CVE-2002-1561 Null dereference in n/a

Medium 5.0 Published Updated

Remote attackers can disable the RPC service on Windows systems by sending a malformed packet to the Endpoint Mapper, causing a denial of service.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2002-1561?

CVE-2002-1561 is a medium-severity vulnerability in Microsoft Windows 2000, published on 26 Mar 2003. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to cause a denial of service (disabled RPC service) via a malformed packet to the RPC Endpoint Mapper at TCP port 135, which triggers a null pointer dereference.

Which versions are affected by CVE-2002-1561?

It affects 4 products.

Products include Microsoft Windows 2000, Microsoft Windows 2000 Terminal Services, Microsoft Windows Nt, Microsoft Windows Xp.

How do I fix CVE-2002-1561?

No fix has been published for CVE-2002-1561 yet. Limit exposure of the affected software until one is available.

Is CVE-2002-1561 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2002-1561 exists.

Public exploit code: 4 Exploit-DB entries.

All Microsoft Windows 2000 vulnerabilities

Sources

Also known as GHSA-vff3-5vfq-9m5f.

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