CVE-2020-13556 Memory corruption in EIP Stack Group
Remote attackers can execute arbitrary code via crafted network requests exploiting an out-of-bounds write in the OpENer Ethernet/IP server.
- 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-2020-13556?
CVE-2020-13556 is a critical memory corruption vulnerability in EIP Stack Group, published on 11 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An out-of-bounds write vulnerability exists in the Ethernet/IP server functionality of EIP Stack Group OpENer 2.3 and development commit 8c73bf3. A specially crafted series of network requests can lead to remote code execution. An attacker can send a sequence of requests to trigger this vulnerability.
Weakness: CWE-787
Which versions are affected by CVE-2020-13556?
It affects 1 product.
Products include Opener Project Opener.
How do I fix CVE-2020-13556?
No fix has been published for CVE-2020-13556 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-13556 being exploited?
There is no known exploitation of CVE-2020-13556 in the wild and no public exploit code.
Other vulnerabilities in EIP Stack Group
Sources
Also known as GHSA-vp7f-g57q-p9jx.