=====[ Tempest Security Intelligence - ADV-03/2022 ]========================== PHPIPAM - Version 1.4.4 Author: Rodolfo Tavares Tempest Security Intelligence - Recife, Pernambuco - Brazil =====[ Table of Contents ]================================================== * Overview * Detailed description * Timeline of disclosure * Thanks & Acknowledgements * References =====[ Vulnerability Information ]============================================= * Class: Improper Neutralization of Input During Web Page Generation ('Cross-Site Scripting') [CWE-79] * CVSS: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L * Class: Cross-Site Request Forgery (CSRF) [CWE-352] * CVSS: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L =====[ Overview ]======================================================== * System affected: PHPIPAM - Version 1.4.4 * Software Version: Version 1.4.4 (other versions may also be affected). * Impact: PHPIPAM 1.4.4 is vulnerable to Cross-Site Request Forgery (CSRF) and Cross-Site Scripting (XSS) via app/admin/subnets/find_free_section_subnets.php. An attacker can exploit this by injecting javascript code to coerce an admin user into performing unintended actions. =====[ Detailed description ]================================================= The html codes below exploit vulnerabilities in the same way due to the fact that both forms do not contain CSRF tokens and are vulnerable to XSS attacks. Then an attacker can host the forms on their malicious host and trick an administrator into visiting your page. If successful, the javascript code will execute. * [app/admin/subnets/find_free_section_subnets.php]

Exploit PHPIPAM

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=====[ Timeline of disclosure ]=============================================== 13/Jan/2022 - Responsible disclosure was initiated with the vendor; 14/Jan/2022 - PHPIPAM confirmed the issues; 17/Jan/2022 - The vendor fixed the issues XSS and CSRF; 24/Mar/2022 - CVE reserved as CVE-2021-46426; 25/Mar/2022 - CVE assigned [5]. =====[ Thanks & Acknowledgements ]======================================== * Tempest Security Intelligence [4] =====[ References ]===================================================== [1] [ https://cwe.mitre.org/data/definitions/352.html|https://cwe.mitre.org/data/definitions/352.html ] [2] [ https://cwe.mitre.org/data/definitions/79.html|https://cwe.mitre.org/data/definitions/79.html ] [3] [ https://github.com/phpipam/phpipam/commit/6c1f72816d6ac634e9c174057e008717d959f351|https://github.com/phpipam/phpipam/commit/6c1f72816d6ac634e9c174057e008717d959f351 ] [4] [https://www.tempest.com.br|https://www.tempest.com.br/] [5] [ https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46426|https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-46426 ] [6][ Thanks to Celso (CGB) =)] =====[ EOF ]=========================================================== --