CVE-2018-17292 Denial of service in n/a
Attackers can crash the WAVM application by providing a file smaller than 4 bytes, causing an out-of-bounds read during module loading.
- 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-2018-17292?
CVE-2018-17292 is a medium-severity denial of service vulnerability in n/a, published on 21 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
An issue was discovered in WAVM before 2018-09-16. The loadModule function in Include/Inline/CLI.h lacks checking of the file length before a file magic comparison, allowing attackers to cause a Denial of Service (application crash caused by out-of-bounds read) by crafting a file that has fewer than 4 bytes.
Weakness: CWE-125
Which versions are affected by CVE-2018-17292?
It affects 1 product.
Products include Webassembly Virtual Machine Project Webassembly Virtual Machine.
How do I fix CVE-2018-17292?
No fix has been published for CVE-2018-17292 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-2018-17292 being exploited?
There is no known exploitation of CVE-2018-17292 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-2rpf-552f-x2xx.