CVE-2022-36938 Memory corruption in Redex
An out-of-bounds read in Redex's DexLoader allows remote code execution when processing malicious Android APK files.
- 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-2022-36938?
CVE-2022-36938 is a critical memory corruption vulnerability in Facebook Redex, published on 10 Nov 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
DexLoader function get_stringidx_fromdex() in Redex prior to commit 3b44c64 can load an out of bound address when loading the string index table, potentially allowing remote code execution during processing of a 3rd party Android APK file.
Which versions are affected by CVE-2022-36938?
It affects 1 product.
Products include Facebook Redex.
How do I fix CVE-2022-36938?
No fix has been published for CVE-2022-36938 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-2022-36938 being exploited?
There is no known exploitation of CVE-2022-36938 in the wild and no public exploit code.
Sources
Also known as GHSA-2prh-76mq-h4gx.