CVE-2016-9380
7.5
HIGH
CVSS 3.1
EPSS 0.09%
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.
How to fix CVE-2016-9380
To remediate CVE-2016-9380, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.7.1-r1 or later
- Debian/xen—upgrade to 4.8.0-1 or later
Is CVE-2016-9380 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.7.1-r1
- from 0, < 4.8.0-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N |