medium
5
CWE
20
Advisory Published
Updated

CVE-2011-4601: Input Validation

First published: Sun Dec 25 2011(Updated: )

family_feedbag.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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Pidgin<=2.10.0
Pidgin=2.0.0
Pidgin=2.0.1
Pidgin=2.0.2
Pidgin=2.1.0
Pidgin=2.1.1
Pidgin=2.2.0
Pidgin=2.2.1
Pidgin=2.2.2
Pidgin=2.3.0
Pidgin=2.3.1
Pidgin=2.4.0
Pidgin=2.4.1
Pidgin=2.4.2
Pidgin=2.4.3
Pidgin=2.5.0
Pidgin=2.5.1
Pidgin=2.5.2
Pidgin=2.5.3
Pidgin=2.5.4
Pidgin=2.5.5
Pidgin=2.5.6
Pidgin=2.5.7
Pidgin=2.5.8
Pidgin=2.5.9
Pidgin=2.6.0
Pidgin=2.6.1
Pidgin=2.6.2
Pidgin=2.6.3
Pidgin=2.6.4
Pidgin=2.6.5
Pidgin=2.6.6
Pidgin=2.7.1
Pidgin=2.7.2
Pidgin=2.7.3
Pidgin=2.7.4
Pidgin=2.7.5
Pidgin=2.7.6
Pidgin=2.7.7
Pidgin=2.7.8
Pidgin=2.7.9
Pidgin=2.7.10
Pidgin=2.7.11
Pidgin=2.8.0
Pidgin=2.9.0

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Reference Links

Frequently Asked Questions

  • 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.

  • 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.

  • Which versions of Pidgin are affected by CVE-2011-4601?

    CVE-2011-4601 affects all versions of Pidgin prior to 2.10.1.

  • What types of messages can exploit CVE-2011-4601?

    CVE-2011-4601 can be exploited through crafted AIM or ICQ messages.

  • 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.

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