CVE-2023-0751
Last modified
CVE-2023-0751 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. When GELI reads a key file from standard input, it does not reuse the key file to initialize multiple providers at once resulting in the second and subsequent devices silently using a NULL key as the user key file. If a user only uses a key file without a user passphrase, the master key is encrypted with an empty key file allowing trivial recovery of the master key. . EPSS estimates a 0.64% chance of exploitation in the next 30 days.
Description
When GELI reads a key file from standard input, it does not reuse the key file to initialize multiple providers at once resulting in the second and subsequent devices silently using a NULL key as the user key file. If a user only uses a key file without a user passphrase, the master key is encrypted with an empty key file allowing trivial recovery of the master key.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Freebsd | Freebsd | 12.3 |
| Freebsd | Freebsd | 12.4 |
| Freebsd | Freebsd | 13.1 |
References
- https://security.FreeBSD.org/advisories/FreeBSD-SA-23:01.geli.ascMitigation, Patch, Vendor Advisory
- https://security.FreeBSD.org/advisories/FreeBSD-SA-23:01.geli.ascMitigation, Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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