SB2023102470 - Multiple vulnerabilities in JumpServer

Description

This security bulletin contains information about 2 vulnerabilities.

1) Weak Password Recovery Mechanism for Forgotten Password (CVE-ID: CVE-2023-46138)

CWE-ID: CWE-640 - Weak password recovery mechanism

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to use of an unregistered default email address in password reset functionality when processing password reset operations for the default admin account. A remote attacker can register the referenced domain to disrupt password reset functionality and cause a denial of service.

The issue affects the initial admin account that uses the default email address admin@mycompany.com.

2) Use of Less Trusted Source (CVE-ID: CVE-2023-46123)

CWE-ID: CWE-348 - Use of Less Trusted Source

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to bypass password brute-force protections and disclose sensitive information.

The vulnerability exists due to use of a less trusted source in the Core API authentication endpoint when handling authentication requests that supply client IP address values. A remote attacker can send specially crafted requests with spoofed X-Forwarded-For or remote_addr values to bypass password brute-force protections and disclose sensitive information.

Remediation

Install update from vendor's website.

References

• https://github.com/jumpserver/jumpserver/security/advisories/GHSA-9mrc-75cv-46cq
• https://github.com/jumpserver/jumpserver/security/advisories/GHSA-hvw4-766m-p89f