CVE-2019-17603 : Security Advisory and Response

Asus Aura Sync version 1.07.71 is vulnerable to a flaw in the validation of input to specific IOCTLs, potentially leading to memory corruption and privilege escalation.

Understanding CVE-2019-17603

This CVE entry highlights a vulnerability in Asus Aura Sync version 1.07.71 that could be exploited by local users to cause denial of service or unauthorized privilege elevation.

What is CVE-2019-17603?

The vulnerability arises from improper input validation in IOCTL 0x80102044, 0x80102050, and 0x80102054 in Asus Aura Sync version 1.07.71.

The Impact of CVE-2019-17603

The vulnerability allows local users to manipulate IOCTL requests with crafted kernel addresses, potentially resulting in memory corruption, system crashes, denial of service, or unauthorized privilege escalation.

Technical Details of CVE-2019-17603

This section delves into the technical aspects of the vulnerability.

Vulnerability Description

Ene.sys in Asus Aura Sync through version 1.07.71 fails to properly validate input to specific IOCTLs, enabling local users to trigger memory corruption via crafted kernel addresses.

Affected Systems and Versions

Affected System: Asus Aura Sync version 1.07.71
Affected Versions: Not specified

Exploitation Mechanism

The vulnerability can be exploited by local users through IOCTL requests using manipulated kernel addresses to corrupt memory.

Mitigation and Prevention

Protecting systems from CVE-2019-17603 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable Asus Aura Sync if not essential
Monitor for any unusual system behavior
Apply security updates promptly

Long-Term Security Practices

Implement the principle of least privilege
Regularly update and patch software
Conduct security awareness training for users

Patching and Updates

Update Asus Aura Sync to the latest version
Apply security patches provided by the vendor