SB2023111415 - Observable discrepancy in IBM CICS TX Advanced
Published: November 14, 2023
Security Bulletin ID
SB2023111415
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) Observable discrepancy (CVE-ID: CVE-2023-33850)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to timing-based side channel in the RSA Decryption implementation. A remote attacker can send an overly large number of trial messages for decryption and gain unauthorized access to sensitive information on the system.
Remediation
Install update from vendor's website.