CVE-2019-7154 Memory corruption in n/a
A heap-based buffer overflow in Binaryen's wasm2js tool allows attackers to cause a denial of service via crafted 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-2019-7154?
CVE-2019-7154 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
The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/simple_ast.h. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.
Weakness: CWE-787
Which versions are affected by CVE-2019-7154?
It affects 1 product.
Products include Webassembly Binaryen.
How do I fix CVE-2019-7154?
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-2019-7154 being exploited?
There is no known exploitation of CVE-2019-7154 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-7154, GHSA-368j-92cq-wrg5, UBUNTU-CVE-2019-7154.