CVE-2011-1243 Memory corruption in n/a

Critical 9.3 Published Updated

Remote attackers can execute arbitrary code via a memory corruption vulnerability in the Windows Messenger ActiveX control, requiring user interaction.

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

What is CVE-2011-1243?

CVE-2011-1243 is a critical memory corruption vulnerability in Microsoft Windows Xp, published on 13 Apr 2011. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The Windows Messenger ActiveX control in msgsc.dll in Microsoft Windows XP SP2 and SP3 allows remote attackers to execute arbitrary code via unspecified vectors that "corrupt the system state," aka "Microsoft Windows Messenger ActiveX Control Vulnerability."

Weakness: CWE-119

Which versions are affected by CVE-2011-1243?

It affects 1 product.

Products include Microsoft Windows Xp.

How do I fix CVE-2011-1243?

No fix has been published for CVE-2011-1243 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2011-1243 being exploited?

There is no known exploitation of CVE-2011-1243 in the wild and no public exploit code.

All Microsoft Windows Xp vulnerabilities

Sources

Also known as GHSA-r5g4-c3vm-vwhj.

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