CVE-2011-5009 Null dereference in n/a
Remote attackers can cause a denial of service in 3S CoDeSys via crafted HTTP requests, impacting industrial control systems.
- 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-2011-5009?
CVE-2011-5009 is a medium-severity vulnerability in n/a, published on 25 Dec 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The CmpWebServer.dll module in the Control service in 3S CoDeSys 3.4 SP4 Patch 2 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a crafted Content-Length in an HTTP POST or (2) an invalid HTTP request method.
Which versions are affected by CVE-2011-5009?
It affects 1 product.
Products include 3ssoftware Codesys.
How do I fix CVE-2011-5009?
No fix has been published for CVE-2011-5009 yet. Limit exposure of the affected software until one is available.
Is CVE-2011-5009 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2011-5009 exists.
Public exploit code: 2 Exploit-DB entries.
Other vulnerabilities in n/a
Sources
Also known as GHSA-8jmv-f4p4-24wg.