Vulnerabilities
Misconfiguration
Compliance
CVE Vulnerabilities

CVE-2011-2943

Published: Aug 29, 2011 | Modified: Apr 11, 2025
CVSS 3.x
N/A
Source:
NVD
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
4 LOW
AV:N/AC:L/Au:S/C:N/I:N/A:P
RedHat/V3
Ubuntu
LOW
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Additional information
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2011-2943
CWEhttps://cwe.mitre.org/data/definitions/NVD-Other.html

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.

Affected Software

NameVendorStart VersionEnd Version
LibpurplePidgin2.8.0 (including)2.8.0 (including)
LibpurplePidgin2.9.0 (including)2.9.0 (including)
PidginPidgin*2.9.0 (including)
PidginPidgin2.0.0 (including)2.0.0 (including)
PidginPidgin2.0.1 (including)2.0.1 (including)
PidginPidgin2.0.2 (including)2.0.2 (including)
PidginPidgin2.1.0 (including)2.1.0 (including)
PidginPidgin2.1.1 (including)2.1.1 (including)
PidginPidgin2.2.0 (including)2.2.0 (including)
PidginPidgin2.2.1 (including)2.2.1 (including)
PidginPidgin2.2.2 (including)2.2.2 (including)
PidginPidgin2.3.0 (including)2.3.0 (including)
PidginPidgin2.3.1 (including)2.3.1 (including)
PidginPidgin2.4.0 (including)2.4.0 (including)
PidginPidgin2.4.1 (including)2.4.1 (including)
PidginPidgin2.4.2 (including)2.4.2 (including)
PidginPidgin2.4.3 (including)2.4.3 (including)
PidginPidgin2.5.0 (including)2.5.0 (including)
PidginPidgin2.5.1 (including)2.5.1 (including)
PidginPidgin2.5.2 (including)2.5.2 (including)
PidginPidgin2.5.3 (including)2.5.3 (including)
PidginPidgin2.5.4 (including)2.5.4 (including)
PidginPidgin2.5.5 (including)2.5.5 (including)
PidginPidgin2.5.6 (including)2.5.6 (including)
PidginPidgin2.5.7 (including)2.5.7 (including)
PidginPidgin2.5.8 (including)2.5.8 (including)
PidginPidgin2.5.9 (including)2.5.9 (including)
PidginPidgin2.6.0 (including)2.6.0 (including)
PidginPidgin2.6.1 (including)2.6.1 (including)
PidginPidgin2.6.2 (including)2.6.2 (including)
PidginPidgin2.6.4 (including)2.6.4 (including)
PidginPidgin2.6.5 (including)2.6.5 (including)
PidginPidgin2.6.6 (including)2.6.6 (including)
PidginPidgin2.7.0 (including)2.7.0 (including)
PidginPidgin2.7.1 (including)2.7.1 (including)
PidginPidgin2.7.2 (including)2.7.2 (including)
PidginPidgin2.7.3 (including)2.7.3 (including)
PidginPidgin2.7.4 (including)2.7.4 (including)
PidginPidgin2.7.5 (including)2.7.5 (including)
PidginPidgin2.7.6 (including)2.7.6 (including)
PidginPidgin2.7.7 (including)2.7.7 (including)
PidginPidgin2.7.8 (including)2.7.8 (including)
PidginPidgin2.7.9 (including)2.7.9 (including)
PidginPidgin2.7.10 (including)2.7.10 (including)
PidginPidgin2.7.11 (including)2.7.11 (including)
PidginPidgin2.8.0 (including)2.8.0 (including)
PidginUbuntuhardy*
PidginUbuntuupstream*

References

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