SB2024011081 - Multiple vulnerabilities in Ivanti Connect Secure and Ivanti Policy Secure gateways

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) Improper Authentication (CVE-ID: CVE-2023-46805)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error when processing authentication requests. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Note, the vulnerability is being actively exploited in the wild.

2) OS Command Injection (CVE-ID: CVE-2024-21887)

The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote authenticated administrator can pass specially crafted data to the application and execute arbitrary OS commands on the target system. However this vulnerability can be exploited by a non-authenticated attacker using authentication bypass vulnerability #VU85286 (CVE-2023-46805).

Note, the vulnerability is being actively exploited in the wild.

3) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2024-21893)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input within the SAML component. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

4) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2024-21888)

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due to improperly imposed security restrictions in the web interface. A remote user can bypass implemented security restrictions and gain administrative privileges.

Remediation

Install update from vendor's website.

References

• https://forums.ivanti.com/s/article/CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US
• https://forums.ivanti.com/s/article/KB-CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US