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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2011-2943 Detail

Description

The irc_msg_who function in msgs.c in the IRC protocol plugin in libpurple 2.8.0 through 2.9.0 in Pidgin before 2.10.0 does not properly validate characters in nicknames, which allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted nickname that is not properly handled in a WHO response.


Evaluator Description

Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'

Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://developer.pidgin.im/viewmtn/revision/diff/5749f9193063800d27bef75c2388f6f9cc2f7f37/with/5c2dba4a7e2e76b76e7f472b88953a4316706d43/libpurple/protocols/irc/msgs.c Patch 
http://developer.pidgin.im/viewmtn/revision/diff/5749f9193063800d27bef75c2388f6f9cc2f7f37/with/5c2dba4a7e2e76b76e7f472b88953a4316706d43/libpurple/protocols/irc/msgs.c Patch 
http://developer.pidgin.im/viewmtn/revision/info/5c2dba4a7e2e76b76e7f472b88953a4316706d43 Patch 
http://developer.pidgin.im/viewmtn/revision/info/5c2dba4a7e2e76b76e7f472b88953a4316706d43 Patch 
http://pidgin.im/news/security/?id=53 Patch  Vendor Advisory 
http://pidgin.im/news/security/?id=53 Patch  Vendor Advisory 
http://secunia.com/advisories/45663 Vendor Advisory 
http://secunia.com/advisories/45663 Vendor Advisory 
http://secunia.com/advisories/45916
http://secunia.com/advisories/45916
http://securitytracker.com/id?1025961
http://securitytracker.com/id?1025961
http://www.openwall.com/lists/oss-security/2011/08/20/2
http://www.openwall.com/lists/oss-security/2011/08/20/2
http://www.openwall.com/lists/oss-security/2011/08/22/2
http://www.openwall.com/lists/oss-security/2011/08/22/2
http://www.securityfocus.com/bid/49268
http://www.securityfocus.com/bid/49268
https://bugzilla.redhat.com/show_bug.cgi?id=722939
https://bugzilla.redhat.com/show_bug.cgi?id=722939
https://exchange.xforce.ibmcloud.com/vulnerabilities/69340
https://exchange.xforce.ibmcloud.com/vulnerabilities/69340
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18005
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18005

Weakness Enumeration

CWE-ID CWE Name Source
NVD-CWE-Other Other cwe source acceptance level NIST  

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-2943
NVD Published Date:
08/29/2011
NVD Last Modified:
11/20/2024
Source:
Red Hat, Inc.