CVE-2011-4602: Input Validation
Published Dec 17, 2011
·Updated
The XMPP protocol plugin in libpurple in Pidgin before 2.10.1 does not properly handle missing fields in (1) voice-chat and (2) video-chat stanzas, which allows remote attackers to cause a denial of service (application crash) via a crafted message.
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 17, 2011
CVE Published
via MITRE·02:00 AM
Data Sourced
via MITRE·02:00 AM
Description
Frequently Asked Questions
1
What is the severity of CVE-2011-4602?
CVE-2011-4602 has a moderate severity level as it can cause a denial of service through application crashes.
2
How do I fix CVE-2011-4602?
To fix CVE-2011-4602, upgrade to Pidgin version 2.10.1 or later.
3
What versions of Pidgin are affected by CVE-2011-4602?
CVE-2011-4602 affects Pidgin versions prior to 2.10.1, including several older versions like 2.5.9 and 2.7.0.
4
What type of attack does CVE-2011-4602 enable?
CVE-2011-4602 enables a remote denial of service attack via specially crafted XMPP messages.
5
Is there a workaround for CVE-2011-4602 if I can't update?
There are no specific workarounds for CVE-2011-4602; updating to a secure version is the recommended approach.