CVE-2023-30087 Memory corruption in n/a
A local attacker can cause a denial of service in the Cesanta MJS library via a buffer overflow in the mjs_mk_string function.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-30087?
CVE-2023-30087 is a medium-severity memory corruption vulnerability in Cesanta Mjs, published on 9 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer Overflow vulnerability found in Cesanta MJS v.1.26 allows a local attacker to cause a denial of service via the mjs_mk_string function in mjs.c.
Weakness: CWE-787
Which versions are affected by CVE-2023-30087?
It affects 1 product.
Products include Cesanta Mjs.
How do I fix CVE-2023-30087?
No fix has been published for CVE-2023-30087 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-2023-30087 being exploited?
There is no known exploitation of CVE-2023-30087 in the wild and no public exploit code.
Other vulnerabilities in Cesanta Mjs
Sources
Also known as GHSA-2f9m-8whp-5mwq, UBUNTU-CVE-2023-30087.