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Security Bulletin: OpenSSL for IBM i is affected by CVE-2020-1971

Security Bulletin


Summary

OpenSSL is used by IBM i. IBM i has addressed the applicable CVE.

Vulnerability Details

CVEID:   CVE-2020-1971
DESCRIPTION:   OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference. If the GENERAL_NAME_cmp function contain an EDIPARTYNAME, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192748 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 i7.4
IBM i7.3
IBM i7.2
IBM i7.1

Remediation/Fixes

The issues can be fixed by applying a PTF to IBM i.  Releases 7.4 7.3, 7.2 and 7.1 of IBM i are supported and will be fixed. 

The IBM i PTF numbers are:
Release 7.1 – SI75116
Release 7.2, 7.3 & 7.4 – SI75117
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

Get Notified about Future Security Bulletins

References

Off

Change History

11 Jan 2021: 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:
11 January 2021

UID

ibm16402519