SB2023030731 - HTTP response splitting vulnerabilities in Apache HTTP Server

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) HTTP response splitting (CVE-ID: CVE-2023-25690)

The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not correclty process CRLF character sequences in mod_rewrite and mod_proxy. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.

2) HTTP response splitting (CVE-ID: CVE-2023-27522)

The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not correclty process CRLF character sequences in mod_proxy_uwsgi. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.

Remediation

Install update from vendor's website.

References

• https://httpd.apache.org/security/vulnerabilities_24.html