SB2018042512 - Symlink attack in Red Hat Gluster Storage Server
Published: April 25, 2018
Security Bulletin ID
SB2018042512
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) Symlink attack (CVE-ID: CVE-2018-1088)
The vulnerability allows an adjacent unauthenticated attacker to gain elevated privileges on the target system.The weakness exists in the snapshot scheduler due to improper security restrictions during the mounting of gluster volumes. An adjacent attacker can access a gluster node, perform symbolic link attack that is designed to schedule malicious cronjobs and gain root privileges.
Remediation
Install update from vendor's website.