CVE-2024-6759
Last modified
CVE-2024-6759 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. When mounting a remote filesystem using NFS, the kernel did not sanitize remotely provided filenames for the path separator character, "/". This allows readdir(3) and related functions to return filesystem entries with names containing additional path components. The lack of validation described above gives rise to a confused deputy problem. EPSS estimates a 0.68% chance of exploitation in the next 30 days.
Description
When mounting a remote filesystem using NFS, the kernel did not sanitize remotely provided filenames for the path separator character, "/". This allows readdir(3) and related functions to return filesystem entries with names containing additional path components. The lack of validation described above gives rise to a confused deputy problem. For example, a program copying files from an NFS mount could be tricked into copying from outside the intended source directory, and/or to a location outside the intended destination directory.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Freebsd | Freebsd | < 13.0 | — |
| Freebsd | Freebsd | >= 13.1, < 13.3 | — |
| Freebsd | Freebsd | 13.3 | P1 |
| Freebsd | Freebsd | 14.0 | Beta5 |
| Freebsd | Freebsd | 14.1 | P1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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