Input validation error in Pidgin - CVE-2011-4602
Published: December 17, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44442
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-4602
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: pidgin.im
Affected software:
Pidgin
Pidgin
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
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.
How to mitigate CVE-2011-4602
Install update from vendor's website.
Sources
- http://developer.pidgin.im/viewmtn/revision/info/fb216fc88b085afc06d9a15209519cde1f4df6c6
- http://pidgin.im/news/security/?id=58
- http://secunia.com/advisories/47219
- http://secunia.com/advisories/47234
- http://www.redhat.com/support/errata/RHSA-2011-1820.html
- http://www.redhat.com/support/errata/RHSA-2011-1821.html
- https://hermes.opensuse.org/messages/13195955
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18420