SB2022112249 - Multiple vulnerabilities in IBM DataPower Gateway

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2022-32213)

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

The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially-crafted request to lead to HTTP Request Smuggling to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.

2) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2022-32214)

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

The vulnerability exists due to llhttp parser in the http module does not strictly use the CRLF sequence to delimit HTTP requests. 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.

3) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2022-32215)

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

The vulnerability exists due to llhttp parser in the http module does not correctly handle multi-line Transfer-Encoding headers. 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.

Remediation

Install update from vendor's website.

References

• https://www.ibm.com/blogs/psirt/security-bulletin-ibm-datapower-gateway-potentially-vulnerable-to-http-request-smuggling/"
• https://www.ibm.com/blogs/psirt/security-bulletin-ibm-datapower-gateway-potentially-vulnerable-to-http-request-smuggling/</a></p><p>
• https://www.ibm.com/support/pages/node/6840765</p><p><br></p>