Improper Input Validation The advisory has been revoked - it doesn't affect any version of package xen (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ALPINE38-XEN-367090
- published23 Jan 2017
- disclosed23 Jan 2017
Introduced: 23 Jan 2017
CVE-2016-9380 (opens in a new tab)Amendment
The Alpine security team deemed this advisory irrelevant for Alpine:3.8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream xen package and not the xen package as distributed by Alpine.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2016-9380
- https://security.gentoo.org/glsa/201612-56
- https://support.citrix.com/article/CTX218775
- http://xenbits.xen.org/xsa/advisory-198.html
- http://xenbits.xen.org/xsa/xsa198.patch
- http://www.securityfocus.com/bid/94473
- http://www.securitytracker.com/id/1037347
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2016-9380