Juniper Junos OS EX Series PHP External Variable Modification Vulnerability
Juniper — Junos OS
- Added to KEV catalog
- 13 November 2023
- Federal remediation due date
- 17 November 2023
- Weakness classification (CWE)
- CWE-473
CISA Description
Juniper Junos OS on EX Series contains a PHP external variable modification vulnerability that allows an unauthenticated, network-based attacker to control certain, important environment variables. Using a crafted request an attacker is able to modify certain PHP environment variables, leading to partial loss of integrity, which may allow chaining to other vulnerabilities.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Notes
https://supportportal.juniper.net/s/article/2023-08-Out-of-Cycle-Security-Bulletin-Junos-OS-SRX-Series-and-EX-Series-Multiple-vulnerabilities-in-J-Web-can-be-combined-to-allow-a-preAuth-Remote-Code-Execution?language=en_US ; https://nvd.nist.gov/vuln/detail/CVE-2023-36844
More Juniper Vulnerabilities
Juniper ScreenOS Improper Authentication Vulnerability
Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability
Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vulnerability
Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability
Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability
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