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fuse におけるアクセス制御に関する脆弱性
Title fuse におけるアクセス制御に関する脆弱性
Summary

fuse には、アクセス制御に関する脆弱性が存在します。

Possible impacts 情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。
Solution

ベンダ情報および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 July 20, 2018, midnight
Registration Date Oct. 29, 2018, 2:36 p.m.
Last Update Oct. 29, 2018, 2:36 p.m.
CVSS3.0 : 重要
Score 7.8
Vector CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS2.0 : 警告
Score 4.6
Vector AV:L/AC:L/Au:N/C:P/I:P/A:P
Affected System
Debian
Debian GNU/Linux 
FUSE
FUSE 2.9.8
FUSE 3.2.5 未満の 3.x
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)
ベンダー情報
その他
Change Log
No Changed Details Date of change
1 [2018年10月29日]
  掲載		 Oct. 29, 2018, 2:36 p.m.
NVD Vulnerability Information
CVE-2018-10906
Summary

In fuse before versions 2.9.8 and 3.x before 3.2.5, fusermount is vulnerable to a restriction bypass when SELinux is active. This allows non-root users to mount a FUSE file system with the 'allow_other' mount option regardless of whether 'user_allow_other' is set in the fuse configuration. An attacker may use this flaw to mount a FUSE file system, accessible by other users, and trick them into accessing files on that file system, possibly causing Denial of Service or other unspecified effects.

Publication Date July 25, 2018, 5:29 a.m.
Registration Date March 1, 2021, 6:44 p.m.
Last Update Nov. 21, 2024, 12:42 p.m.
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:a:fuse_project:fuse:*:*:*:*:*:*:*:* 3.0 3.2.5
cpe:2.3:a:fuse_project:fuse:*:*:*:*:*:*:*:* 2.9.8
Configuration3 or higher or less more than less than
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List