Security Bulletin: CVE-2022-41723 and CVE-2022-41721 may affect IBM CICS TX Advanced

2023-05-2316:24:42

www.ibm.com

ibm cics tx advanced

cve-2022-41723

cve-2022-41721

http/2

denial of service

request smuggling

upgrades

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.024 Low

EPSS

Percentile

90.0%

JSON

Summary

CVE CVE-2022-41723 and CVE-2022-41721 may affect IBM CICS TX Advanced. IBM CICS TX Advanced has addressed the applicable CVEs. Relevant Go related packages have been upgraded.

Vulnerability Details

CVEID:CVE-2022-41723
**DESCRIPTION:**Golang Go is vulnerable to a denial of service, caused by a flaw in the HPACK decoder. By sending a specially-crafted HTTP/2 stream, a remote attacker could exploit this vulnerability to cause excessive CPU consumption, and results in a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/247965 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-2022-41721
**DESCRIPTION:**Golang Go is vulnerable to HTTP request smuggling, caused by a flaw when using MaxBytesHandler. 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/244775 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)