CVE-2019-12645 : What You Need to Know

Cisco Jabber Client Framework for Mac Code Execution Vulnerability

Understanding CVE-2019-12645

This CVE involves a vulnerability in the Cisco Jabber Client Framework (JCF) for Mac Software, which is part of the Cisco Jabber for Mac client. The vulnerability could allow a local attacker with device authentication to execute unauthorized code.

What is CVE-2019-12645?

The vulnerability arises from improper file permissions when running the Cisco JCF for Mac Software, enabling an authenticated local attacker to execute unauthorized code or modify configuration files on the device.

The Impact of CVE-2019-12645

If exploited, the attacker could execute unauthorized code or make unauthorized changes to configuration files on the device using the privileges granted by the installed Cisco JCF for Mac Software.

Technical Details of CVE-2019-12645

Vulnerability Description

The vulnerability allows a local attacker with device authentication to execute unauthorized code due to improper file permissions when running the Cisco JCF for Mac Software.

Affected Systems and Versions

Product: Cisco Jabber for Mac
Vendor: Cisco
Versions Affected: Less than 12.6(1)

Exploitation Mechanism

To exploit this vulnerability, an attacker needs to authenticate on the affected device and then execute unauthorized code or potentially make changes to specific configuration files.

Mitigation and Prevention

Immediate Steps to Take

Apply the latest security updates provided by Cisco to address this vulnerability.
Monitor Cisco's security advisories for any further updates or patches related to this issue.

Long-Term Security Practices

Regularly update and patch all software and applications to prevent vulnerabilities.
Implement strong authentication mechanisms to restrict unauthorized access to devices.

Patching and Updates

Ensure that all devices running the Cisco Jabber for Mac client have been updated with the latest version to mitigate the vulnerability.