Security Bulletin
Summary
OpenSSL is vulnerable to a denial of service due to a flaw in the BN_mod_sqrt() function as described in the vulnerability details section. IBM i has addressed the vulnerability in OpenSSL with a fix as described in the remediation/fixes section.
Vulnerability Details
CVEID: CVE-2022-0778
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
Affected Product(s) | Version(s) |
IBM i | 7.4 |
IBM i | 7.3 |
IBM i | 7.2 |
Remediation/Fixes
IBM i Release | 5733-SC1 PTF Number | PTF Download Link |
7.4, 7.3, 7.2 | SI79260 | Fix Central |
https://www.ibm.com/support/fixcentral
Important note: IBM recommends that all users running unsupported versions of affected products upgrade to supported and fixed version of affected products.
Workarounds and Mitigations
None
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References
Acknowledgement
Change History
14 Apr 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.
Disclaimer
Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.
Document Location
Worldwide
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Document Information
Modified date:
14 April 2022
UID
ibm16572439