CVE-2019-1929 : Exploit Details and Defense Strategies
Multiple vulnerabilities in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows could allow attackers to run arbitrary code on affected systems. Learn how to mitigate these high-severity vulnerabilities.
Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulnerabilities
Understanding CVE-2019-1929
Multiple vulnerabilities in Cisco Webex Network Recording Player for Microsoft Windows and Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system.
What is CVE-2019-1929?
The vulnerabilities in Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows stem from improper validation of Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. Attackers could exploit these vulnerabilities by tricking users into opening malicious ARF or WRF files.
The Impact of CVE-2019-1929
If successfully exploited, attackers can run arbitrary code on affected systems with the privileges of the targeted user. The vulnerabilities have a CVSS base score of 7.8, indicating a high severity level.
Technical Details of CVE-2019-1929
Vulnerability Description
The vulnerabilities allow attackers to execute arbitrary code on systems running affected versions of Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows.
Affected Systems and Versions
- Product: Cisco WebEx WRF Player
- Vendor: Cisco
- Versions Affected: < 39.5.5
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Local
- Privileges Required: None
- User Interaction: Required
- Scope: Unchanged
- Confidentiality, Integrity, and Availability Impact: High
Mitigation and Prevention
Immediate Steps to Take
- Update Cisco Webex Network Recording Player and Cisco Webex Player to versions above 39.5.5 to mitigate the vulnerabilities.
- Be cautious when opening ARF or WRF files from untrusted sources.
Long-Term Security Practices
- Regularly update software and security patches to prevent exploitation of known vulnerabilities.
- Educate users on safe email and file handling practices to avoid falling victim to phishing attacks.
Patching and Updates
- Stay informed about security advisories from Cisco and apply patches promptly to secure systems.