SB2023111622 - Integer overflow in IBM Integration Bus
Published: November 16, 2023
Security Bulletin ID
SB2023111622
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) Integer overflow (CVE-ID: CVE-2023-36478)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to integer overflow in MetaDataBuilder.checkSize when handling HTTP/2 HPACK header values. A remote attacker can send specially crafted request to the server, trigger an integer overflow and crash the server.
Remediation
Install update from vendor's website.