CVE-2016-9380
UnknownEPSS 0.42%
Last modified
CVE-2016-9380 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xen | Xen | All versions |
| Citrix | Xenserver | 6.0.2 |
| Citrix | Xenserver | 6.2.0 |
| Citrix | Xenserver | 6.5 |
| Citrix | Xenserver | 7.0 |
References
- http://www.securityfocus.com/bid/94473Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037347Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-198.htmlPatch, Vendor Advisory
- http://xenbits.xen.org/xsa/xsa198.patchPatch, Vendor Advisory
- https://support.citrix.com/article/CTX218775Patch, Third Party Advisory
- http://www.securityfocus.com/bid/94473Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1037347Third Party Advisory, VDB Entry
- http://xenbits.xen.org/xsa/advisory-198.htmlPatch, Vendor Advisory
- http://xenbits.xen.org/xsa/xsa198.patchPatch, Vendor Advisory
- https://support.citrix.com/article/CTX218775Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-9380?
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 severe is CVE-2016-9380?
Severity scoring for CVE-2016-9380 is pending analysis. The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.
How do I fix CVE-2016-9380?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2016-9380?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST