CVE-2023-29570 Denial of service in n/a
A segmentation fault in Cesanta MJS allows attackers to cause a denial of service via the FFI callback free function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-29570?
CVE-2023-29570 is a medium-severity denial of service vulnerability in Cesanta Mjs, published on 24 Apr 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via mjs_ffi_cb_free at src/mjs_ffi.c. This vulnerability can lead to a Denial of Service (DoS).
Weakness: CWE-770
Which versions are affected by CVE-2023-29570?
It affects 1 product.
Products include Cesanta Mjs.
How do I fix CVE-2023-29570?
No fix has been published for CVE-2023-29570 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-29570 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-29570 exists.
Other vulnerabilities in Cesanta Mjs
Sources
Also known as GHSA-qmx9-67mw-5ghq.