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Home Alerts

TeamViewer Flaw Enables Privilege Escalation

September 26, 2024
Reading Time: 2 mins read
in Alerts
TeamViewer Flaw Enables Privilege Escalation

TeamViewer has confirmed a critical security vulnerability in its Remote client software for Windows, which poses a significant risk by potentially allowing attackers to escalate their privileges on affected systems. This serious flaw, identified as CVE-2024-7479 and CVE-2024-7481, arises from improper verification of cryptographic signatures in the TeamViewer_service.exe component. The vulnerability has been rated with a high Common Vulnerability Scoring System (CVSS3.1) base score of 8.8, emphasizing the urgent need for users to address this issue promptly to protect their systems from potential exploitation.

The affected versions of TeamViewer include both the Remote full client and Remote Host for Windows, specifically those versions earlier than 15.58.4, along with several older major versions dating back to version 11. As TeamViewer is widely utilized in both corporate environments and personal settings for remote access and support, the implications of this vulnerability are extensive. The risk is particularly concerning as it enables attackers with local, unprivileged access to escalate their privileges, potentially allowing them to install drivers and execute unauthorized commands.

This critical flaw was discovered by security researcher Peter Gabaldon, who worked closely with Trend Micro’s Zero Day Initiative. His responsible disclosure to TeamViewer has allowed the company to develop and implement a patch effectively. TeamViewer has expressed gratitude to Gabaldon for his contribution, highlighting the importance of collaboration between cybersecurity researchers and software developers in identifying and addressing vulnerabilities swiftly.

In light of this discovery, TeamViewer is urging all users to update to the latest version immediately to mitigate the risks associated with this vulnerability. The company has made it clear that users who fail to update their software may expose their systems to serious threats, as attackers could exploit this flaw to gain unauthorized access. As cybersecurity threats continue to evolve and pose challenges across various sectors, maintaining software updates remains a critical line of defense. Users are encouraged to be proactive in ensuring their software is current and to follow best practices for cybersecurity to protect their digital environments effectively.

Reference:
  • Critical TeamViewer Vulnerability Enables Privilege Escalation on Windows Systems
Tags: Cyber AlertsCyber Alerts 2024Cyber threatsSeptember 2024TeamViewerVulnerabilityWindows
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