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CVE-2016-9379

Published: 23 January 2017

The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes and S-expressions in the bootloader configuration file.

Notes

AuthorNote
mdeslaur
This is XSA-198
tyhicks
issue present in xen-utils-4.x binary packages which are in
universe

Priority

Low

CVSS 3 base score: 7.9

Status

Package Release Status
xen
Launchpad, Ubuntu, Debian
upstream Needed

precise Does not exist
(precise was released [4.1.6.1-0ubuntu0.12.04.13])
trusty Does not exist
(trusty was released [4.4.2-0ubuntu0.14.04.9])
xenial
Released (4.6.0-1ubuntu4.3)
yakkety
Released (4.7.0-0ubuntu2.1)
zesty
Released (4.8.0-1ubuntu1)
Binaries built from this source package are in Universe and so are supported by the community.