CVE-2018-16769 Denial of service in n/a
A crafted file can crash the WAVM WebAssembly Virtual Machine, causing a denial of service for applications using this library.
- 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
- None listed
What is CVE-2018-16769?
CVE-2018-16769 is a high-severity denial of service vulnerability in n/a, published on 10 Sep 2018. 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
In WAVM through 2018-07-26, a crafted file sent to the WebAssembly Virtual Machine may cause a denial of service (application crash) or possibly have unspecified other impact because libRuntime.so!llvm::InstructionCombiningPass::runOnFunction is mishandled.
Which versions are affected by CVE-2018-16769?
It affects 1 product.
Products include Webassembly Virtual Machine Project Webassembly Virtual Machine.
How do I fix CVE-2018-16769?
No fix has been published for CVE-2018-16769 yet. Limit exposure of the affected software until one is available.
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-2018-16769 being exploited?
There is no known exploitation of CVE-2018-16769 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-97ch-4cwp-grgq.