CVE-2019-6292 Denial of service in n/a
Remote attackers can cause a denial of service via stack exhaustion in the yaml-cpp library by submitting a malicious YAML file.
- 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-2019-6292?
CVE-2019-6292 is a medium-severity denial of service vulnerability in n/a, published on 15 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
An issue was discovered in singledocparser.cpp in yaml-cpp (aka LibYaml-C++) 0.6.2. Stack Exhaustion occurs in YAML::SingleDocParser, and there is a stack consumption problem caused by recursive stack frames: HandleCompactMap, HandleMap, HandleFlowSequence, HandleSequence, HandleNode. Remote attackers could leverage this vulnerability to cause a denial-of-service via a cpp file.
Weakness: CWE-674
Which versions are affected by CVE-2019-6292?
It affects 1 product.
Products include Yaml-Cpp Project Yaml-Cpp.
How do I fix CVE-2019-6292?
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-2019-6292 being exploited?
There is no known exploitation of CVE-2019-6292 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as AZL-7009, DEBIAN-CVE-2019-6292, GHSA-v84h-mwmj-46pf, UBUNTU-CVE-2019-6292.