CVE-2016-9380: Input Validation
First published: Mon Jan 23 2017(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Xen XAPI | ||
| XenServer | =6.0.2 | |
| XenServer | =6.2.0 | |
| XenServer | =6.5 | |
| XenServer | =7.0 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of CVE-2016-9380?
CVE-2016-9380 is rated as a medium severity vulnerability.
How do I fix CVE-2016-9380?
To fix CVE-2016-9380, apply the recommended patches provided by the Xen Project or Citrix.
Which versions of Xen are affected by CVE-2016-9380?
CVE-2016-9380 affects several versions of Xen, including all versions prior to the security patches released for this vulnerability.
Can CVE-2016-9380 be exploited remotely?
CVE-2016-9380 requires local access to the affected system, so it cannot be exploited remotely.
What types of attacks can be performed using CVE-2016-9380?
Using CVE-2016-9380, an attacker could read or delete arbitrary files on the host via crafted bootloader configuration files.
- agent/references
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/remedy
- agent/severity
- agent/weakness
- agent/last-modified-date
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/xen
- canonical/xen xapi
- vendor/citrix
- canonical/xenserver
- version/xenserver/6.0.2
- version/xenserver/6.2.0
- version/xenserver/6.5
- version/xenserver/7.0