Input validation error in Xen - CVE-2016-9380
Published: January 23, 2017 / Updated: July 28, 2020
Vulnerability identifier: #VU32217
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:U/U:Clear
CVE-ID: CVE-2016-9380
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Xen Project
Affected software:
Xen
Xen
Detailed vulnerability description
The vulnerability allows a local authenticated user to read and manipulate data.
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.
How to mitigate CVE-2016-9380
Install update from vendor's website.