CVE-2010-2549 Use after free in n/a

High 7.2 Published Updated

Local attackers can exploit a use-after-free in Windows kernel drivers to escalate privileges or crash the system via specific API calls.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2010-2549?

CVE-2010-2549 is a high-severity use after free vulnerability in Microsoft Windows Server 2008, published on 2 Jul 2010. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use-after-free vulnerability in the kernel-mode drivers in Microsoft Windows Vista SP1 and SP2 and Server 2008 Gold and SP2 allows local users to gain privileges or cause a denial of service (system crash) by using a large number of calls to the NtUserCheckAccessForIntegrityLevel function to trigger a failure in the LockProcessByClientId function, leading to deletion of an in-use process object, aka "Win32k Reference Count Vulnerability."

Weakness: CWE-399

Which versions are affected by CVE-2010-2549?

It affects 2 products.

Products include Microsoft Windows Server 2008, Microsoft Windows Vista.

How do I fix CVE-2010-2549?

No fix has been published for CVE-2010-2549 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-2010-2549 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-2549 exists.

Public exploit code: 1 Exploit-DB entry.

All Microsoft Windows Server 2008 vulnerabilities

Sources

Also known as GHSA-phf6-cv26-j3qq.

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