CVE-2024-8946

描述

A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.

如何修補 CVE-2024-8946

要修補 CVE-2024-8946,請將受影響套件升級到下列已修補版本。

• —升級至 1.24.0+ds-1 或更新版本
• —未列出修補版本
• —升級至 29943546343c92334e8518695a11fc0e2ceea68b 或更新版本
• —未列出修補版本
• —升級至 29943546343c92334e8518695a11fc0e2ceea68b 或更新版本
• —未列出修補版本
• —升級至 29943546343c92334e8518695a11fc0e2ceea68b 或更新版本
• —未列出修補版本
• —升級至 29943546343c92334e8518695a11fc0e2ceea68b 或更新版本

CVE-2024-8946 正在被利用嗎?

低 — EPSS 為 1.0%,目前沒有觀察到大規模利用活動。

受影響套件(9)

• from 0, < 1.24.0+ds-1
• from 0, <= 3.3.3.post3
• from 0, < 29943546343c92334e8518695a11fc0e2ceea68b | from 0
• from 0, <= 0.1
• from 0, < 29943546343c92334e8518695a11fc0e2ceea68b | from 0
• from 0, <= 0.1.3
• from 0, < 29943546343c92334e8518695a11fc0e2ceea68b | from 0
• from 0, <= 0.1
• from 0, < 29943546343c92334e8518695a11fc0e2ceea68b | from 0

CVSS 分數

參考連結(13)

• ADVISORYgithub.com/advisories/GHSA-74qm-4v7r-jw2f
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2024-8946
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2024-8946
• WEBgithub.com/micropython/micropython/commit/29943546343c92334e8518695a11fc0e2ceea68b