CVE-2024-8946
| Summary |
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.
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| Publication Date |
Sept. 18, 2024, 4:15 a.m. |
| Registration Date |
Sept. 18, 2024, noon |
| Last Update |
Sept. 24, 2024, 10:11 p.m. |
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CVSS3.1 : HIGH
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| スコア |
7.5
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| Vector |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
不要 |
| 利用者の関与(UI) |
不要 |
| 影響の想定範囲(S) |
変更なし |
| 機密性への影響(C) |
なし |
| 完全性への影響(I) |
なし |
| 可用性への影響(A) |
高 |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:micropython:micropython:1.23.0:*:*:*:*:*:*:* |
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Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
micropython における境界外書き込みに関する脆弱性
| Title |
micropython における境界外書き込みに関する脆弱性
|
| Summary |
micropython には、境界外書き込みに関する脆弱性が存在します。
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| Possible impacts |
サービス運用妨害 (DoS) 状態にされる可能性があります。 |
| Solution |
ベンダアドバイザリまたはパッチ情報が公開されています。参考情報を参照して適切な対策を実施してください。 |
| Publication Date |
Sept. 17, 2024, midnight |
| Registration Date |
Sept. 25, 2024, 10:18 a.m. |
| Last Update |
Sept. 25, 2024, 10:18 a.m. |
Affected System
| micropython |
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micropython 1.23.0
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CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
その他
Change Log
| No |
Changed Details |
Date of change |
| 1 |
[2024年09月25日] 掲載 |
Sept. 25, 2024, 10:14 a.m. |