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FKIE_CVE-2011-1027

Vulnerability from fkie_nvd - Published: 2011-03-20 02:00 - Updated: 2026-06-16 23:28
Severity
Summary
Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence.
References
secalert@redhat.comhttp://article.gmane.org/gmane.comp.version-control.git/168493Broken Link
secalert@redhat.comhttp://hjemli.net/git/cgit/commit/?h=stable&id=fc384b16fb9787380746000d3cea2d53fccc548eBroken Link, Patch
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2011-March/055896.htmlMailing List, Patch
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2011-March/055898.htmlMailing List, Patch
secalert@redhat.comhttp://lists.fedoraproject.org/pipermail/package-announce/2011-March/055966.htmlMailing List
secalert@redhat.comhttp://openwall.com/lists/oss-security/2011/03/07/3Mailing List, Patch, Third Party Advisory
secalert@redhat.comhttp://secunia.com/advisories/43633Broken Link, Vendor Advisory
secalert@redhat.comhttp://secunia.com/advisories/43788Broken Link, Vendor Advisory
secalert@redhat.comhttp://www.osvdb.org/71005Broken Link
secalert@redhat.comhttp://www.securityfocus.com/bid/46756Broken Link, Exploit, Third Party Advisory, VDB Entry
secalert@redhat.comhttp://www.vupen.com/english/advisories/2011/0667Broken Link
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=680905Exploit, Issue Tracking, Patch
secalert@redhat.comhttps://exchange.xforce.ibmcloud.com/vulnerabilities/65919Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://article.gmane.org/gmane.comp.version-control.git/168493Broken Link
af854a3a-2127-422b-91ae-364da2661108http://hjemli.net/git/cgit/commit/?h=stable&id=fc384b16fb9787380746000d3cea2d53fccc548eBroken Link, Patch
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055896.htmlMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055898.htmlMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055966.htmlMailing List
af854a3a-2127-422b-91ae-364da2661108http://openwall.com/lists/oss-security/2011/03/07/3Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/43633Broken Link, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/43788Broken Link, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.osvdb.org/71005Broken Link
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/46756Broken Link, Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.vupen.com/english/advisories/2011/0667Broken Link
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=680905Exploit, Issue Tracking, Patch
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/65919Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
lars_hjemli cgit *
lars_hjemli cgit 0.1
lars_hjemli cgit 0.2
lars_hjemli cgit 0.3
lars_hjemli cgit 0.4
lars_hjemli cgit 0.5
lars_hjemli cgit 0.6
lars_hjemli cgit 0.6.1
lars_hjemli cgit 0.6.2
lars_hjemli cgit 0.6.3
lars_hjemli cgit 0.7
lars_hjemli cgit 0.7.1
lars_hjemli cgit 0.7.2
lars_hjemli cgit 0.8
lars_hjemli cgit 0.8.1
lars_hjemli cgit 0.8.1.1
lars_hjemli cgit 0.8.2
lars_hjemli cgit 0.8.2.1
lars_hjemli cgit 0.8.2.2
lars_hjemli cgit 0.8.3
lars_hjemli cgit 0.8.3.1
lars_hjemli cgit 0.8.3.2
lars_hjemli cgit 0.8.3.3
fedoraproject fedora 13
fedoraproject fedora 14
fedoraproject fedora 15
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Off-by-one error in the convert_query_hexchar function in html.c in cgit.cgi in cgit before 0.8.3.5 allows remote attackers to cause a denial of service (infinite loop) via a string composed of a % (percent) character followed by invalid hex characters, as demonstrated by a %gg sequence."
    },
    {
      "lang": "es",
      "value": "Error de superaci\u00f3n de l\u00edmite (off-by-one) en la funci\u00f3n convert_query_hexchar en html.c en cgit.cgi en cgit anteriores a v0.8.3.5, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (buble infinito) a trav\u00e9s de una cadena compuesta por un caracter \"%\" (por ciento) seguido de caracteres hexadecimales no v\u00e1lidos, como se demostr\u00f3 con la secuencia %gg."
    }
  ],
  "id": "CVE-2011-1027",
  "lastModified": "2026-06-16T23:28:34.970",
  "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": "2011-03-20T02:00:04.017",
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      "source": "secalert@redhat.com",
      "tags": [
        "Broken Link"
      ],
      "url": "http://article.gmane.org/gmane.comp.version-control.git/168493"
    },
    {
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    },
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    },
    {
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      ],
      "url": "http://secunia.com/advisories/43633"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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    {
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    },
    {
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    },
    {
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    },
    {
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      "tags": [
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      "url": "http://www.osvdb.org/71005"
    },
    {
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      ],
      "url": "http://www.vupen.com/english/advisories/2011/0667"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Issue Tracking",
        "Patch"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=680905"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65919"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-193"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.
  • 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.


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