CVE-2022-43286 Use after free in n/a
A heap-use-after-free in Nginx NJS allows attackers to execute arbitrary code or cause denial of service via crafted JSON input.
- 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-2022-43286?
CVE-2022-43286 is a critical use after free vulnerability in n/a, published on 28 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Nginx NJS v0.7.2 was discovered to contain a heap-use-after-free bug caused by illegal memory copy in the function njs_json_parse_iterator_call at njs_json.c.
Weakness: CWE-416
Which versions are affected by CVE-2022-43286?
It affects 1 product.
Products include F5 Njs.
How do I fix CVE-2022-43286?
No fix has been published for CVE-2022-43286 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2022-43286 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-43286 exists.
Other vulnerabilities in n/a
Sources
Also known as GHSA-qw9g-h8v6-7xfq.