SB2023031617 - Multiple vulnerabilities in IBM CICS Transaction Gateway



SB2023031617 - Multiple vulnerabilities in IBM CICS Transaction Gateway

Published: March 16, 2023

Security Bulletin ID SB2023031617
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2022-45693)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack..

The vulnerability exists due to a boundary error when processing data passed via the map parameter. A remote attacker can pass specially crafted input to the application, trigger an out-of-bounds write and perform a denial of service (DoS) attack.

2) Incorrect default permissions (CVE-ID: CVE-2022-4568)

CWE-ID: CWE-276 - Incorrect Default Permissions

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A local user with access to the system can escalate privileges on the system.


3) Out-of-bounds write (CVE-ID: CVE-2022-45685)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack..

The vulnerability exists due to a boundary error when processing crafted JSON data. A remote attacker can pass specially crafted input to the application, trigger an out-of-bounds write and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.