CVE-2023-36844

Description

A PHP External Variable Modification vulnerability in J-Web of Juniper Networks Junos OS on EX Series 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. This issue affects Juniper Networks Junos OS on EX 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 22.3R3-S1; * 22.4 versions

prior to

22.4R2-S2, 22.4R3; * 23.2 versions prior to

23.2R1-S1, 23.2R2.

Juniper Networks, Inc.

Severity: MEDIUM
CVE ID: CVE-2023-36844
CVSS Score: 5.3
CVSS Metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Refrence: NVDMITRE

Proof Of Concept

Nuclei Templates for CVE-2023-36844

Refrence: Project Discovery GitHub

watchtowrlabs

Refrence: GitHub

ThatNotEasy

Perform With Massive Juniper Remote Code Execution

Refrence: GitHub

r3dcl1ff

A Proof of Concept for chaining the CVEs [CVE-2023-36844, CVE-2023-36845, CVE-2023-36846, CVE-2023-36847] to achieve Remote Code Execution (phpinfo) in Juniper JunOS within SRX and EX Series products.Modified from original exploit developed by @watchTowr .

Refrence: GitHub