OSV-2020-837 UNKNOWN WRITE in helper_wfe_arm
A memory corruption vulnerability in the QEMU ARM emulator's helper_wfe_arm function allows attackers to potentially execute arbitrary code or cause a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is OSV-2020-837?
OSV-2020-837 is a memory corruption vulnerability in unicorn, published on 14 Jul 2020.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20245
Crash type: UNKNOWN WRITE
Crash state:
helper_wfe_arm
Which versions are affected by OSV-2020-837?
1 open source package ship an affected version, including unicorn.
| Package | Affected | Fixed in |
|---|---|---|
unicorn OSS-Fuzz | All versions | None |
How do I fix OSV-2020-837?
No fix has been published for OSV-2020-837 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-2020-837 being exploited?
There is no known exploitation of OSV-2020-837 in the wild and no public exploit code.