OSV-2018-208 Global-buffer-overflow in bloaty::wasm::Section::Read
A global buffer overflow in Bloaty's WebAssembly parser allows attackers to cause a denial of service by providing a malicious binary file.
- 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
- None listed
What is OSV-2018-208?
OSV-2018-208 is a memory corruption vulnerability in bloaty, published on 13 Jan 2021. 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
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9540
Crash type: Global-buffer-overflow READ 8
Crash state:
bloaty::wasm::Section::Read
bloaty::wasm::ParseSections
bloaty::wasm::WebAssemblyObjectFile::ProcessFile
Which versions are affected by OSV-2018-208?
1 open source package ship an affected version, including bloaty.
| Package | Affected | Fixed in |
|---|---|---|
bloaty OSS-Fuzz | All versions | None |
How do I fix OSV-2018-208?
No fix has been published for OSV-2018-208 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-2018-208 being exploited?
There is no known exploitation of OSV-2018-208 in the wild and no public exploit code.