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

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

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