CVE-2016-9379
High
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.
SeverityHigh
CVSS7.9
Exploit probability—
Product
Xen
PublishedJan 23, 2017
First seenJan 23, 2017
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xen xen | No range specified | — |
| citrix xenserver | 6.0.2, 6.2.0, 6.5, 7.0 | — |
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