Vulnerability-Lookup

FKIE_CVE-2011-4939

Vulnerability from fkie_nvd - Published: 2012-03-15 10:55 - Updated: 2026-06-16 23:35

Severity

Summary

The pidgin_conv_chat_rename_user function in gtkconv.c in Pidgin before 2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by changing a nickname while in an XMPP chat room.

References

URL	Tags
secalert@redhat.com	http://developer.pidgin.im/ticket/14392
secalert@redhat.com	http://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c
secalert@redhat.com	http://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699
secalert@redhat.com	http://pidgin.im/news/security/?id=60	Vendor Advisory
secalert@redhat.com	http://www.mandriva.com/security/advisories?name=MDVSA-2012:029
secalert@redhat.com	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406
af854a3a-2127-422b-91ae-364da2661108	http://developer.pidgin.im/ticket/14392
af854a3a-2127-422b-91ae-364da2661108	http://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c
af854a3a-2127-422b-91ae-364da2661108	http://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699
af854a3a-2127-422b-91ae-364da2661108	http://pidgin.im/news/security/?id=60	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.mandriva.com/security/advisories?name=MDVSA-2012:029
af854a3a-2127-422b-91ae-364da2661108	https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406

Impacted products

Vendor	Product	Version
pidgin	pidgin	*
pidgin	pidgin	2.0.0
pidgin	pidgin	2.0.1
pidgin	pidgin	2.0.2
pidgin	pidgin	2.1.0
pidgin	pidgin	2.1.1
pidgin	pidgin	2.2.0
pidgin	pidgin	2.2.1
pidgin	pidgin	2.2.2
pidgin	pidgin	2.3.0
pidgin	pidgin	2.3.1
pidgin	pidgin	2.4.0
pidgin	pidgin	2.4.1
pidgin	pidgin	2.4.2
pidgin	pidgin	2.4.3
pidgin	pidgin	2.5.0
pidgin	pidgin	2.5.1
pidgin	pidgin	2.5.2
pidgin	pidgin	2.5.3
pidgin	pidgin	2.5.4
pidgin	pidgin	2.5.5
pidgin	pidgin	2.5.6
pidgin	pidgin	2.5.7
pidgin	pidgin	2.5.8
pidgin	pidgin	2.5.9
pidgin	pidgin	2.6.0
pidgin	pidgin	2.6.1
pidgin	pidgin	2.6.2
pidgin	pidgin	2.6.3
pidgin	pidgin	2.6.4
pidgin	pidgin	2.6.5
pidgin	pidgin	2.6.6
pidgin	pidgin	2.7.1
pidgin	pidgin	2.7.2
pidgin	pidgin	2.7.3
pidgin	pidgin	2.7.4
pidgin	pidgin	2.7.5
pidgin	pidgin	2.7.6
pidgin	pidgin	2.7.7
pidgin	pidgin	2.7.8
pidgin	pidgin	2.7.9
pidgin	pidgin	2.7.10
pidgin	pidgin	2.7.11
pidgin	pidgin	2.8.0
pidgin	pidgin	2.9.0
pidgin	pidgin	2.10.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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      "source": "secalert@redhat.com"
    }
  ],
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              "vulnerable": true
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          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The pidgin_conv_chat_rename_user function in gtkconv.c in Pidgin before 2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by changing a nickname while in an XMPP chat room."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n de pidgin_conv_chat_rename_user gtkconv.c en Pidgin antes de v2.10.2 permite a atacantes remotos causar una denegaci\u00f3n de servicio (eliminar la referencia del puntero NULL y ca\u00edda de aplicaci\u00f3n), cambiando un apodo mientras se encuentra en una sala de chat XMPP."
    }
  ],
  "id": "CVE-2011-4939",
  "lastModified": "2026-06-16T23:35:39.607",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.4,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2012-03-15T10:55:01.273",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://developer.pidgin.im/ticket/14392"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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      ],
      "url": "http://pidgin.im/news/security/?id=60"
    },
    {
      "source": "secalert@redhat.com",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:029"
    },
    {
      "source": "secalert@redhat.com",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://developer.pidgin.im/ticket/14392"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      ],
      "url": "http://pidgin.im/news/security/?id=60"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:029"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2011-4939 (GCVE-0-2011-4939)

Vulnerability from cvelistv5 – Published: 2012-03-15 10:00 – Updated: 2024-08-07 00:23

Summary

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root

References

6 references

URL	Tags
https://oval.cisecurity.org/repository/search/def…	vdb-entrysignaturex_refsource_OVAL
http://www.mandriva.com/security/advisories?name=…	vendor-advisoryx_refsource_MANDRIVA
http://developer.pidgin.im/ticket/14392	x_refsource_CONFIRM
http://developer.pidgin.im/viewmtn/revision/diff/…	x_refsource_CONFIRM
http://pidgin.im/news/security/?id=60	x_refsource_CONFIRM
http://developer.pidgin.im/viewmtn/revision/info/…	x_refsource_CONFIRM

Date Public

2011-07-08 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-07T00:23:38.584Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "oval:org.mitre.oval:def:18406",
            "tags": [
              "vdb-entry",
              "signature",
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              "x_transferred"
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            "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406"
          },
          {
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            "tags": [
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          },
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            ],
            "url": "http://developer.pidgin.im/ticket/14392"
          },
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            "url": "http://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c"
          },
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            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://pidgin.im/news/security/?id=60"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "http://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2011-07-08T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The pidgin_conv_chat_rename_user function in gtkconv.c in Pidgin before 2.10.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by changing a nickname while in an XMPP chat room."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2018-01-17T19:57:01.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "oval:org.mitre.oval:def:18406",
          "tags": [
            "vdb-entry",
            "signature",
            "x_refsource_OVAL"
          ],
          "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406"
        },
        {
          "name": "MDVSA-2012:029",
          "tags": [
            "vendor-advisory",
            "x_refsource_MANDRIVA"
          ],
          "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:029"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://developer.pidgin.im/ticket/14392"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://pidgin.im/news/security/?id=60"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "http://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2011-4939",
    "datePublished": "2012-03-15T10:00:00.000Z",
    "dateReserved": "2011-12-23T00:00:00.000Z",
    "dateUpdated": "2024-08-07T00:23:38.584Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

FKIE_CVE-2011-4939

CVE-2011-4939 (GCVE-0-2011-4939)

Tags

Sightings

Nomenclature