CVE-2016-9380

NameCVE-2016-9380
DescriptionThe pygrub boot loader emulator in Xen, when nul-delimited output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via NUL bytes in the bootloader configuration 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)
ReferencesDLA-720-1, DSA-3729-1
NVD severitymedium
Debian Bugs845670

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
xen (PTS)stretch (security), stretch4.8.5.final+shim4.10.4-1+deb9u12fixed
buster4.11.4+57-g41a822c392-2fixed
buster (security)4.11.4+99-g8bce4698f6-1fixed
bullseye, sid4.14.1+11-gb0b734a8b3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
xensourcewheezy4.1.6.lts1-4DLA-720-1
xensourcejessie4.4.1-9+deb8u8DSA-3729-1
xensource(unstable)4.8.0-1845670

Notes

https://xenbits.xen.org/xsa/advisory-198.html

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