CVE-2023-36845

Vulnerability ID

CVE-2023-36845

Severity

CRITICAL

Severity Score

9.8

Summary

A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series and SRX Series allows an unauthenticated, network-based attacker to remotely execute code. Using a crafted request which sets the variable PHPRC an attacker is able to modify the PHP execution environment allowing the injection und execution of code. This issue affects Juniper Networks Junos OS on EX Series and SRX Series: * All versions prior to 20.4R3-S9; * 21.1 versions 21.1R1 and later; * 21.2 versions prior to 21.2R3-S7; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S5; * 22.1 versions prior to 22.1R3-S4; * 22.2 versions prior to 22.2R3-S2; * 22.3 versions prior to 22.3R2-S2, 22.3R3-S1; * 22.4 versions prior to 22.4R2-S1, 22.4R3; * 23.2 versions prior to 23.2R1-S1, 23.2R2.

References

https://supportportal.juniper.net/JSA72300

http://packetstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.html

http://packetstormsecurity.com/files/176969/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.html

Mitigation and Patches

https://supportportal.juniper.net/JSA72300

Exploits

https://github.com/vulncheck-oss/cve-2023-36845-scanner

https://github.com/kljunowsky/CVE-2023-36845

https://github.com/Asbawy/Automation-for-Juniper-cve-2023-36845

https://github.com/ak1t4/CVE-2023-36845

https://github.com/zaenhaxor/CVE-2023-36845