CVE-2021-34859
TeamViewer TVS File Parsing Memory Corruption Remote Code Execution Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
Esta vulnerabilidad permite a atacantes remotos ejecutar código arbitrario en las instalaciones afectadas de TeamViewer versión 15.16.8.0. Es requerida una interacción del usuario para explotar esta vulnerabilidad, ya que el objetivo debe visitar una página maliciosa o abrir un archivo malicioso. El fallo específico se presenta en el análisis de los archivos TVS. El problema resulta de una falta de comprobación apropiada de los datos suministrados por el usuario, que puede resultar en una condición de corrupción de memoria. Un atacante puede aprovechar esta vulnerabilidad para ejecutar código en el contexto del proceso actual. Fue ZDI-CAN-13697
This vulnerability allows remote attackers to execute arbitrary code on affected installations of TeamViewer. 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.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-06-17 CVE Reserved
- 2021-08-26 CVE Published
- 2024-08-04 CVE Updated
- 2024-11-11 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- CWE-787: Out-of-bounds Write
CAPEC
References (2)
URL | Tag | Source |
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https://www.zerodayinitiative.com/advisories/ZDI-21-1003 | Third Party Advisory |
URL | Date | SRC |
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URL | Date | SRC |
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https://community.teamviewer.com/English/discussion/117794/august-updates-security-patches/p1 | 2022-10-24 |
URL | Date | SRC |
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Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Teamviewer Search vendor "Teamviewer" | Teamviewer Search vendor "Teamviewer" for product "Teamviewer" | 15.16.8.0 Search vendor "Teamviewer" for product "Teamviewer" and version "15.16.8.0" | - |
Affected
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