QID 378328

Date Published: 2023-04-10

QID 378328: IBM Hypertext Transfer Protocol (HTTP) Server Bypass Access Control Vulnerabilty (6963650)

Apache HTTP Server is vulnerable to HTTP request splitting attacks, caused by an error when mod_proxy is enabled along with some form of RewriteRule or ProxyPassMatch.

Affected Versions:
IBM HTTP Server V9.0.0.0 through 9.0.5.15
IBM HTTP Server V8.5.0.0 through 8.5.5.23
QID Detection Logic (Authenticated):
Operating System: Windows
The QID checks the key "HKLM\SYSTEM\CurrentControlSet\Services" to see if IBM HTTP vulnerable version installed on the host or not.

QID Detection Logic (Authenticated):
Operating System: Linux
The QID checks the vulnerable version IBM HTTP Server. "version.signature" is used to verify the version.

A remote attacker could exploit this vulnerability to bypass access controls in the proxy server, proxying unintended URLs to existing origin servers, and cache poisoning.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as Medium - 5.8 severity.

Solution

The vendor has released advisories and updates to fix these vulnerabilities. Refer to the following link for further details: 6963650

Vendor References

6963650 - www.ibm.com/support/pages/node/6963650

CVEs related to QID 378328

CVE-2023-25690 |

Software Advisories

Advisory ID	Software	Component	Link
6963650			www.ibm.com/support/pages/node/6963650

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