CVE-2006-2374 Denial of service in n/a
Local attackers can cause a system hang in Windows by triggering a deadlock in the SMB driver via a specific ioctl call.
- 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-2006-2374?
CVE-2006-2374 is a medium-severity denial of service vulnerability in Microsoft Windows 2000, published on 13 Jun 2006. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The Server Message Block (SMB) driver (MRXSMB.SYS) in Microsoft Windows 2000 SP4, XP SP1 and SP2, and Server 2003 SP1 and earlier allows local users to cause a denial of service (hang) by calling the MrxSmbCscIoctlCloseForCopyChunk with the file handle of the shadow device, which results in a deadlock, aka the "SMB Invalid Handle Vulnerability."
Weakness: CWE-667
Which versions are affected by CVE-2006-2374?
It affects 3 products.
Products include Microsoft Windows 2000, Microsoft Windows 2003 Server, Microsoft Windows Xp.
How do I fix CVE-2006-2374?
No fix has been published for CVE-2006-2374 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-2006-2374 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2006-2374 exists.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in Microsoft Windows 2000
Sources
Also known as GHSA-3rmc-m2pw-8q44.