CVE-2011-1872 Denial of service in n/a
Guest OS users can cause a host OS denial of service via malformed VMBus packets in Microsoft Windows Server Hyper-V.
- 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-2011-1872?
CVE-2011-1872 is a medium-severity denial of service vulnerability in Microsoft Windows Server 2008, published on 16 Jun 2011. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Hyper-V in Microsoft Windows Server 2008 Gold, SP2, R2, and R2 SP1 allows guest OS users to cause a denial of service (host OS infinite loop) via malformed machine instructions in a VMBus packet, aka "VMBus Persistent DoS Vulnerability."
Weakness: CWE-399
Which versions are affected by CVE-2011-1872?
It affects 1 product.
Products include Microsoft Windows Server 2008.
How do I fix CVE-2011-1872?
No fix has been published for CVE-2011-1872 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-2011-1872 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-1872 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Windows Server 2008
Sources
Also known as GHSA-w37q-mj57-9rm2.