CVE-2011-4601: Input Validation
Published Dec 25, 2011
·Updated
familyfeedbag.c in the oscar protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted (1) AIM or (2) ICQ message associated with buddy-list addition.
Affected Software
45 affected components
Pidgin Pidgin<=2.10.0
Pidgin Pidgin=2.5.9
Pidgin Pidgin=2.5.8
Pidgin Pidgin=2.7.9
Pidgin Pidgin=2.7.5
Pidgin Pidgin=2.1.0
Pidgin Pidgin=2.7.4
Pidgin Pidgin=2.6.0
Pidgin Pidgin=2.5.2
Pidgin Pidgin=2.5.1
Pidgin Pidgin=2.6.3
Pidgin Pidgin=2.7.6
Pidgin Pidgin=2.7.11
Pidgin Pidgin=2.5.6
Pidgin Pidgin=2.7.10
Pidgin Pidgin=2.5.7
Pidgin Pidgin=2.0.1
Pidgin Pidgin=2.4.2
Pidgin Pidgin=2.7.3
Pidgin Pidgin=2.5.4
Pidgin Pidgin=2.5.5
Pidgin Pidgin=2.6.5
Pidgin Pidgin=2.2.2
Pidgin Pidgin=2.1.1
Pidgin Pidgin=2.3.1
Pidgin Pidgin=2.4.3
Pidgin Pidgin=2.6.6
Pidgin Pidgin=2.8.0
Pidgin Pidgin=2.0.0
Pidgin Pidgin=2.0.2
Pidgin Pidgin=2.3.0
Pidgin Pidgin=2.4.1
Pidgin Pidgin=2.4.0
Pidgin Pidgin=2.6.2
Pidgin Pidgin=2.5.0
Pidgin Pidgin=2.9.0
Pidgin Pidgin=2.2.0
Pidgin Pidgin=2.2.1
Pidgin Pidgin=2.7.8
Pidgin Pidgin=2.7.7
Pidgin Pidgin=2.5.3
Pidgin Pidgin=2.6.1
Pidgin Pidgin=2.6.4
Pidgin Pidgin=2.7.2
Pidgin Pidgin=2.7.1
Event History
Dec 25, 2011
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2011-4601?
CVE-2011-4601 has a severity level that can result in denial of service due to application crashes.
2
How do I fix CVE-2011-4601?
To fix CVE-2011-4601, upgrade Pidgin to version 2.10.1 or later where the vulnerability has been addressed.
3
Which versions of Pidgin are affected by CVE-2011-4601?
CVE-2011-4601 affects all versions of Pidgin prior to 2.10.1.
4
What types of messages can exploit CVE-2011-4601?
CVE-2011-4601 can be exploited through crafted AIM or ICQ messages.
5
What component of Pidgin is vulnerable in CVE-2011-4601?
The vulnerability in CVE-2011-4601 resides in the family_feedbag.c file within the oscar protocol plugin.