CVE-2019-7152 Memory corruption in n/a
A heap-based buffer over-read in Binaryen allows attackers to cause denial of service via crafted WebAssembly input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2019-7152?
CVE-2019-7152 is a medium-severity memory corruption vulnerability in n/a, published on 29 Jan 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A heap-based buffer over-read was discovered in wasm::WasmBinaryBuilder::processFunctions() in wasm/wasm-binary.cpp (when calling wasm::WasmBinaryBuilder::getFunctionIndexName) in Binaryen 1.38.22. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm-opt.
Weakness: CWE-125
Which versions are affected by CVE-2019-7152?
It affects 1 product.
Products include Webassembly Binaryen.
How do I fix CVE-2019-7152?
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-2019-7152 being exploited?
There is no known exploitation of CVE-2019-7152 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-7152, GHSA-jg54-xxxc-8446, UBUNTU-CVE-2019-7152.