OSV-2018-192 Stack-buffer-overflow in highbd_dr_prediction_z1_64xN_avx2
A stack buffer overflow in the AV1 codec allows attackers to execute arbitrary code or cause denial of service via crafted video 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 OSV-2018-192?
OSV-2018-192 is a memory corruption vulnerability in libaom, published on 13 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11517
Crash type: Stack-buffer-overflow READ 16
Crash state:
highbd_dr_prediction_z1_64xN_avx2
av1_highbd_dr_prediction_z1_avx2
av1_predict_intra_block
Which versions are affected by OSV-2018-192?
1 open source package ship an affected version, including libaom.
| Package | Affected | Fixed in |
|---|---|---|
libaom OSS-Fuzz | All versions | None |
How do I fix OSV-2018-192?
No fix has been published for OSV-2018-192 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 OSV-2018-192 being exploited?
There is no known exploitation of OSV-2018-192 in the wild and no public exploit code.