CVE-2022-32136 Codesys runtime systems: Access of uninitialised pointer lead to denial of service.
A remote attacker can cause a denial of service in CODESYS runtime systems by triggering a read access to an uninitialized pointer.
- 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-2022-32136?
CVE-2022-32136 is a medium-severity 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 that cause a read access to an uninitialized pointer, resulting in a denial-of-service. User interaction is not required.
Weakness: CWE-824
Which versions are affected by CVE-2022-32136?
It affects 2 products.
Products include Codesys Plcwinnt, Codesys Runtime Toolkit.
How do I fix CVE-2022-32136?
No fix has been published for CVE-2022-32136 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-32136 being exploited?
There is no known exploitation of CVE-2022-32136 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-2022-32137 CODESYS Runtime System prone to heap based buffer overflow
- 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
Sources
Also known as GHSA-c3w4-9vwq-3594.