CVE-2020-25584
CVSS V2 Medium 6.2
CVSS V3 High 7.5
Description
In FreeBSD 13.0-STABLE before n245118, 12.2-STABLE before r369552, 11.4-STABLE before r369560, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, a superuser inside a FreeBSD jail configured with the non-default allow.mount permission could cause a race condition between the lookup of ".." and remounting a filesystem, allowing access to filesystem hierarchy outside of the jail.
Overview
- CVE ID
- CVE-2020-25584
- Assigner
- secteam@freebsd.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-04-07T15:15:13
- Last Modified Date
- 2021-06-03T19:10:33
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* | 1 | OR | 11.4 | |
| cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* | 1 | OR | 12.0 | 12.2 |
| cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:11.4:beta1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:11.4:p4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:11.4:p5:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:11.4:rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:11.4:rc2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:beta1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:beta2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:beta3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:beta4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:rc1:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:rc2:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:rc3:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:rc4:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:freebsd:freebsd:13.0:rc5:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:L/AC:H/Au:N/C:C/I:C/A:C
- Access Vector
- LOCAL
- Access Compatibility
- HIGH
- Authentication
- NONE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 6.2
- Severity
- MEDIUM
- Exploitability Score
- 1.9
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
- Attack Vector
- LOCAL
- Attack Compatibility
- HIGH
- Privileges Required
- HIGH
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 0.8
- Impact Score
- 6
References
| Reference URL | Reference Tags |
|---|---|
| https://security.FreeBSD.org/advisories/FreeBSD-SA-21:10.jail_mount.asc | Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20210423-0009/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-25584 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25584 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:13:39 | Added to TrackCVE | |||
| 2022-12-06 01:22:42 | 2021-04-07T15:15Z | 2021-04-07T15:15:13 | CVE Published Date | updated |
| 2022-12-06 01:22:42 | 2021-06-03T19:10:33 | CVE Modified Date | updated | |
| 2022-12-06 01:22:43 | Analyzed | Vulnerability Status | updated |