CVE-2023-6740— Privilege escalation in jar_signature
Quick assessment
Affected
Checkmk GmbH Checkmk
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Checkmk是一个编辑器。 Checkmk 2.2.0p18版本、2.1.0p38版本、2.0.0p39版本存在安全漏洞。攻击者利用该漏洞可以升级权限。
Possible ATT&CK Techniques 1 AI
T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2023-6740
Vulnerability Information
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Vulnerability Title
Privilege escalation in jar_signature
Source: CVE Program / CVE List V5
Vulnerability Description
Privilege escalation in jar_signature agent plugin in Checkmk before 2.2.0p18, 2.1.0p38 and 2.0.0p39 allows local user to escalate privileges
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
Checkmk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Checkmk是一个编辑器。 Checkmk 2.2.0p18版本、2.1.0p38版本、2.0.0p39版本存在安全漏洞。攻击者利用该漏洞可以升级权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Checkmk GmbH | Checkmk | 2.2.0 ~ 2.2.0p18 | - |
|
II. Public POCs for CVE-2023-6740
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2023-6740 (1)
Same Patch Batch · Checkmk GmbH · 2024-01-12 · 3 CVEs total
| CVE-2023-31211 | 8.8 HIGH | Disabled automation users could still authenticate |
| CVE-2023-6735 | 8.8 HIGH | Privilege escalation in mk_tsm |
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Same vendor: Checkmk GmbH
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CVE-2026-90990
Livestatus injection via monitoring filter values -
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Missing decompression size limit in agent receiver allows me -
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Same weakness: CWE-427
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V. Comments for CVE-2023-6740
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