SB2023071318 - Improper verification of cryptographic signature in IBM App Connect Enterprise



SB2023071318 - Improper verification of cryptographic signature in IBM App Connect Enterprise

Published: July 13, 2023

Security Bulletin ID SB2023071318
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2023-22899)

CWE-ID: CWE-347 - Improper Verification of Cryptographic Signature

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


The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to zip4j does not always perform validation of MAC when decrypting a ZIP archive. A remote attacker can submit a malicious archive or tamper with data inside one.


Remediation

Install update from vendor's website.