SB2022071407 - Infinite loop in IBM MQ Appliance
Published: July 14, 2022
Security Bulletin ID
SB2022071407
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) Infinite loop (CVE-ID: CVE-2022-0778)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the BN_mod_sqrt() function when processing an ASN.1 certificate that contains elliptic curve public keys in compressed form or explicit elliptic curve parameters with a base point encoded in compressed form. A remote attacker can supply a specially crafted certificate to the TLS server or client, consume all available system resources and cause denial of service conditions.
Remediation
Install update from vendor's website.
References
- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-mq-appliance-affected-by-an-openssl-vulnerability-cve-2022-0778/"
- https://www.ibm.com/blogs/psirt/security-bulletin-ibm-mq-appliance-affected-by-an-openssl-vulnerability-cve-2022-0778/</a><br><a
- https://www.ibm.com/support/pages/node/6602565"
- https://www.ibm.com/support/pages/node/6602565</a><br><br><br></p>