A Missing Authentication for Critical Function vulnerability in Juniper Networks Junos OS on SRX Series allows an unauthenticated, network-based attacker to cause limited impact to the file system integrity. With a specific request to user.php that doesn't require authentication an attacker is able to upload arbitrary files via J-Web, leading to a loss of integrity for a certain part of the file system, which may allow chaining to other vulnerabilities. This issue affects Juniper Networks Junos OS on SRX Series: * All versions prior to 20.4R3-S8; * 21.1 versions 21.1R1 and later; * 21.2 versions prior to 21.2R3-S6; * 21.3 versions prior to 21.3R3-S5; * 21.4 versions prior to 21.4R3-S5; * 22.1 versions prior to 22.1R3-S3; * 22.2 versions prior to 22.2R3-S2; * 22.3 versions prior to 22.3R2-S2, 22.3R3; * 22.4 versions prior to 22.4R2-S1, 22.4R3.
Capability ID | Capability Description | Mapping Type | ATT&CK ID | ATT&CK Name | Notes |
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CVE-2023-36846 | Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability | primary_impact | T1059 | Command and Scripting Interpreter |
Comments
This vulnerability is exploited through a Missing Authentication for Critical Function weakness. Attackers leverage this vulnerability to impact file system integrity by sending a crafted request to the `user.php` endpoint, which does not require authentication. This manipulation allows the upload of arbitrary files, enabling attackers to chain this vulnerability with others, potentially leading to unauthenticated remote code execution.
References
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CVE-2023-36846 | Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability | exploitation_technique | T1190 | Exploit Public-Facing Application |
Comments
This vulnerability is exploited through a Missing Authentication for Critical Function weakness. Attackers leverage this vulnerability to impact file system integrity by sending a crafted request to the `user.php` endpoint, which does not require authentication. This manipulation allows the upload of arbitrary files, enabling attackers to chain this vulnerability with others, potentially leading to unauthenticated remote code execution.
References
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