SB2023092722 - Origin validation error in IBM CICS TX Standard
Published: September 27, 2023
Security Bulletin ID
SB2023092722
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Origin validation error (CVE-ID: CVE-2019-11777)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to when connecting to an MQTT server using TLS and setting a host name verifier, the result of that verification is not checked. A remote attacker can gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.