CVE-2019-6292

NameCVE-2019-6292
DescriptionAn 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs919430

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
yaml-cpp (PTS)jessie0.5.1-1vulnerable
stretch0.5.2-4vulnerable
buster, sid0.6.2-4vulnerable
yaml-cpp0.3 (PTS)jessie0.3.0-1.1vulnerable
stretch0.3.0-1.2vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
yaml-cppsource(unstable)(unfixed)low919430
yaml-cpp0.3source(unstable)(unfixed)medium

Notes

[buster] - yaml-cpp <no-dsa> (Minor issue)
[stretch] - yaml-cpp <no-dsa> (Minor issue)
[jessie] - yaml-cpp <no-dsa> (Minor issue)
[stretch] - yaml-cpp0.3 <no-dsa> (Minor issue)
[jessie] - yaml-cpp0.3 <no-dsa> (Minor issue)
https://github.com/jbeder/yaml-cpp/issues/657

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