SB2019060423 - Red Hat Enterprise Linux 7 Extras update for etcd
Published: June 4, 2019
Security Bulletin ID
SB2019060423
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Authentication (CVE-ID: CVE-2018-16886)
The vulnerability allows a remote user to bypass authentication process.
The vulnerability exists due to an improper authentication issue when role-based access control (RBAC) is used and client-cert-auth is enabled. A remote user can authenticate as user with any valid (trusted) client certificate in a REST API request to the gRPC-gateway.
Remediation
Install update from vendor's website.