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CVE-2024-25940— bhyveload(8) host file access

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，该漏洞源于不会限制加载程序对 <host-path> 的访问，从而允许加载程序读取主机用户有权访问的任何文件。

AI Predicted 8.6 Difficulty: Easy EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2024-25940

Vulnerability Information
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Vulnerability Title
bhyveload(8) host file access
Source: CVE Program / CVE List V5
Vulnerability Description
`bhyveload -h <host-path>` may be used to grant loader access to the <host-path> directory tree on the host. Affected versions of bhyveload(8) do not make any attempt to restrict loader's access to <host-path>, allowing the loader to read any file the host user has access to. In the bhyveload(8) model, the host supplies a userboot.so to boot with, but the loader scripts generally come from the guest image. A maliciously crafted script could be used to exfiltrate sensitive data from the host accessible to the user running bhyhveload(8), which is often the system root.
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，该漏洞源于不会限制加载程序对 <host-path> 的访问，从而允许加载程序读取主机用户有权访问的任何文件。
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 14.0-RELEASE ~ p5 -

II. Public POCs for CVE-2024-25940

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III. Intelligence Information for CVE-2024-25940

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Vendor Advisories for CVE-2024-25940 (1)

Other References for CVE-2024-25940 (1)

Same Patch Batch · FreeBSD · 2024-02-15 · 12 CVEs total

CVE-2022-23093 Stack overflow in ping(8)
CVE-2022-23092 Missing bounds check in 9p message handling
CVE-2022-23091 Memory disclosure by stale virtual memory mapping
CVE-2022-23090 AIO credential reference count leak
CVE-2022-23089 Out of bound read in elf_note_prpsinfo()
CVE-2022-23088 802.11 heap buffer overflow
CVE-2022-23087 Bhyve e82545 device emulation out-of-bounds write
CVE-2022-23086 mpr/mps/mpt driver ioctl heap out-of-bounds write
CVE-2022-23085 Potential jail escape vulnerabilities in netmap
CVE-2022-23084 Potential jail escape vulnerabilities in netmap
CVE-2024-25941 jail(2) information leak

IV. Related Vulnerabilities

Same product: FreeBSD
Same vendor: FreeBSD

V. Comments for CVE-2024-25940

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