SB2022120402 - Denial of service in IBM Event Streams
Published: December 4, 2022
Security Bulletin ID
SB2022120402
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2022-36083)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
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.