SB2018102935 - Privilege escalation in xorg-server (Alpine package)
Published: October 29, 2018
Security Bulletin ID
SB2018102935
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Privilege escalation (CVE-ID: CVE-2018-14665)
The vulnerability allows a local user to gain elevated privileges on the target system.
The vulnerability exists due to improper handling of two command-line options, namely -logfile and -modulepath. A local user can specify a '-modulepath' argument with an insecure path to create, overwrite or delete any files with root privileges.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=7ef7c7225e8892f60a63c6242fb4546ecd42f1ae
- https://git.alpinelinux.org/aports/commit/?id=8e700dfc5cc2199f06163864d60d559cacd453cd
- https://git.alpinelinux.org/aports/commit/?id=200ed130cd6de4484176410175e321c8dfc55f09
- https://git.alpinelinux.org/aports/commit/?id=4c35866610d06281e3d5d1717fb264f69ff2aac0
- https://git.alpinelinux.org/aports/commit/?id=9ab208679bc4ae87c012980f6cc3ac7c7cbda918
- https://git.alpinelinux.org/aports/commit/?id=aa79b6b19b8d17276a444f0c17c1c3a3742f3ef8