Vulnerability Details : CVE-2011-4939
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.
Vulnerability category: Memory CorruptionDenial of service
Products affected by CVE-2011-4939
- cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.6:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.7:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.8:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.9:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.6:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.7:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.5:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.9:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.10:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.8:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.11:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.9.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.10.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2011-4939
1.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2011-4939
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:P/A:P |
10.0
|
4.9
|
NIST |
CWE ids for CVE-2011-4939
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2011-4939
-
http://developer.pidgin.im/viewmtn/revision/info/d1d77da56217f3a083e1d459bef054db9f1d5699
pidgin — Bitbucket
-
http://www.mandriva.com/security/advisories?name=MDVSA-2012:029
mandriva.com
-
http://developer.pidgin.im/viewmtn/revision/diff/10ead4688e3af4132d454fa3bc241480500651c9/with/d1d77da56217f3a083e1d459bef054db9f1d5699/pidgin/gtkconv.c
pidgin — Bitbucket
-
http://developer.pidgin.im/ticket/14392
#14392 (get_iter_from_chatbuddy can dereference NULL pointer) – Pidgin
-
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18406
Repository / Oval Repository
-
http://pidgin.im/news/security/?id=60
Pidgin Security AdvisoriesVendor Advisory
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