SB2023051825 - Multiple vulnerabilities in IBM InfoSphere Information Server 



SB2023051825 - Multiple vulnerabilities in IBM InfoSphere Information Server

Published: May 18, 2023

Security Bulletin ID SB2023051825
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

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

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Integer overflow (CVE-ID: CVE-2022-22976)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in BCrypt class with the maximum work factor (31) for BCryptPasswordEncoder. The encoder does not perform any salt rounds, which weakens encryption capabilities of the software.


2) Improper Authorization (CVE-ID: CVE-2022-22978)

The vulnerability allows a remote attacker to bypass authorization process.

The vulnerability exists due to input validation error when processing untrusted input in applications that are using RegexRequestMatcher with `.` in the regular expression. A remote non-authenticated attacker can bypass authorization checks.


3) Improper Authorization (CVE-ID: CVE-2022-31692)

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to authorization rules bypass via forward or include dispatcher types. A remote attacker can bypass authorization process.


Remediation

Install update from vendor's website.