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[email protected]CVE-2020-7877

HistorySep 07, 2021 - 12:15 p.m.

CVE-2020-7877

2021-09-0712:15:07

CWE-120

[email protected]

web.nvd.nist.gov

cve

buffer overflow

zook solution

remote administration tool

remote code execution

cve-2020-7877

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.6%

JSON

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 configurations

NVD

Node

microsoftwindowsMatch-

AND

mastersoftzook_agentMatch2.0.6.1

mastersoftzook_viewerMatch2.0.4.6

CPENameOperatorVersion
mastersoft:zook_agentmastersoft zook agenteq2.0.6.1
mastersoft:zook_viewermastersoft zook viewereq2.0.4.6

CPE	Name	Operator	Version
mastersoft:zook_agent	mastersoft zook agent	eq	2.0.6.1
mastersoft:zook_viewer	mastersoft zook viewer	eq	2.0.4.6

CNA Affected

[
  {
    "platforms": [
      "Windows"
    ],
    "product": "ZOOKViewer_Setup.exe",
    "vendor": "mastersoft",
    "versions": [
      {
        "lessThanOrEqual": "2.0.4.6",
        "status": "affected",
        "version": "2.0.4.6",
        "versionType": "custom"
      }
    ]
  },
  {
    "platforms": [
      "Windows"
    ],
    "product": "ZOOKAgentSetup.exe",
    "vendor": "mastersoft",
    "versions": [
      {
        "lessThanOrEqual": "2.0.6.1",
        "status": "affected",
        "version": "2.0.6.1",
        "versionType": "custom"
      }
    ]
  }
]

References

www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=36216

6.5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:S/C:P/I:P/A:P

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

40.6%

JSON

Related for CVE-2020-7877

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