OSV-2020-1054 Heap-buffer-overflow in wabt::string_view::compare
A heap-buffer-overflow in the wabt library allows attackers to cause a denial of service via crafted WebAssembly binaries.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2020-1054?
OSV-2020-1054 is a memory corruption vulnerability in wabt, published on 22 Jul 2020.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18962
Crash type: Heap-buffer-overflow READ 6
Crash state:
wabt::string_view::compare
wabt::operator==
wabt::BinaryReader::ReadCustomSection
Which versions are affected by OSV-2020-1054?
1 open source package ship an affected version, including wabt.
| Package | Affected | Fixed in |
|---|---|---|
wabt OSS-Fuzz | All versions | None |
How do I fix OSV-2020-1054?
No fix has been published for OSV-2020-1054 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-2020-1054 being exploited?
There is no known exploitation of OSV-2020-1054 in the wild and no public exploit code.