CVE-2019-1772 : Vulnerability Insights and Analysis
Learn about CVE-2019-1772, a high-severity vulnerability in Cisco Webex Network Recording Player allowing arbitrary code execution. Find mitigation steps and prevention measures here.
Cisco Webex Network Recording Player Arbitrary Code Execution Vulnerability
Understanding CVE-2019-1772
This CVE involves a security weakness in the Cisco Webex Network Recording Player and Cisco Webex Player for Microsoft Windows, potentially allowing unauthorized code execution on affected systems.
What is CVE-2019-1772?
The vulnerability arises from the software's failure to properly validate Advanced Recording Format (ARF) and Webex Recording Format (WRF) files, enabling an attacker to run arbitrary code by tricking users into opening malicious files.
The Impact of CVE-2019-1772
- CVSS Base Score: 7.8 (High Severity)
- Attack Vector: Local
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- User Interaction: Required
- Despite no known public exploits, the potential for code execution is considered high.
Technical Details of CVE-2019-1772
The following technical details provide insight into the vulnerability and its implications.
Vulnerability Description
The vulnerability allows attackers to execute arbitrary code on affected systems by exploiting the improper validation of ARF and WRF files.
Affected Systems and Versions
- Product: Cisco WebEx WRF Player
- Vendor: Cisco
- Affected Versions: Less than 39.1.0.471 (Custom Version)
Exploitation Mechanism
- Attackers send malicious ARF or WRF files to users via links or email attachments.
- Users are persuaded to open these files using the affected software, leading to code execution on the system.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2019-1772.
Immediate Steps to Take
- Update the affected software to a secure version.
- Educate users about the risks of opening files from unknown or untrusted sources.
- Implement email and web filtering to detect and block malicious files.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Conduct security awareness training for employees to recognize and report suspicious activities.
Patching and Updates
- Stay informed about security advisories and updates from Cisco.
- Apply patches and updates as soon as they are released to address known vulnerabilities.