| Summary | A spoofing vulnerability exists when Windows incorrectly validates file signatures. An attacker who successfully exploited this vulnerability could bypass security features and load improperly signed files. |
|---|---|
| Publication Date | Aug. 18, 2020, 4:15 a.m. |
| Registration Date | Jan. 26, 2021, 11:52 a.m. |
| Last Update | Nov. 21, 2024, 2:10 p.m. |
| CVSS3.1 : HIGH | |
| スコア | 7.8 |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| 攻撃元区分(AV) | ローカル |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃に必要な特権レベル(PR) | 低 |
| 利用者の関与(UI) | 不要 |
| 影響の想定範囲(S) | 変更なし |
| 機密性への影響(C) | 高 |
| 完全性への影響(I) | 高 |
| 可用性への影響(A) | 高 |
| CVSS2.0 : LOW | |
| Score | 2.1 |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:N/I:P/A:N |
| 攻撃元区分(AV) | ローカル |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃前の認証要否(Au) | 不要 |
| 機密性への影響(C) | なし |
| 完全性への影響(I) | 低 |
| 可用性への影響(A) | なし |
| Get all privileges. | いいえ |
| Get user privileges | いいえ |
| Get other privileges | いいえ |
| User operation required | いいえ |
| Configuration1 | or higher | or less | more than | less than | |
| cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* | |||||
| cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2004:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10_2004:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_1903:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_1909:-:*:*:*:*:*:*:* | |||||
| Title | 複数の Microsoft Windows 製品におけるなりすまされる脆弱性 |
|---|---|
| Summary | 複数の Microsoft Windows 製品には、Windows がファイルの署名を正しく検証しない場合、なりすまされる脆弱性が存在します。 ベンダは、本脆弱性を「Windows のなりすましの脆弱性」として公開しています。 |
| Possible impacts | なりすま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 | Aug. 11, 2020, midnight |
| Registration Date | Sept. 14, 2020, 5:03 p.m. |
| Last Update | Sept. 14, 2020, 5:03 p.m. |
| マイクロソフト |
| Microsoft Windows 10 for 32-bit Systems |
| Microsoft Windows 10 for x64-based Systems |
| Microsoft Windows 10 Version 1607 for 32-bit Systems |
| Microsoft Windows 10 Version 1607 for x64-based Systems |
| Microsoft Windows 10 Version 1709 for 32-bit Systems |
| Microsoft Windows 10 Version 1709 for ARM64-based Systems |
| Microsoft Windows 10 Version 1709 for x64-based Systems |
| Microsoft Windows 10 Version 1803 for 32-bit Systems |
| Microsoft Windows 10 Version 1803 for ARM64-based Systems |
| Microsoft Windows 10 Version 1803 for x64-based Systems |
| Microsoft Windows 10 Version 1809 for 32-bit Systems |
| Microsoft Windows 10 Version 1809 for ARM64-based Systems |
| Microsoft Windows 10 Version 1809 for x64-based Systems |
| Microsoft Windows 10 Version 1903 for 32-bit Systems |
| Microsoft Windows 10 Version 1903 for ARM64-based Systems |
| Microsoft Windows 10 Version 1903 for x64-based Systems |
| Microsoft Windows 10 Version 1909 for 32-bit Systems |
| Microsoft Windows 10 Version 1909 for ARM64-based Systems |
| Microsoft Windows 10 Version 1909 for x64-based Systems |
| Microsoft Windows 10 Version 2004 for 32-bit Systems |
| Microsoft Windows 10 Version 2004 for ARM64-based Systems |
| Microsoft Windows 10 Version 2004 for x64-based Systems |
| Microsoft Windows 7 for 32-bit Systems SP1 |
| Microsoft Windows 7 for x64-based Systems SP1 |
| Microsoft Windows 8.1 for 32-bit systems |
| Microsoft Windows 8.1 for x64-based systems |
| Microsoft Windows RT 8.1 |
| Microsoft Windows Server version 1903 (Server Core installation) |
| Microsoft Windows Server version 1909 (Server Core installation) |
| Microsoft Windows Server version 2004 (Server Core installation) |
| Microsoft Windows Server 2008 for 32-bit Systems SP2 |
| Microsoft Windows Server 2008 for 32-bit Systems SP2 (Server Core installation) |
| Microsoft Windows Server 2008 for x64-based Systems SP2 |
| Microsoft Windows Server 2008 for x64-based Systems SP2 (Server Core installation) |
| Microsoft Windows Server 2008 R2 for x64-based Systems SP1 |
| Microsoft Windows Server 2008 R2 for x64-based Systems SP1 (Server Core installation) |
| Microsoft Windows Server 2012 |
| Microsoft Windows Server 2012 (Server Core installation) |
| Microsoft Windows Server 2012 R2 |
| Microsoft Windows Server 2012 R2 (Server Core installation) |
| Microsoft Windows Server 2016 |
| Microsoft Windows Server 2016 (Server Core installation) |
| Microsoft Windows Server 2019 |
| Microsoft Windows Server 2019 (Server Core installation) |
| No | Changed Details | Date of change |
|---|---|---|
| 1 | [2020年09月14日] 掲載 |
Sept. 14, 2020, 5:03 p.m. |