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CVE-2023-5368— msdosfs data disclosure

Quick assessment

Affected
FreeBSD FreeBSD
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.

FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD存在安全漏洞，该漏洞源于允许对msdosfs文件系统上的文件具有写访问权限的用户读取意外数据。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2023-5368

Vulnerability Information
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Vulnerability Title
msdosfs data disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
On an msdosfs filesystem, the 'truncate' or 'ftruncate' system calls under certain circumstances populate the additional space in the file with unallocated data from the underlying disk device, rather than zero bytes. This may permit a user with write access to files on a msdosfs filesystem to read unintended data (e.g. from a previously deleted file).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的默认资源初始化
Source: CVE Program / CVE List V5
Vulnerability Title
FreeBSD 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreeBSD是FreeBSD基金会的一套类Unix操作系统。 FreeBSD存在安全漏洞，该漏洞源于允许对msdosfs文件系统上的文件具有写访问权限的用户读取意外数据。
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
FreeBSD FreeBSD 13.2-RELEASE ~ p4 -

II. Public POCs for CVE-2023-5368

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III. Intelligence Information for CVE-2023-5368

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Vendor Advisories for CVE-2023-5368 (1)

Other References for CVE-2023-5368 (2)

Same Patch Batch · FreeBSD · 2023-10-04 · 3 CVEs total

CVE-2023-5370 arm64 boot CPUs may lack speculative execution protections
CVE-2023-5369 copy_file_range insufficient capability rights check

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: FreeBSD
Same weakness: CWE-1188

V. Comments for CVE-2023-5368

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