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Files Date: 2017-05-13

Quest Privilege Manager pmmasterd Buffer Overflow

Posted May 13, 2017

Authored by m0t | Site metasploit.com

This Metasploit modules exploits a buffer overflow in the Quest Privilege Manager, a software used to integrate Active Directory with Linux and Unix systems. The vulnerability exists in the pmmasterd daemon, and can only triggered when the host has been configured as a policy server ( Privilege Manager for Unix or Quest Sudo Plugin). A buffer overflow condition exists when handling requests of type ACT_ALERT_EVENT, where the size of a memcpy can be controlled by the attacker. This Metasploit module only works against version < 6.0.0-27. Versions up to 6.0.0-50 are also vulnerable, but not supported by this module (a stack cookie bypass is required). NOTE: To use this module it is required to be able to bind a privileged port ( <=1024 ) as the server refuses connections coming from unprivileged ports, which in most situations means that root privileges are required.

tags | exploit, overflow, root

systems | linux, unix

advisories | CVE-2017-6553

SHA-256 | 00d2e0db612c6f9b9160a68ac24a37c325f03186baa0aaeb99b3a857afbe6b10

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