CVE-2017-5950

NameCVE-2017-5950
DescriptionThe SingleDocParser::HandleNode function in yaml-cpp (aka LibYaml-C++) 0.5.3 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted YAML file.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs859891, 859892

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
yaml-cpp (PTS)wheezy0.3.0-1vulnerable
jessie0.5.1-1vulnerable
stretch, sid0.5.2-4vulnerable
yaml-cpp0.3 (PTS)jessie0.3.0-1.1vulnerable
stretch, sid0.3.0-1.2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
yaml-cppsource(unstable)(unfixed)low859891
yaml-cpp0.3source(unstable)(unfixed)low859892

Notes

[jessie] - yaml-cpp <no-dsa> (Minor issue)
[jessie] - yaml-cpp0.3 <no-dsa> (Minor issue)
https://github.com/jbeder/yaml-cpp/issues/459
possible fix: https://github.com/jbeder/yaml-cpp/pull/489

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