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Remote code execution [CVE-2023-36845]

Critical
M
MTN Group
Submitted None
Reported by m4lc0lmx

Vulnerability Details

Technical details and impact analysis

### CVE-2023-36845 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 control certain, important environments variables. Utilizing a crafted request an attacker is able to modify a certain PHP environment variable leading to partial loss of integrity, ## POC : with curl 41.205.30.222 = host-41.205.30.222.mtn.cm ``` curl -sk "https://41.205.30.222/?PHPRC=/dev/fd/0" -X POST -d 'auto_prepend_file="/etc/passwd"' ``` {F2727487} ## Impact CVE-2023-36845 that allows an unauthenticated and remote attacker to execute arbitrary code on Juniper firewalls without creating a file on the system.

Related CVEs

Associated Common Vulnerabilities and Exposures

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 …

Report Details

Additional information and metadata

State

Closed

Substate

Resolved

Submitted