CVE-2017-6553 : Security Advisory and Response

A vulnerability known as Buffer Overflow was discovered in Quest One Identity Privilege Manager for Unix, prior to version 6.0.0.061. This vulnerability enables attackers to remotely gain complete control over the policy server by manipulating the pmmasterd daemon.

Understanding CVE-2017-6553

This CVE entry describes a critical vulnerability in Quest One Identity Privilege Manager for Unix that allows attackers to exploit a buffer overflow issue to compromise the policy server.

What is CVE-2017-6553?

CVE-2017-6553 is a security vulnerability in Quest One Identity Privilege Manager for Unix that allows remote attackers to achieve full access to the policy server through a specific request that triggers memory corruption in the pmmasterd daemon.

The Impact of CVE-2017-6553

The exploitation of this vulnerability can result in attackers gaining unauthorized control over the policy server, potentially leading to severe security breaches and unauthorized access to sensitive information.

Technical Details of CVE-2017-6553

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

The vulnerability in Quest One Identity Privilege Manager for Unix before version 6.0.0.061 allows remote attackers to exploit a buffer overflow issue via an ACT_ALERT_EVENT request, leading to memory corruption in the pmmasterd daemon.

Affected Systems and Versions

Product: Quest One Identity Privilege Manager for Unix
Versions affected: Prior to 6.0.0.061

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a crafted ACT_ALERT_EVENT request to the policy server, manipulating the pmmasterd daemon and causing memory corruption.

Mitigation and Prevention

To address CVE-2017-6553, follow these mitigation steps:

Immediate Steps to Take

Update to version 6.0.0.061 or later to mitigate the vulnerability.
Monitor network traffic for any suspicious activity that could indicate an exploit attempt.

Long-Term Security Practices

Implement network segmentation to limit the impact of potential attacks.
Regularly update and patch software to address known vulnerabilities.

Patching and Updates

Apply security patches provided by the vendor promptly to ensure protection against known vulnerabilities.