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CVE-2010-4528

4.0 · MEDIUM

directconn.c in the MSN protocol plugin in libpurple 2.7.6 through 2.7.8 in Pidgin before 2.7.9 allows remote authenticated users to cause a denial of service (NULL pointer dereference and applicat…

Published Jan 7, 2011pidginCWE-20EPSS 2.55%

Overview

CVE-2010-4528 is a medium-severity vulnerability affecting pidgin libpurple. It was published on January 7, 2011 and has a CVSS 2.0 base score of 4.0 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

directconn.c in the MSN protocol plugin in libpurple 2.7.6 through 2.7.8 in Pidgin before 2.7.9 allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a short p2pv2 packet in a DirectConnect (aka direct connection) session.

Remediation

Check the references section for vendor advisories and patches from pidgin. Update libpurple to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
pidginpidgin0Affected

References

Refdeveloper.pidgin.im/viewmtn/revision/diff/e76f4ad4ef2f10588195a0eedc7a08f82062f79c/with/aaa07bde3c51d3684391ae6ed86b6dbaeab5d031/libpurple/protocols/msn/directconn.cRefdeveloper.pidgin.im/viewmtn/revision/info/aaa07bde3c51d3684391ae6ed86b6dbaeab5d031Reflists.fedoraproject.org/pipermail/package-announce/2011-January/052862.htmlReflists.fedoraproject.org/pipermail/package-announce/2011-January/052905.htmlReflists.opensuse.org/opensuse-security-announce/2011-01/msg00003.htmlRefpidgin.im/pipermail/support/2010-December/009251.htmlRefsecunia.com/advisories/42732Refsecunia.com/advisories/42824Refsecunia.com/advisories/42877Refwww.mandriva.com/security/advisories?name=MDVSA-2010:259

How CyberStrike helps

Frequently asked questions

What is CVE-2010-4528?

CVE-2010-4528 is a medium-severity vulnerability affecting pidgin libpurple. It was published on January 7, 2011 and has a CVSS 2.0 base score of 4.0 (MEDIUM).

How severe is CVE-2010-4528?

This vulnerability has a CVSS 2.0 base score of 4.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2010-4528?

Check the references section for vendor advisories and patches from pidgin. Update libpurple to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2010-4528?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2010-4528 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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