OSV-2021-288 UNKNOWN READ in wabt::ReadBinary
An unknown read error in the WebAssembly binary reader can cause a crash, potentially leading to denial of service for applications using the library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2021-288?
OSV-2021-288 is a memory corruption vulnerability in wabt, published on 7 Feb 2021.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30373
Crash type: UNKNOWN READ
Crash state:
wabt::ReadBinary
wabt::ReadBinaryIr
wasm2wat_fuzzer.cc
Which versions are affected by OSV-2021-288?
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-2021-288?
No fix has been published for OSV-2021-288 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-2021-288 being exploited?
There is no known exploitation of OSV-2021-288 in the wild and no public exploit code.