SB2022053111 - Debian update for trafficserver
Published: May 31, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2021-37147)
The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.
The vulnerability exists due to improper validation of 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.
2) Inconsistent interpretation of HTTP requests (CVE-ID: CVE-2021-37148)
The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.
The vulnerability exists due to improper validation of 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-2021-37149)
The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.
The vulnerability exists due to improper validation of 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.
4) Improper Certificate Validation (CVE-ID: CVE-2021-38161)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to improper verification of TLS origin. A remote attacker can intercept and decrypt traffic from clients.
5) Input validation error (CVE-ID: CVE-2021-44040)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation when processing requsts. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
6) Improper Authentication (CVE-ID: CVE-2021-44759)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in TLS origin validation. A remote attacker can perform MitM attack and bypass authentication process.
Remediation
Install update from vendor's website.