CVE-2021-34859: TeamViewer TVS File Parsing Memory Corruption Remote Code Execution Vulnerability
First published: Mon Oct 25 2021(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of TeamViewer 15.16.8.0. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of TVS files. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-13697.
Credit: zdi-disclosures@trendmicro.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Teamviewer Teamviewer | =15.16.8.0 | |
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Reference Links
Frequently Asked Questions
What is CVE-2021-34859?
CVE-2021-34859 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of TeamViewer 15.16.8.0.
How can this vulnerability be exploited?
To exploit this vulnerability, the target must visit a malicious page or open a malicious file, requiring user interaction.
What is the severity of CVE-2021-34859?
CVE-2021-34859 has a severity rating of 8.8, which is considered high.
Which software versions are affected?
TeamViewer 15.16.8.0 is the affected version for this vulnerability.
Is there a fix available for CVE-2021-34859?
To mitigate this vulnerability, users should update to the latest version of TeamViewer and apply any available patches from the vendor.
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