CWE
20
Advisory Published
Updated

CVE-2011-4602: Input Validation

First published: Sat 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.

Credit: secalert@redhat.com

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

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Frequently Asked Questions

  • 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.

  • How do I fix CVE-2011-4602?

    To fix CVE-2011-4602, upgrade to Pidgin version 2.10.1 or later.

  • 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.

  • What type of attack does CVE-2011-4602 enable?

    CVE-2011-4602 enables a remote denial of service attack via specially crafted XMPP messages.

  • 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.

Contact

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