22/2
secalert@redhat.comhttp://www.securityfocus.com/bid/51171
secalert@redhat.comhttp://www.securitytracker.com/id?1026556
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-1338-1Patch, Vendor Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=769822
af854a3a-2127-422b-91ae-364da2661108http://bugzilla.adiscon.com/show_bug.cgi?id=221
af854a3a-2127-422b-91ae-364da2661108http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101
af854a3a-2127-422b-91ae-364da2661108http://rsyslog.com/changelog-for-4-6-6-v4-stable/
af854a3a-2127-422b-91ae-364da2661108http://rsyslog.com/changelog-for-5-7-4-v5-beta/
af854a3a-2127-422b-91ae-364da2661108http://rsyslog.com/changelog-for-6-1-4-devel/
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/45848Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/47698Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/12/22/2
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/51171
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id?1026556
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-1338-1Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=769822
Impacted products
Vendor Product Version
rsyslog rsyslog 4.1.0
rsyslog rsyslog 4.1.1
rsyslog rsyslog 4.1.2
rsyslog rsyslog 4.1.3
rsyslog rsyslog 4.1.4
rsyslog rsyslog 4.1.5
rsyslog rsyslog 4.1.6
rsyslog rsyslog 4.1.7
rsyslog rsyslog 4.2.0
rsyslog rsyslog 4.3.0
rsyslog rsyslog 4.3.1
rsyslog rsyslog 4.3.2
rsyslog rsyslog 4.4.0
rsyslog rsyslog 4.4.1
rsyslog rsyslog 4.4.2
rsyslog rsyslog 4.5.0
rsyslog rsyslog 4.5.1
rsyslog rsyslog 4.5.2
rsyslog rsyslog 4.5.3
rsyslog rsyslog 4.5.4
rsyslog rsyslog 4.5.5
rsyslog rsyslog 4.5.6
rsyslog rsyslog 4.5.7
rsyslog rsyslog 4.5.8
rsyslog rsyslog 4.6.0
rsyslog rsyslog 4.6.1
rsyslog rsyslog 4.6.2
rsyslog rsyslog 4.6.3
rsyslog rsyslog 4.6.4
rsyslog rsyslog 4.6.5
rsyslog rsyslog 5.1.0
rsyslog rsyslog 5.1.1
rsyslog rsyslog 5.1.2
rsyslog rsyslog 5.1.3
rsyslog rsyslog 5.1.4
rsyslog rsyslog 5.1.5
rsyslog rsyslog 5.1.6
rsyslog rsyslog 5.2.0
rsyslog rsyslog 5.2.1
rsyslog rsyslog 5.2.2
rsyslog rsyslog 5.3.1
rsyslog rsyslog 5.3.2
rsyslog rsyslog 5.3.3
rsyslog rsyslog 5.3.4
rsyslog rsyslog 5.3.5
rsyslog rsyslog 5.3.6
rsyslog rsyslog 5.3.7
rsyslog rsyslog 5.4.0
rsyslog rsyslog 5.4.1
rsyslog rsyslog 5.4.2
rsyslog rsyslog 5.5.0
rsyslog rsyslog 5.5.1
rsyslog rsyslog 5.5.2
rsyslog rsyslog 5.5.3
rsyslog rsyslog 5.5.4
rsyslog rsyslog 5.5.5
rsyslog rsyslog 5.5.6
rsyslog rsyslog 5.5.7
rsyslog rsyslog 5.6.0
rsyslog rsyslog 5.6.1
rsyslog rsyslog 5.6.2
rsyslog rsyslog 5.6.3
rsyslog rsyslog 5.6.4
rsyslog rsyslog 5.6.5
rsyslog rsyslog 5.7.0
rsyslog rsyslog 5.7.1
rsyslog rsyslog 5.7.2
rsyslog rsyslog 5.7.3
rsyslog rsyslog 6.1.0
rsyslog rsyslog 6.1.1
rsyslog rsyslog 6.1.2
rsyslog rsyslog 6.1.3
To clipboard 

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              "vulnerable": true
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      ]
    },
    {
      "nodes": [
        {
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Integer overflow in the rsCStrExtendBuf function in runtime/stringbuf.c in the imfile module in rsyslog 4.x before 4.6.6, 5.x before 5.7.4, and 6.x before 6.1.4 allows local users to cause a denial of service (daemon hang) via a large file, which triggers a heap-based buffer overflow."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de entero en la funci\u00f3n rsCStrExtendBuf en runtime/stringbuf.c en el m\u00f3dulo imfile en rsyslog v4.x anteriores v4.6.6, v5.x anteriores a v5.7.4, y v6.x anteriores a v6.1.4, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (cuelgue del demonio) a trav\u00e9s de un fichero grande, que provoca un desbordamiento de b\u00fafer basado en memoria din\u00e1mica."
    }
  ],
  "id": "CVE-2011-4623",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 2.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-09-25T23:55:01.033",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://bugzilla.adiscon.com/show_bug.cgi?id=221"
    },
    {
      "source": "secalert@redhat.com",
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    {
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      "url": "http://rsyslog.com/changelog-for-6-1-4-devel/"
    },
    {
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      "tags": [
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      ],
      "url": "http://secunia.com/advisories/45848"
    },
    {
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      "tags": [
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      "url": "http://secunia.com/advisories/47698"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.openwall.com/lists/oss-security/2011/12/22/2"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.securityfocus.com/bid/51171"
    },
    {
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      "url": "http://www.securitytracker.com/id?1026556"
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      "url": "http://www.ubuntu.com/usn/USN-1338-1"
    },
    {
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=769822"
    },
    {
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      "url": "http://bugzilla.adiscon.com/show_bug.cgi?id=221"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://git.adiscon.com/?p=rsyslog.git%3Ba=commit%3Bh=6bad782f154b7f838c7371bf99c13f6dc4ec4101"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://rsyslog.com/changelog-for-4-6-6-v4-stable/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://rsyslog.com/changelog-for-5-7-4-v5-beta/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://rsyslog.com/changelog-for-6-1-4-devel/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "http://secunia.com/advisories/45848"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://secunia.com/advisories/47698"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2011/12/22/2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/51171"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id?1026556"
    },
    {
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      "tags": [
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      "url": "http://www.ubuntu.com/usn/USN-1338-1"
    },
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=769822"
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-189"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.