Input validation error in Juniper Junos OS - CVE-2023-36844

 

Input validation error in Juniper Junos OS - CVE-2023-36844

Published: August 18, 2023 / Updated: November 13, 2023


Vulnerability identifier: #VU79687
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2023-36844
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Juniper Networks, Inc.
Affected software:
Juniper Junos OS

Detailed vulnerability description

The vulnerability allows a remote attacker to modify application behavior.

The vulnerability exists due to insufficient validation of user-supplied input in J-Web. A remote attacker can modify values of certain PHP environments variables and modify application's behavior.

Successful exploitation of the vulnerability can lead to remote code execution.


How to mitigate CVE-2023-36844

Install updates from vendor's website.

Sources