CVE-2016-9380

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N

Weakness enumeration

CWE-20

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.securityfocus.com/bid/94473Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037347Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-198.htmlPatch, Vendor Advisory
http://xenbits.xen.org/xsa/xsa198.patchPatch, Vendor Advisory
https://security.gentoo.org/glsa/201612-56
https://support.citrix.com/article/CTX218775Patch, Third Party Advisory
http://www.securityfocus.com/bid/94473Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1037347Third Party Advisory, VDB Entry
http://xenbits.xen.org/xsa/advisory-198.htmlPatch, Vendor Advisory
http://xenbits.xen.org/xsa/xsa198.patchPatch, Vendor Advisory
https://security.gentoo.org/glsa/201612-56
https://support.citrix.com/article/CTX218775Patch, Third Party Advisory

Timeline

Published: Jan 23, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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