CVE-2016-9380

The 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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
LOCAL
HIGH
LOW
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
VendorProductVersion
xenxen
*
citrixxenserver
6.0.2
citrixxenserver
6.2.0
citrixxenserver
6.5
citrixxenserver
7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
xen
bullseye
4.14.6-1
fixed
bullseye (security)
4.14.5+94-ge49571868d-1
fixed
bookworm
4.17.3+10-g091466ba55-1~deb12u1
fixed
sid
4.17.3+36-g54dacb5c02-1
fixed
trixie
4.17.3+36-g54dacb5c02-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
xen
zesty
Fixed 4.8.0-1ubuntu1
released
yakkety
Fixed 4.7.0-0ubuntu2.1
released
xenial
Fixed 4.6.0-1ubuntu4.3
released
trusty
Fixed 4.4.2-0ubuntu0.14.04.9
released
precise
Fixed 4.1.6.1-0ubuntu0.12.04.13
released
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/94473
http://www.securitytracker.com/id/1037347
http://xenbits.xen.org/xsa/advisory-198.html
http://xenbits.xen.org/xsa/xsa198.patch
https://security.gentoo.org/glsa/201612-56
https://support.citrix.com/article/CTX218775
http://www.securityfocus.com/bid/94473
http://www.securitytracker.com/id/1037347
http://xenbits.xen.org/xsa/advisory-198.html
http://xenbits.xen.org/xsa/xsa198.patch
https://security.gentoo.org/glsa/201612-56
https://support.citrix.com/article/CTX218775