CVE-2017-6306

NameCVE-2017-6306
DescriptionAn issue was discovered in ytnef before 1.9.1. This is related to a patch described as "9 of 9. Directory Traversal using the filename; SanitizeFilename function in settings.c."
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libytnef (PTS)wheezy1.5-4fixed
wheezy (security)1.5-4+deb7u1fixed
jessie1.5-6vulnerable
stretch, sid1.9.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libytnefsource(unstable)1.9.1-1medium
libytnefsourcewheezy(not affected)

Notes

[wheezy] - libytnef <not-affected> (vulnerable code not present)
https://www.x41-dsec.de/lab/advisories/x41-2017-002-ytnef/
http://www.openwall.com/lists/oss-security/2017/02/15/4
fixed in https://github.com/Yeraze/ytnef/commit/b36d6b25b7a546fc28d6c3812124e487987a4910

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