CVE-2010-1887 Denial of service in n/a

Medium 4.4 Published Updated

Local attackers can cause a system hang in Windows via a crafted application exploiting improper validation in win32k.sys.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2010-1887?

CVE-2010-1887 is a medium-severity denial of service vulnerability in Microsoft Windows 2003 Server, published on 11 Aug 2010. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

The Windows kernel-mode drivers in win32k.sys in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 do not properly validate an unspecified system-call argument, which allows local users to cause a denial of service (system hang) via a crafted application, aka "Win32k Bounds Checking Vulnerability."

Weakness: CWE-20

Which versions are affected by CVE-2010-1887?

It affects 6 products.

Products include Microsoft Windows 2003 Server, Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.

How do I fix CVE-2010-1887?

No fix has been published for CVE-2010-1887 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2010-1887 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2010-1887 exists.

Public exploit code: 1 Exploit-DB entry.

All Microsoft Windows 2003 Server vulnerabilities

Sources

Also known as GHSA-c4vc-jr79-m7h5.

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