CVE-2023-38537 Use after free in WhatsApp Business for Android
A race condition in WhatsApp's network transport subsystem could cause a use-after-free, leading to app crashes or potential control flow hijacking during calls.
- 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-2023-38537?
CVE-2023-38537 is a medium-severity use after free vulnerability in Facebook WhatsApp Business for Android, published on 4 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A race condition in a network transport subsystem led to a heap use-after-free issue in established or unsilenced incoming audio/video calls that could have resulted in app termination or unexpected control flow with very low probability.
Weakness: CWE-362
Which versions are affected by CVE-2023-38537?
It affects 1 product.
Products include Whatsapp Whatsapp.
How do I fix CVE-2023-38537?
No fix has been published for CVE-2023-38537 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-2023-38537 being exploited?
There is no known exploitation of CVE-2023-38537 in the wild and no public exploit code.
Other vulnerabilities in Facebook WhatsApp Business for Android
Sources
Also known as GHSA-5crw-452c-5358.