high7.9
CVE-2016-9379
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 arbit…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Xen | Xen | All versions |
| Citrix | Xenserver | Versions 6.0.2, 6.2.0, 6.5, 7.0 |
Weakness classification
References
- NVD record
- CVE.org record
- http://www.securityfocus.com/bid/94473
- http://www.securitytracker.com/id/1037347
- http://xenbits.xen.org/xsa/advisory-198.html
- http://xenbits.xen.org/xsa/xsa198.patch
- https://security.gentoo.org/glsa/201612-56
- https://support.citrix.com/article/CTX218775
- http://www.securityfocus.com/bid/94473
- http://www.securitytracker.com/id/1037347
- http://xenbits.xen.org/xsa/advisory-198.html
- http://xenbits.xen.org/xsa/xsa198.patch
- https://security.gentoo.org/glsa/201612-56
- https://support.citrix.com/article/CTX218775