SB2024021206 - Multiple vulnerabilities in Istio
Published: February 12, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2024-23322)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error when idle and request per try timeout occur within the backoff interval. A remote attacker can cause a denial of service condition on the target system.
2) Inefficient CPU Computation (CVE-ID: CVE-2024-23323)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to the excessive CPU usage when URI template matcher is configured using regex. A remote attacker can perform a denial of service (DoS) attack.
3) Improper Authentication (CVE-ID: CVE-2024-23324)
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an authentication bypass when proxy protocol filter sets invalid UTF-8 metadata. A remote attacker can bypass external authentication by downstream connections that use PROXY protocol.
4) Uncaught Exception (CVE-ID: CVE-2024-23325)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to uncaught exception in proxy protocol when using an address type that is not supported by the OS. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
5) NULL pointer dereference (CVE-ID: CVE-2024-23327)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in proxy protocol when command type of LOCAL. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.