CVE-2011-4871 Denial of service in n/a
Remote attackers can cause a denial of service in Open Automation Software OPC Systems.NET by sending malformed .NET RPC packets.
- 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-2011-4871?
CVE-2011-4871 is a medium-severity denial of service vulnerability in n/a, published on 18 Apr 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Open Automation Software OPC Systems.NET before 5.0 allows remote attackers to cause a denial of service via a malformed .NET RPC packet on TCP port 58723.
Weakness: CWE-20
Which versions are affected by CVE-2011-4871?
It affects 1 product.
Products include Opcsystems Opcsystems.net.
How do I fix CVE-2011-4871?
No fix has been published for CVE-2011-4871 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-2011-4871 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-4871 exists.
Public exploit code: 1 Exploit-DB entry.
Sources
Also known as GHSA-36g6-rvvm-6jhh.