SB2025032879 - Anolis OS update for squid:4 module
Published: March 28, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Uncontrolled Recursion (CVE-ID: CVE-2023-50269)
The vulnerability allows a remote client to perform a denial of service (DoS) attack.
The vulnerability exists due to uncontrolled recursion when parsing HTTP requests. A remote client can send a specially crafted HTTP request with the a large X-Forwarded-For header, when the follow_x_forwarded_for feature is configured, and perform a denial of service (DoS) attack.
2) Uncontrolled recursion (CVE-ID: CVE-2024-25111)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an uncontrolled recursion within the HTTP Chunked decoder when handling HTTP requests. A remote attacker can send a specially crafted chunked encoded HTTP Message to the proxy server and perform a denial of service (DoS) attack.
3) Input validation error (CVE-ID: CVE-2024-25617)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of HTTP headers. A remote attacker can send a specially crafted HTTP request to the server and perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability requires that the request_header_max_size or reply_header_max_size settings are
unchanged from the default.
Remediation
Install update from vendor's website.