Vulnerability · Published Sep 7, 2021 · Assigned by krcert

CVE-2020-7877ZOOK solution(remote administration tool) buffer overflow vulnerability

High 8.0

In plain English

A high-severity buffer overflow in ZOOKAgentSetup.exe from mastersoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).

Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.8%top 42.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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 products (as reported)

VendorProductVersions
mastersoft ZOOKViewer_Setup.exe 2.0.4.6 – through 2.0.4.6
mastersoft ZOOKAgentSetup.exe 2.0.6.1 – through 2.0.6.1

Weakness: CWE-120 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References