CVE-2017-6553

CRITICAL

Quest Privilege Manager for Unix < 6.0.0-50 - Buffer Overflow via ACT_ALERT_EVENT Request

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2017-6553. PoCs published by Metasploit, m0t, including Metasploit module exploits/linux/misc/quest_pmmasterd_bof.

AI-analyzed exploit summary This Metasploit module exploits a buffer overflow in Quest Privilege Manager's pmmasterd daemon via a crafted ACT_ALERT_EVENT request, leading to remote code execution. It includes ROP chains for both x64 and x86 architectures to bypass stack protections and execute arbitrary commands.

Description

Buffer Overflow in Quest One Identity Privilege Manager for Unix before 6.0.0.061 allows remote attackers to obtain full access to the policy server via an ACT_ALERT_EVENT request that causes memory corruption in the pmmasterd daemon.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotelinux
https://www.exploit-db.com/exploits/42010

This Metasploit module exploits a buffer overflow in Quest Privilege Manager's pmmasterd daemon via a crafted ACT_ALERT_EVENT request, leading to remote code execution. It includes ROP chains for both x64 and x86 architectures to bypass stack protections and execute arbitrary commands.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Quest Privilege Manager pmmasterd < 6.0.0-27
No auth needed
Prerequisites: Network access to pmmasterd (port 12345) · Ability to bind a privileged port (<=1024) · Target configured as a policy server
devstral-2 · analyzed Feb 16, 2026 Full analysis →
metasploit WORKING POC NORMAL
by m0t · rubypocunix
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/linux/misc/quest_pmmasterd_bof.rb

This Metasploit module exploits a buffer overflow in Quest Privilege Manager's pmmasterd daemon (CVE-2017-6553) by sending a maliciously crafted packet to trigger a memcpy-based overflow, leading to remote code execution via ROP chains for x64 and x86 architectures.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Quest Privilege Manager pmmasterd < 6.0.0-27
No auth needed
Prerequisites: Network access to pmmasterd (port 12345) · Ability to bind to a privileged port (<=1024) · Target configured as a policy server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3

Scores

CVSS v3 9.8
EPSS 0.4229
EPSS Percentile 98.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (1)
quest/privilege_manager_for_unix < 6.0.0-50
Published Apr 29, 2017
Tracked Since Feb 18, 2026