SB2021071907 - Multiple vulnerabilities in HashiCorp Consul
Published: July 19, 2021
Security Bulletin ID
SB2021071907
Severity
Medium
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Improper Certificate Validation (CVE-ID: CVE-2021-32574)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to xds does not ensure that the Subject Alternative Name of an upstream is validated. A remote attacker can perform a man-in-the-middle (MitM) attack.
2) Input validation error (CVE-ID: CVE-2021-36213)
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to the xds can generate a situation where a single L7 deny intention (with a default deny policy) results in an allow action.
Remediation
Install update from vendor's website.