CVE-2019-11933 Memory corruption in WhatsApp for Android
Remote attackers can execute arbitrary code or cause denial of service via a heap buffer overflow in the GIF library used by WhatsApp for Android.
- 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-2019-11933?
CVE-2019-11933 is a critical memory corruption vulnerability in Facebook WhatsApp for Android, published on 23 Oct 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A heap buffer overflow bug in libpl_droidsonroids_gif before 1.2.19, as used in WhatsApp for Android before version 2.19.291 could allow remote attackers to execute arbitrary code or cause a denial of service.
Which versions are affected by CVE-2019-11933?
It affects 2 products.
Products include Libpl Droidsonroids Gif Project Libpl Droidsonroids Gif, Whatsapp Whatsapp.
How do I fix CVE-2019-11933?
No fix has been published for CVE-2019-11933 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-2019-11933 being exploited?
There is no known exploitation of CVE-2019-11933 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Sources
Also known as GHSA-4hmc-9q64-h23p.