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Date: Tue, 11 Apr 2017 17:39:29 +0200 From: "Securify B.V." <lists@...urify.nl> To: fulldisclosure@...lists.org Subject: [FD] Multiple local privilege escalation vulnerabilities in Proxifier for Mac ------------------------------------------------------------------------ Multiple local privilege escalation vulnerabilities in Proxifier for Mac ------------------------------------------------------------------------ Yorick Koster, April 2017 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ Multiple local privileges escalation vulnerabilities were found in the KLoader binary that ships with Proxifier. KLoader is responsible for loading a Kernel Extension (kext). KLoader is installed setuid root, it accepts one or two command line arguments that are used in a number of system commands. These arguments are used in an insecure manner allowing a local attacker to elevate its privileges. In addition, the environment is not properly sanitized, which also introduces an possibility to run arbitrary commands with elevated privileges. ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ These issues were successfully verified on Proxifier for Mac v2.18. ------------------------------------------------------------------------ Fix ------------------------------------------------------------------------ Proxifier v2.19 was released that addresses these issues. ------------------------------------------------------------------------ Details ------------------------------------------------------------------------ https://www.securify.nl/advisory/SFY20170401/multiple_local_privilege_escalation_vulnerabilities_in_proxifier_for_mac.html _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
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