Path traversal in Zoom Client application



Published: 2020-06-04
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-6109
CWE-ID CWE-22
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Zoom Client for Windows
Client/Desktop applications / Multimedia software

Vendor Zoom Video Communications, Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU28566

Risk: Medium

CVSSv3.1: 6.2 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-6109

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote authenticated attacker can send a specially crafted chat message and cause an arbitrary file write, leading to arbitrary code execution.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Zoom Client for Windows: 4.6.10 20033.0407

CPE2.3 External links

http://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1055

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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