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CVE-2023-28141— NTFS Junction

Quick assessment

Affected
Qualys Cloud Agent
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.

Qualys Cloud Agent是美国Qualys公司的一个轻量级应用程序。用于实时、全球可见性和响应的单一代理。 Qualys Cloud Agent 4.8.0.31之前版本存在安全漏洞，该漏洞源于允许攻击者攻击者通过本地攻击向量将文件写入任意位置。

CVSS 6.7 · Medium EPSS 0.18% · P7

Possible ATT&CK Techniques 1 AI

T1222.003
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I. Basic Information for CVE-2023-28141

Vulnerability Information
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Vulnerability Title
NTFS Junction
Source: CVE Program / CVE List V5
Vulnerability Description
An NTFS Junction condition exists in the Qualys Cloud Agent for Windows platform in versions before 4.8.0.31. Attackers may write files to arbitrary locations via a local attack vector. This allows attackers to assume the privileges of the process, and they may delete or otherwise on unauthorized files, allowing for the potential modification or deletion of sensitive files limited only to that specific directory/file object. This vulnerability is bounded to the time of installation/uninstallation and can only be exploited locally. At the time of this disclosure, versions before 4.0 are classified as End of Life.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
Qualys Cloud Agent 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qualys Cloud Agent是美国Qualys公司的一个轻量级应用程序。用于实时、全球可见性和响应的单一代理。 Qualys Cloud Agent 4.8.0.31之前版本存在安全漏洞，该漏洞源于允许攻击者攻击者通过本地攻击向量将文件写入任意位置。
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
Qualys Cloud Agent 3.1.3.34 ~ 4.8.0.31 -

II. Public POCs for CVE-2023-28141

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III. Intelligence Information for CVE-2023-28141

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Other References for CVE-2023-28141 (1)

Same Patch Batch · Qualys · 2023-04-18 · 4 CVEs total

CVE-2023-28143 6.7 MEDIUM Local Privilege Escalation
CVE-2023-28142 6.7 MEDIUM Race Condition
CVE-2023-28140 6.7 MEDIUM Executable Hijacking

IV. Related Vulnerabilities

Same product: Cloud Agent
Same vendor: Qualys
Same weakness: CWE-59

V. Comments for CVE-2023-28141

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