SB2023111021 - Multiple vulnerabilities in IBM Business Automation Workflow

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Main Vulnerability Database SB2023111021

SB2023111021 - Multiple vulnerabilities in IBM Business Automation Workflow

Published: November 10, 2023

Security Bulletin ID SB2023111021
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2023-40167)

The vulnerability allows a remote attacker to perform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests when handling the "+" character passed via the HTTP/1 header field. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.


2) Integer overflow (CVE-ID: CVE-2023-36478)

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

The vulnerability exists due to integer overflow in MetaDataBuilder.checkSize when handling HTTP/2 HPACK header values. A remote attacker can send specially crafted request to the server, trigger an integer overflow and crash the server.


Remediation

Install update from vendor's website.

References