Security Bulletin: IBM CICS TX Standard is vulnerable to multiple vulnerabilities in Golang Go.

Summary

IBM CICS TX Standard is vulnerable to multiple vulnerabilities in Golang Go. The fix removes these vulnerabilities from IBM CICS TX Standard.

Vulnerability Details

CVEID:CVE-2020-28852
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by improper input validation while processing a BCP 47 tag in language.ParseAcceptLanguage. By sending a specially-crafted HTTP Accept-Language header, a remote attacker could exploit this vulnerability to cause a slice bounds out of range panic.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/194163 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)

CVEID:CVE-2020-28851
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by improper input validation while parsing the -u- extension in language.ParseAcceptLanguage. By sending a specially-crafted HTTP Accept-Language header, a remote attacker could exploit this vulnerability to cause an index out of range panic.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/194162 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

Remediation/Fixes

IBM strongly recommends addressing the vulnerabilities by downloading and applying the interim fix from the table below.

Product

|

Version

|

Defect

|

Remediation / First Fix

—|—|—|—

IBM CICS TX Standard

|

11.1

|

127799

|

Download the fix from here

Workarounds and Mitigations

None