Security Bulletin: Multiple vulnerabilities in Golang affect IBM Cloud Pak System

Summary

Multiple vulnerabilities found in Golang affect Cloud Pak System. IBM Cloud Pak System has addressed those vulnerabilities.

Vulnerability Details

CVEID:CVE-2022-32189
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by a flaw in Float.GobDecode and Rat GobDecode in math/big. By sending a specially-crafted message, 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/233149 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-2022-30631
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by an uncontrolled recursion flaw in Reader.Read in compress/gzip due to stack exhaustion. By parsing a specially-crafted compressed file, 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/233144 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-2022-30630
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by an uncontrolled recursion flaw in Glob in io/fs due to stack exhaustion. By sending a specially-crafted request using a path which contains a large number of path separators, 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/233143 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-2022-1705
**DESCRIPTION:**Golang Go is vulnerable to HTTP request smuggling, caused by a flaw with accepting of some invalid Transfer-Encoding headers in the HTTP/1 client in net/http. By sending a specially-crafted HTTP(S) transfer-encoding request header, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/233258 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

CVEID:CVE-2022-30635
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by an uncontrolled recursion flaw in Decoder.Decode in encoding/gob due to stack exhaustion. By sending a specially-crafted message containing deeply nested structures, 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/233147 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

Multiple vulnerabilities in Golang go used in Cloud Pak Systems. In response to those vulnerabilities IBM release Cloud Pak System v2.3.3.6 update Golang Go to v1.19.3. This includes additional the CVEs CVE-2022-2879, CVE-2022-2880, CVE-2022-41715, and additional CVE-2022-41716.

For IBM Cloud Pak System v2.3.3.0, v2.3.3.1, v2.3.3.2, v2.3.3.3, v2.3.3.3 Interim Fix1, v2.3.3.4, v2.3.3.5,

Upgrade to Cloud Pak System v2.3.3.6 available at FixCentral.

Information on upgrading at : <http://www.ibm.com/support/docview.wss?uid=ibm10887959&gt;

Workarounds and Mitigations

None