CVE-2011-4601

Description

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 3.71% Top 15%
Vendor Advisory redhat.com Vendor Advisory opensuse.org Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory pidgin.im
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.redhat.com/support/errata/RHSA-2011-1820.html vendor advisory
http://developer.pidgin.im/viewmtn/revision/info/757272a78a8ca6027d518e614712c3399e34dda3
https://hermes.opensuse.org/messages/13195955 vendor advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2011:183 vendor advisory
http://secunia.com/advisories/47219 third party advisory
http://www.openwall.com/lists/oss-security/2011/12/10/2 mailing list
http://www.openwall.com/lists/oss-security/2011/12/10/1 mailing list
http://pidgin.im/news/security/?id=57 vendor advisory
http://www.redhat.com/support/errata/RHSA-2011-1821.html vendor advisory
http://developer.pidgin.im/viewmtn/revision/diff/bc79b1bf09dcfa1d8edac86a06761fce7416e69c/with/757272a78a8ca6027d518e614712c3399e34dda3/libpurple/protocols/oscar/family_feedbag.c
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18408 vdb entry signature
http://secunia.com/advisories/47234 third party advisory
http://www.securityfocus.com/bid/51010 vdb entry

Frequently Asked Questions

What is the severity of CVE-2011-4601?
CVE-2011-4601 has been scored as a medium severity vulnerability.
How to fix CVE-2011-4601?
To fix CVE-2011-4601, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4601 being actively exploited in the wild?
It is possible that CVE-2011-4601 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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