CVE-2013-1302 Use after free in n/a

Critical 9.3 Published 15 May 2013 Updated 6 Aug 2024

Remote attackers can execute arbitrary code via a crafted invitation triggering a use-after-free in Microsoft Lync clients.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2013-1302?

CVE-2013-1302 is a critical use after free vulnerability in n/a, published on 15 May 2013. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Microsoft Communicator 2007 R2, Lync 2010, Lync 2010 Attendee, and Lync Server 2013 do not properly handle objects in memory, which allows remote attackers to execute arbitrary code via an invitation that triggers access to a deleted object, aka "Lync RCE Vulnerability."

Weakness: CWE-119

Which versions are affected by CVE-2013-1302?

It affects 3 products.

Products include Microsoft Lync, Microsoft Lync Server, Microsoft Office Communicator.

How do I fix CVE-2013-1302?

No fix has been published for CVE-2013-1302 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2013-1302 being exploited?

There is no known exploitation of CVE-2013-1302 in the wild and no public exploit code.

Sources

Also known as GHSA-q433-fx96-3j76.