Buffer overflow in yaml-cpp - CVE-2018-20574
Published: December 28, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU36263
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-20574
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: jbeder (Jesse Beder)
Affected software:
yaml-cpp
yaml-cpp
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The SingleDocParser::HandleFlowMap function in yaml-cpp (aka LibYaml-C++) 0.6.2 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted YAML file.
How to mitigate CVE-2018-20574
Install update from vendor's website.