CVE-2018-10906
Last modified
CVE-2018-10906 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. 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. EPSS estimates a 1.41% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Fuse Project | Fuse | < 2.9.8 |
| Fuse Project | Fuse | >= 3.0, < 3.2.5 |
| Redhat | Enterprise Linux Desktop | 7.0 |
| Redhat | Enterprise Linux Server | 7.0 |
| Redhat | Enterprise Linux Workstation | 7.0 |
References
- https://access.redhat.com/errata/RHSA-2018:3324Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10906Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/08/msg00015.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4257Third Party Advisory
- https://www.exploit-db.com/exploits/45106/Exploit, Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:3324Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10906Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/08/msg00015.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4257Third Party Advisory
- https://www.exploit-db.com/exploits/45106/Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
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