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CVE-2020-7877

nvd nist
Published: Sep 7, 2021Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

Description

A buffer overflow issue was discovered in ZOOK solution(remote administration tool) through processing 'ConnectMe' command while parsing a crafted OUTERIP value because of missing boundary check. This vulnerability allows the attacker to execute remote arbitrary command.

Affected (2)

Mastersoft
2 products
Zook Agent
Zook Viewer
Configuration A
2 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Zook Agent
Version 2.0.6.1
Zook Viewer
Version 2.0.4.6
Running on/withPlatform Versions
Microsoft
Windows
All versions

Related CWEs

CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (2)

Source: vuln@krcert.or.kr
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.