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CVE-2024-6760— ktrace(2) fails to detach when executing a setuid binary

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，该漏洞源于代码中的逻辑错误会禁用内核跟踪，从而允许非特权用户跟踪和检查setuid程序的行为。

AI Predicted 7.8 Difficulty: Easy EPSS 0.74% · P53
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I. Basic Information for CVE-2024-6760

Vulnerability Information
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Vulnerability Title
ktrace(2) fails to detach when executing a setuid binary
Source: CVE Program / CVE List V5
Vulnerability Description
A logic bug in the code which disables kernel tracing for setuid programs meant that tracing was not disabled when it should have, allowing unprivileged users to trace and inspect the behavior of setuid programs. The bug may be used by an unprivileged user to read the contents of files to which they would not otherwise have access, such as the local password database.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
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，该漏洞源于代码中的逻辑错误会禁用内核跟踪，从而允许非特权用户跟踪和检查setuid程序的行为。
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 14.1-RELEASE ~ p3 -

II. Public POCs for CVE-2024-6760

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III. Intelligence Information for CVE-2024-6760

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Other References for CVE-2024-6760 (1)

Same Patch Batch · FreeBSD · 2024-08-11 · 4 CVEs total

CVE-2024-7589 OpenSSH pre-authentication async signal safety issue
CVE-2024-6759 NFS client accepts file names containing path separators
CVE-2024-6640 pf incorrectly matches different ICMPv6 states in the state table

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: FreeBSD

V. Comments for CVE-2024-6760

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