CVE-2022-43281 Memory corruption in n/a
A heap overflow in the wasm-interp library allows attackers to execute arbitrary code or cause denial of service via crafted WebAssembly files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-43281?
CVE-2022-43281 is a high-severity memory corruption vulnerability in n/a, published on 28 Oct 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
wasm-interp v1.0.29 was discovered to contain a heap overflow via the component std::vector<wabt::Type, std::allocator<wabt::Type>>::size() at /bits/stl_vector.h.
Weakness: CWE-787
Which versions are affected by CVE-2022-43281?
1 open source package ship an affected version, including wabt. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
wabt PyPI | All versions to 1.0.29 | None |
Products include Webassembly Wasm.
How do I fix CVE-2022-43281?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-43281 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-43281 exists.
Sources
Also known as DEBIAN-CVE-2022-43281, GHSA-hqh5-6prg-8mfv, PYSEC-2022-43187, UBUNTU-CVE-2022-43281.