CVE-2019-6498 : Security Advisory and Response

GattLib 0.2 has a stack-based buffer over-read vulnerability in the function gattlib_connect in dbus/gattlib.c due to incorrect usage of strncpy.

Understanding CVE-2019-6498

This CVE entry describes a specific vulnerability in GattLib 0.2 that could potentially be exploited by attackers.

What is CVE-2019-6498?

The vulnerability in GattLib 0.2, tracked as CVE-2019-6498, arises from a stack-based buffer over-read issue caused by the incorrect usage of the strncpy function in the gattlib_connect function within dbus/gattlib.c.

The Impact of CVE-2019-6498

This vulnerability could be exploited by malicious actors to potentially execute arbitrary code or cause a denial of service (DoS) on systems running the affected version of GattLib.

Technical Details of CVE-2019-6498

This section delves into the technical aspects of the CVE, including the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in GattLib 0.2 is a stack-based buffer over-read issue resulting from the incorrect usage of the strncpy function in the gattlib_connect function within dbus/gattlib.c.

Affected Systems and Versions

Affected Version: GattLib 0.2
Vendor: N/A
Product: N/A

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious input to trigger the stack-based buffer over-read, potentially leading to unauthorized access or system crashes.

Mitigation and Prevention

Protecting systems from CVE-2019-6498 involves taking immediate steps and implementing long-term security practices.

Immediate Steps to Take

Apply security patches or updates provided by the vendor, if available.
Consider implementing network-level protections to filter out potentially malicious traffic targeting the vulnerable component.

Long-Term Security Practices

Regularly monitor and update software components to address known vulnerabilities promptly.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses in the system.

Patching and Updates

Check for patches or updates released by GattLib or relevant vendors to address the stack-based buffer over-read vulnerability.