SB2017102509 - Out-of-bounds write in xen (Alpine package)
Published: October 25, 2017
Security Bulletin ID
SB2017102509
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2017-14316)
The vulnerability allows an adjacent attacker to execute arbitrary code on the host system.The weakness exists due to out-of-bounds array access in the processing of NUMA node parameters. An adjacent attacker can invoke specially crafted hypercalls and execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=902758ce76df95964c0d12e7cea24d7013cecf81
- https://git.alpinelinux.org/aports/commit/?id=9e8bfa9f6da89fa610692d159505391749ab3bdf
- https://git.alpinelinux.org/aports/commit/?id=37a17c61fd9573ea51e77597bf4cd57b127d48ea
- https://git.alpinelinux.org/aports/commit/?id=ccc49b6e6d7e85267b83fd27bbbc66cd4c17417a