CVE-2016-9379
xen - security update
7.9
HIGH
CVSS 3.1
EPSS 0.10%
Description
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.
How to fix CVE-2016-9379
To remediate CVE-2016-9379, upgrade the affected package to a fixed version below.
- Alpine/xen—upgrade to 4.7.1-r1 or later
- —upgrade to 4.8.0-1 or later
- —upgrade to 4.1.6.lts1-4 or later
Is CVE-2016-9379 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 4.7.1-r1
- from 0, < 4.8.0-1
- from 0, < 4.1.6.lts1-4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.9 | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N |