SB2023052413 - Improperly controlled modification of object prototype attributes in IBM App Connect Enterprise and IBM Integration Bus



SB2023052413 - Improperly controlled modification of object prototype attributes in IBM App Connect Enterprise and IBM Integration Bus

Published: May 24, 2023

Security Bulletin ID SB2023052413
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) Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') (CVE-ID: CVE-2023-0842)

CWE-ID: CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes (\'Prototype Pollution\')

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


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

The vulnerability exists due to application does not properly validate incoming JSON keys, thus allowing the __proto__ property to be edited. A remote unauthenticated attacker can edit or add new properties to an object to execute arbitrary code on the target system.


Remediation

Install update from vendor's website.