CVE-2019-15758 Denial of service in n/a
A crafted input in Binaryen causes an assertion failure, leading to a denial-of-service condition in the wasm2js tool.
- 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-2019-15758?
CVE-2019-15758 is a medium-severity denial of service vulnerability in n/a, published on 29 Aug 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
An issue was discovered in Binaryen 1.38.32. Missing validation rules in asmjs/asmangle.cpp can lead to an Assertion Failure at wasm/wasm.cpp in wasm::asmangle. A crafted input can cause denial-of-service, as demonstrated by wasm2js.
Weakness: CWE-617
Which versions are affected by CVE-2019-15758?
It affects 1 product.
Products include Webassembly Binaryen.
How do I fix CVE-2019-15758?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2019-15758 being exploited?
There is no known exploitation of CVE-2019-15758 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-15758, GHSA-347v-36v5-8qfm.