| Title | FreeBSD における競合状態に関する脆弱性 |
|---|---|
| Summary | FreeBSD には、競合状態に関する脆弱性が存在します。 |
| Possible impacts | 情報を取得される、情報を改ざんされる、およびサービス運用妨害 (DoS) 状態にされる可能性があります。 |
| Solution | ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。 |
| Publication Date | Sept. 14, 2020, midnight |
| Registration Date | Dec. 15, 2021, 5:52 p.m. |
| Last Update | Dec. 15, 2021, 5:52 p.m. |
| CVSS3.0 : 重要 | |
| Score | 7.5 |
|---|---|
| Vector | CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H |
| CVSS2.0 : 警告 | |
| Score | 6.2 |
|---|---|
| Vector | AV:L/AC:H/Au:N/C:C/I:C/A:C |
| FreeBSD |
| FreeBSD n245118 未満の 13.0-STABLE |
| FreeBSD p1 未満の 13.0-RC5 |
| FreeBSD p6 未満の 12.2-RELEASE |
| FreeBSD p9 未満の 11.4-RELEASE |
| FreeBSD r369552 未満の 12.2-STABLE |
| FreeBSD r369560 未満の 11.4-STABLE |
| No | Changed Details | Date of change |
|---|---|---|
| 1 | [2021年12月15日] 掲載 |
Dec. 15, 2021, 5:52 p.m. |
| Summary | 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. |
|---|---|
| Publication Date | April 8, 2021, 12:15 a.m. |
| Registration Date | April 8, 2021, 10:01 a.m. |
| Last Update | Nov. 21, 2024, 2:18 p.m. |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:o:freebsd:freebsd:11.4:beta1:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:11.4:-:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:11.4:rc2:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:11.4:rc1:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:11.4:p1:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:11.4:p3:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:11.4:p2:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:12.2:p1:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:12.2:p2:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:12.2:-:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* | 11.4 | ||||
| cpe:2.3:o:freebsd:freebsd:11.4:p4:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:11.4:p5:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:13.0:rc5:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:13.0:rc1:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:13.0:rc2:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:13.0:rc4:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:13.0:beta1:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:13.0:beta2:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:13.0:beta3:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:13.0:beta4:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:13.0:rc3:*:*:*:*:*:* | |||||
| cpe:2.3:o:freebsd:freebsd:*:*:*:*:*:*:*:* | 12.0 | 12.2 | |||