CVE-2018-18585

NameCVE-2018-18585
Descriptionchmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\0' as its first or second character (such as the "/\0" name).
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)
ReferencesDLA-1555-1
NVD severitymedium
Debian Bugs911637

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libmspack (PTS)jessie0.5-1+deb8u1vulnerable
jessie (security)0.5-1+deb8u4fixed
stretch0.5-1+deb9u3fixed
stretch (security)0.5-1+deb9u2vulnerable
bullseye, sid, buster0.10.1-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libmspacksource(unstable)0.8-1911637
libmspacksourcejessie0.5-1+deb8u3DLA-1555-1
libmspacksourcestretch0.5-1+deb9u3

Notes

https://github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f
https://www.openwall.com/lists/oss-security/2018/10/22/1

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