SB2022120402 - Denial of service in IBM Event Streams
Published: December 4, 2022
Security Bulletin ID
SB2022120402
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2022-36083)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the way application handles untrusted JWE tokens A remote attacker can trigger pass the PBKDF2-based JWE key with an extremely high PBES2 Count value and consume significant amount of CPU time, resulting in a denial of service conditions.
Remediation
Install update from vendor's website.
References
- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-the-node-js-jose-module-affects-ibm-event-streams-cve-2022-36083/"
- https://www.ibm.com/blogs/psirt/security-bulletin-vulnerability-in-the-node-js-jose-module-affects-ibm-event-streams-cve-2022-36083/</a><br>
- https://www.ibm.com/support/pages/node/6825541<br><br></p>