CVE-2007-4996

Description

libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which allows remote attackers to cause a denial of service (crash) via a nudge message that triggers an access of "an invalid memory location."

4.3

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 1.45% Top 25%

Vendor Advisory fedoranews.org Vendor Advisory secunia.com

Affected: n/a n/a

References

Link	Tags
https://exchange.xforce.ibmcloud.com/vulnerabilities/36884	vdb entry
http://secunia.com/advisories/27088	third party advisory
http://www.securityfocus.com/archive/1/481402/100/0/threaded	mailing list
http://www.vupen.com/english/advisories/2007/3321	vdb entry
http://www.pidgin.im/news/security/?id=23	patch
http://www.securityfocus.com/bid/25872	vdb entry
http://fedoranews.org/updates/FEDORA-2007-236.shtml	vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18261	vdb entry signature
http://secunia.com/advisories/27010	third party advisory patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2007-4996?: CVE-2007-4996 has been scored as a medium severity vulnerability.
How to fix CVE-2007-4996?: To fix CVE-2007-4996, 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-2007-4996 being actively exploited in the wild?: It is possible that CVE-2007-4996 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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