CVE-2023-36845
Junos OS: EX and SRX Series: A PHP vulnerability in J-Web allows an unauthenticated to control an important environment variable
In short
A flaw in Juniper's J-Web interface allows attackers to run malicious code on EX and SRX network devices without logging in. By sending a specially crafted request, an attacker can change how PHP executes and inject harmful commands.
Technical detail
CVE-2023-36845 is a PHP External Variable Modification (CWE-473) vulnerability in J-Web affecting Junos OS on EX and SRX Series. An unauthenticated attacker can craft HTTP requests that manipulate the PHPRC environment variable, enabling arbitrary code execution with the privileges of the web service. The vulnerability requires network access to the J-Web interface but no authentication or user interaction.
Summary generated and translated by AI from the official description.
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Juniper Networks · Junos OSpublic PoCs found — 20
githubgithub.com/vulncheck-oss/cve-2023-36845-scanner★ 62githubgithub.com/kljunowsky/CVE-2023-36845★ 55githubgithub.com/Asbawy/Automation-for-Juniper-cve-2023-36845★ 19githubgithub.com/ak1t4/CVE-2023-36845★ 5githubgithub.com/cyberh3als/CVE-2023-36845-POC★ 4githubgithub.com/zaenhaxor/CVE-2023-36845★ 3githubgithub.com/simrotion13/CVE-2023-36845★ 1githubgithub.com/halencarjunior/CVE-2023-36845★ 1githubgithub.com/jahithoque/Juniper-CVE-2023-36845-Mass-Hunting★ 1githubgithub.com/0xNehru/CVE-2023-36845-Juniper-Vulnerability★ 1githubgithub.com/e11i0t4lders0n/CVE-2023-36845★ 1githubgithub.com/CharonDefalt/Juniper-exploit-CVE-2023-36845★ 0githubgithub.com/cyb3rzest/Juniper-Bug-Automation-CVE-2023-36845★ 0githubgithub.com/iveresk/CVE-2023-36845-6-★ 0githubgithub.com/ifconfig-me/CVE-2023-36845★ 0githubgithub.com/kopfjager007/CVE-2023-36845★ 0githubgithub.com/P4x1s/ansible-cve-2023-36845★ 0githubgithub.com/Vignesh2712/Automation-for-Juniper-cve-2023-36845★ 0cve_referencepacketstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.htmlunverifiedcve_referencepacketstormsecurity.com/files/176969/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.htmlunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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http://packetstormsecurity.com/files/174865/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/176969/Juniper-SRX-Firewall-EX-Switch-Remote-Code-Execution.htmlhttps://supportportal.juniper.net/JSA72300https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-36845