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Security Bulletin: z/TPF is affected by an OpenSSL vulnerability

Security Bulletin


Summary

The z/TPF version of OpenSSL was updated to address the vulnerability described by CVE-2020-1971.

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 ProductVersion
z/Transaction Processing Facility1.1

Remediation/Fixes

ProductVRMFAPARRemediation/First Fix
 z/TPF1.1PJ46385Apply the APAR, which is available for download from the TPF Family Products: Maintenance web page.
 

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

17 Dec 2020: 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

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSZL53","label":"z\/Transaction Processing Facility (TPF)"},"Component":"","Platform":[{"code":"PF036","label":"z\/TPF"}],"Version":"1.1","Edition":"","Line of Business":{"code":"LOB35","label":"Mainframe SW"}}]

Document Information

Modified date:
17 December 2020

Initial Publish date:
17 December 2020

UID

ibm16386504