1. CVE-Search
  2. CVE-2011-2943
ID CVE-2011-2943
Summary 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. Per: http://cwe.mitre.org/data/definitions/476.html 'CWE-476: NULL Pointer Dereference'
References
Vulnerable Configurations
  • cpe:2.3:a:pidgin:libpurple:2.8.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:libpurple:2.8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:libpurple:2.9.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:libpurple:2.9.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.5.5:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.5.5:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.5.6:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.5.6:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.5.7:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.5.7:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.5.8:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.5.8:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.5.9:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.5.9:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.6.1:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.6.1:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.6.2:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.6.2:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.6.4:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.6.4:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.6.5:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.6.5:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.6.6:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.6.6:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.1:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.1:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.2:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.2:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.3:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.3:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.4:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.4:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.5:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.5:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.6:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.6:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.7:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.7:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.8:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.8:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.9:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.9:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.10:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.10:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.7.11:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.7.11:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.8.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.8.0:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:-:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:-:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:1.5.1:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:1.5.1:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.6.3:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.6.3:*:*:*:*:*:*:*
  • cpe:2.3:a:pidgin:pidgin:2.9.0:*:*:*:*:*:*:*
    cpe:2.3:a:pidgin:pidgin:2.9.0:*:*:*:*:*:*:*
CVSS
Base: 4.3 (as of 19-09-2017 - 01:33)
Impact:
Exploitability:
CWE NVD-CWE-Other
CAPEC
Access
VectorComplexityAuthentication
NETWORK MEDIUM NONE
Impact
ConfidentialityIntegrityAvailability
NONE NONE PARTIAL
cvss-vector via4 AV:N/AC:M/Au:N/C:N/I:N/A:P
oval via4
accepted 2013-09-30T04:00:47.251-04:00
class vulnerability
contributors
name Shane Shaffer
organization G2, Inc.
definition_extensions
comment Pidgin is installed
oval oval:org.mitre.oval:def:12366
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.
family windows
id oval:org.mitre.oval:def:18005
status accepted
submitted 2013-08-16T15:36:10.221-04:00
title 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
version 4
refmap via4
bid 49268
confirm
mlist
  • [oss-security] 20110820 CVE request: Pidgin crash
  • [oss-security] 20110822 Re: CVE request: Pidgin crash
sectrack 1025961
secunia
  • 45663
  • 45916
xf pidgin-irc-protocol-dos(69340)
Last major update 19-09-2017 - 01:33
Published 29-08-2011 - 17:55
Last modified 19-09-2017 - 01:33
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