CVE-2011-2943
Pidgin IRC Protocol Plugin Nickname Validation NULL Pointer Dereference
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.
INFO
Published Date :
Aug. 29, 2011, 5:55 p.m.
Last Modified :
Nov. 21, 2024, 1:29 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.9
Exploitability Score :
8.6
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2011-2943.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2011-2943 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2011-2943 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference http://developer.pidgin.im/viewmtn/revision/diff/5749f9193063800d27bef75c2388f6f9cc2f7f37/with/5c2dba4a7e2e76b76e7f472b88953a4316706d43/libpurple/protocols/irc/msgs.c Added Reference http://developer.pidgin.im/viewmtn/revision/info/5c2dba4a7e2e76b76e7f472b88953a4316706d43 Added Reference http://pidgin.im/news/security/?id=53 Added Reference http://secunia.com/advisories/45663 Added Reference http://secunia.com/advisories/45916 Added Reference http://securitytracker.com/id?1025961 Added Reference http://www.openwall.com/lists/oss-security/2011/08/20/2 Added Reference http://www.openwall.com/lists/oss-security/2011/08/22/2 Added Reference http://www.securityfocus.com/bid/49268 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=722939 Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/69340 Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18005 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Sep. 19, 2017
Action Type Old Value New Value Removed Reference http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:18005 [No Types Assigned] Added Reference https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18005 [No Types Assigned] -
CVE Modified by [email protected]
Aug. 29, 2017
Action Type Old Value New Value Removed Reference http://xforce.iss.net/xforce/xfdb/69340 [No Types Assigned] Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/69340 [No Types Assigned] -
Initial Analysis by [email protected]
Aug. 30, 2011
Action Type Old Value New Value
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2011-2943 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2011-2943
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
7.38 }} -3.62%
score
0.94036
percentile