Security Bulletin: Vulnerabilities in Golang Go affect IBM Event Streams (CVE-2021-38561 and CVE-2021-43565)

Summary

There are vulnerabilities in Golang Go that is used by IBM Event Streams.

Vulnerability Details

CVEID:CVE-2021-38561
**DESCRIPTION:**Golang Go Text is vulnerable to a denial of service, caused by an improper index calculation that allows an incorrectly formatted language tag to panic Parse. A remote attacker could exploit this vulnerability to trigger an out-of-bounds read and cause a denial of service.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219760 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-2021-43565
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by an input validation flaw in golang.org/x/crypto’s readCipherPacket() function. By sending an empty plaintext packet to a program linked with golang.org/x/crypto/ssh, a remote attacker could exploit this vulnerability to cause a panic.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219761 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 vulnerability now by upgrading

Upgrade to IBM Event Streams 11.1.0 by following the upgrading and migrating documentation.

Workarounds and Mitigations

None