CVE-2022-32137 CODESYS Runtime System prone to heap based buffer overflow
A remote attacker can trigger a heap-based buffer overflow in CODESYS Runtime, causing denial of service or potential code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-32137?
CVE-2022-32137 is a high-severity memory corruption vulnerability in CODESYS PLCWinNT, published on 24 Jun 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In multiple CODESYS products, a low privileged remote attacker may craft a request, which may cause a heap-based buffer overflow, resulting in a denial-of-service condition or memory overwrite. User interaction is not required.
Weakness: CWE-122
Which versions are affected by CVE-2022-32137?
It affects 2 products.
Products include Codesys Plcwinnt, Codesys Runtime Toolkit.
How do I fix CVE-2022-32137?
No fix has been published for CVE-2022-32137 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-2022-32137 being exploited?
There is no known exploitation of CVE-2022-32137 in the wild and no public exploit code.
Other vulnerabilities in CODESYS PLCWinNT
- CVE-2022-31806 Insecure default settings in CODESYS Runtime Toolkit 32 bit full and CODESYS PLCWinNT
- CVE-2022-32138 CODESYS runtime system prone to denial of service due to Unexpected Sign Extension
- CVE-2022-32143 CODESYS runtime system prone to directory acces
- CVE-2022-1965 CODESYS runtime system prone to file deletion due to improper error handling
- CVE-2022-32142 CODESYS runtime system prone to denial of service due to use of out of range pointer
Sources
Also known as GHSA-vj74-p39q-jppr.