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Security Bulletin: A vulnerabilty in encoding/unicode in the UTF-16 decoder has been found in x/text package before v0.3.3 for Go that could lead to an infinite loop and denial of service, affecting IBM Cloud Pak for Applications

Security Bulletin


Summary

A vulnerabilty in encoding/unicode in the UTF-16 decoder has been found in x/text package before v0.3.3 for Go that could lead to an infinite loop and denial of service, affecting IBM Cloud Pak for Applications

Vulnerability Details

CVEID:   CVE-2020-14040
DESCRIPTION:   Go Language x/text package is vulnerable to a denial of service, caused by a vulnerability in encoding/unicode in the UTF-16 decoder. By sending a single byte to a UTF16 decoder, a remote attacker could exploit this vulnerability to cause the application to enter into an infinite loop.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/184313 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 Cloud Pak for ApplicationsAll

Remediation/Fixes

IBM Cloud Pak for Applications 4.3.1 uses an updated GO library which no longer exposes this vulnerability.   No separate APAR is provided.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Acknowledgement

Change History

12 Jul 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:
02 August 2021

UID

ibm16471263