VulnerabilityModified
CVE-2020-24717
OpenZFS before 2.0.0-rc1, when used on FreeBSD, misinterprets group permissions as user permissions, as demonstrated by mode 0770 being equivalent to mode 0777.
HIGH 7.8EPSS 0.46%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.46%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
OpenZFS before 2.0.0-rc1, when used on FreeBSD, misinterprets group permissions as user permissions, as demonstrated by mode 0770 being equivalent to mode 0777.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.46% probability · 39th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-276
- Affected
- openzfs/openzfs
- Source
- cve@mitre.org
References
- https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73fPatch, Third Party Advisory
- https://github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1Patch, Third Party Advisory
- https://jira.ixsystems.com/browse/NAS-107270Exploit, Issue Tracking, Patch, Third Party Advisory
- https://reviews.freebsd.org/D26107Issue Tracking, Patch, Third Party Advisory
- https://github.com/openzfs/zfs/commit/716b53d0a14c72bda16c0872565dd1909757e73fPatch, Third Party Advisory
- https://github.com/openzfs/zfs/compare/zfs-0.8.4...zfs-2.0.0-rc1Patch, Third Party Advisory
- https://jira.ixsystems.com/browse/NAS-107270Exploit, Issue Tracking, Patch, Third Party Advisory
- https://reviews.freebsd.org/D26107Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.