CVE-2018-10906
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
Product
Fuse
PublishedJul 24, 2018
First seenJul 24, 2018
Weakness typeCWE-285CWE-285
How to fix
Update
- fuse_project fuse2.9.8, 3.2.5 or later
Vendor advisories
- debian.org/security/2018/dsa-4257
- access.redhat.com/errata/RHSA-2018:3324
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BREAIWIK64DRJWHIGR47L2D5YICY4HQ3/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5XYA6PXT5PPWVK7CM7K4YRCYWA37DODB/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A253TZWZK6R7PT2S5JIEAQJR2TYKX7V2/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| fuse_project fuse | v < 2.9.8, 3.0 ≤ v < 3.2.5 | 2.9.8, 3.2.5 |
| debian debian_linux | 8.0, 9.0 | — |
| redhat enterprise_linux_desktop | 7.0 | — |
| redhat enterprise_linux_server | 7.0 | — |
| redhat enterprise_linux_workstation | 7.0 | — |
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