=====[ Tempest Security Intelligence - ADV-18/2018 ]=== Panda Global Security 17.0.1 - Unquoted service path ------------------------------------------------------- Author: - Filipe Xavier Oliveira: < filipe.xavier () tempest.com.br =====[ Table of Contents ]===================================================== * Overview * Detailed description * Timeline of disclosure * Thanks & Acknowledgements * References =====[ Overview ]============================================================== * System affected : Panda Global Security [1] * Software Version : 17.0.1. Other versions or models may also be affected. * Impact : Allow an authorized but non-privileged local user to execute arbitrary code with elevated privileges on the system. If an attacker could copy a malicious file and place it on, for example, into the root directory. This would cause windows to run the malicious executable in the user context of the service account at the next service start. =====[ Detailed description ]================================================== Unquoted Windows search path vulnerability in the "panda_url_filtering" service in Panda Global Protection 17.0.1 allows local users to gain privileges via a malicious artefact. ------------------------------------------ C:\windows\system32>sc qc panda_url_filtering SERVICE_NAME: panda_url_filtering TYPE : 10 WIN32_OWN_PROCESS START_TYPE : 2 AUTO_START ERROR_CONTROL : 1 NORMAL BINARY_PATH_NAME : C:\Program Files\Panda Security URL Filtering\Panda _URL_Filteringb.exe -- LOAD_ORDER_GROUP : TAG : 0 DISPLAY_NAME : panda_url_filtering Service DEPENDENCIES : SERVICE_START_NAME : LocalSystem =====[ Timeline of disclosure ]=============================================== 26/01/2018 - Vendor was informed of the vulnerability. 01/26/2018 - CVE assigned [2] 02/05/2018 - Vendor did not respond. 03/06/2018 - Advisory publication date. =====[ Thanks & Acknowledgements ]============================================ - Tempest Security Intelligence / Tempest's Pentest Team [3] =====[ References ]=========================================================== [1] - https://www.pandasecurity.com [2] - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6321 [3] - http://www.tempest.com.br/ -- Filipe Oliveira Tempest Security Intelligence