CVE-2019-1925 : What You Need to Know
Multiple vulnerabilities in Cisco Webex Network Recording Player and Cisco Webex Player could allow attackers to execute arbitrary code. Learn about the impact, affected systems, and mitigation steps.
Cisco Webex Network Recording Player and Cisco Webex Player Arbitrary Code Execution Vulnerabilities
Understanding CVE-2019-1925
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-2019-1925?
The vulnerabilities in Cisco Webex Network Recording Player and Cisco Webex Player arise due to inadequate validation of Advanced Recording Format (ARF) and Webex Recording Format (WRF) files by the affected software. Attackers could exploit these weaknesses by sending malicious files to users, convincing them to open the files using the affected software, leading to arbitrary code execution.
The Impact of CVE-2019-1925
- CVSS Base Score: 7.8 (High Severity)
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: None
- User Interaction: Required
- Confidentiality, Integrity, and Availability Impact: High
Technical Details of CVE-2019-1925
Vulnerability Description
The vulnerabilities allow attackers to run arbitrary code on impacted systems by exploiting the inadequate validation of ARF and WRF files.
Affected Systems and Versions
- Affected Product: Cisco WebEx WRF Player
- Vendor: Cisco
- Affected Versions: Less than 39.5.5 (Custom Version)
Exploitation Mechanism
Attackers can exploit these vulnerabilities by sending malicious ARF or WRF files to users, convincing them to open the files using the affected software, enabling the execution of arbitrary code on the system.
Mitigation and Prevention
Immediate Steps to Take
- Update the affected software to a patched version.
- Avoid opening ARF or WRF files from untrusted sources.
- Implement email and web filtering to block malicious files.
Long-Term Security Practices
- Regularly update software and apply security patches.
- Educate users on identifying and avoiding suspicious email attachments.
Patching and Updates
Ensure timely installation of security updates and patches to mitigate the vulnerabilities.