CVE-2016-9379

xen: delimiter injection vulnerabilities in pygrub (XSA-198)

Published Jan 23, 2017 CVSS 3.0 · 7.9 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-720-1 xen security update
Debian DSA Debian DSA DSA-3729-1 xen security update
EUVD EUVD EUVD-2016-10189 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.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 6, 2024, 2:50 AM
Reserved
Nov 17, 2016, 12:00 AM
Status
Modified
Published
Jan 23, 2017, 9:59 PM
Modified
Jun 17, 2026, 12:55 AM
Severity
Moderate
Public date
Nov 22, 2016, 12:00 AM