CVE-2016-8637

NameCVE-2016-8637
DescriptionA local information disclosure issue was found in dracut before 045 when generating initramfs images with world-readable permissions when 'early cpio' is used, such as when including microcode updates. Local attacker can use this to obtain sensitive information from these files, such as encryption keys or credentials.
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)
Debian Bugs843697

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dracut (PTS)jessie040+1-1vulnerable
stretch044+241-3fixed
buster, sid047+31-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dracutsource(unstable)044+189-1low843697
dracutsourcewheezy(not affected)

Notes

[jessie] - dracut <no-dsa> (Minor issue)
[wheezy] - dracut <not-affected> (Introduced in 030 upstream)
Fixed by: http://git.kernel.org/cgit/boot/dracut/dracut.git/commit/?id=0db98910a11c12a454eac4c8e86dc7a7bbc764a4
Introduced by: http://git.kernel.org/cgit/boot/dracut/dracut.git/commit/?id=5f2c30d9bcd614d546d5c55c6897e33f88b9ab90 (030)

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