OpenSSL as used by IBM QRadar SIEM is vulnerable to denial of service. IBM has addressed the relevant CVE.
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a flaw in the BN_mod_sqrt() function when parsing certificates. By using a specially-crafted certificate with invalid explicit curve parameters, a remote attacker could exploit this vulnerability to cause an infinite loop, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/221911 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
|IBM QRadar SIEM||7.3.0 - 7.3.3 Fix Pack 11|
|IBM QRadar SIEM||7.4.0 - 7.4.3 Fix Pack 5|
|IBM QRadar SIEM||7.5.0 - 7.5.0 Update Pack 1|
IBM encourages customers to update their systems promptly.
|IBM QRadar SIEM||7.3||7.3.3 Fix Pack 12|
|IBM QRadar SIEM||7.4||7.4.3 Fix Pack 6|
|IBM QRadar SIEM||7.5||7.5.0 Update Pack 2|
Workarounds and Mitigations
Get Notified about Future Security Bulletins
20 Jul 2022: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
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26 July 2022