CVE-2021-26910
- State
- Published
- Severity
- 7.8 High
- Published
- Feb 8, 2021
- Updated
- Aug 3, 2024
- Reserved
- Feb 8, 2021
Description
Firejail before 0.9.64.4 allows attackers to bypass intended access restrictions because there is a TOCTOU race condition between a stat operation and an OverlayFS mount operation.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AC:L/AV:L/A:H/C:H/I:H/PR:L/S:U/UI:N | mitre |
Weaknesses
The record names no weakness.
Affected Products
| Product | Versions |
|---|---|
n/an/a |
|
References
- https://github.com/netblue30/firejail/commit/97d8a03cad19501f017587cc4e47d8418273834b
- https://unparalleled.eu/publications/2021/advisory-unpar-2021-0.txt
- https://unparalleled.eu/blog/2021/20210208-rigged-race-against-firejail-for-local-root/
- https://github.com/netblue30/firejail/releases/tag/0.9.64.4
- [oss-security] 20210209 Re: [cve-pending] Firejail: root privilege escalation in OverlayFS codemailing-list
- DSA-4849vendor-advisory
- [debian-lts-announce] 20210211 [SECURITY] [DLA 2554-1] firejail security updatemailing-list
- GLSA-202105-19vendor-advisory
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