ZDI-CAN-13818: TeamViewer Improper Validation of Array Index Information Disclosure Vulnerability
This vulnerability allows local attackers to disclose sensitive information on affected installations of TeamViewer. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the TeamViewer service. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated array. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of SYSTEM.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TeamViewer |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-13818?
The severity of ZDI-CAN-13818 is classified as medium due to its potential for sensitive information disclosure.
How do I fix ZDI-CAN-13818?
To fix ZDI-CAN-13818, update to the latest version of TeamViewer that includes security patches addressing this vulnerability.
What type of attacks are possible with ZDI-CAN-13818?
ZDI-CAN-13818 can be exploited by local attackers to disclose sensitive information on affected installations of TeamViewer.
Is my system vulnerable to ZDI-CAN-13818?
If you are using an affected version of TeamViewer, your system may be vulnerable to ZDI-CAN-13818.
What are the requirements for exploiting ZDI-CAN-13818?
An attacker must first obtain the ability to execute low-privileged code on the target system to exploit ZDI-CAN-13818.
- agent/references
- agent/severity
- agent/title
- agent/softwarecombine
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- agent/event
- agent/source
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- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-082
- alias/ZDI-CAN-13818
- alias/CVE-2021-35005
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/teamviewer
- canonical/teamviewer