| Summary | An information disclosure vulnerability exists in the Cryptography Next Generation (CNG) service when it fails to properly handle objects in memory.To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application.The security update addresses the vulnerability by correcting how the service handles objects in memory., aka 'Windows Key Isolation Service Information Disclosure Vulnerability'. This CVE ID is unique from CVE-2020-0675, CVE-2020-0677, CVE-2020-0748, CVE-2020-0755, CVE-2020-0756. |
|---|---|
| Publication Date | Feb. 12, 2020, 7:15 a.m. |
| Registration Date | Jan. 26, 2021, 11:50 a.m. |
| Last Update | Nov. 21, 2024, 1:53 p.m. |
| CVSS3.1 : MEDIUM | |
| スコア | 5.5 |
|---|---|
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| 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) | なし |
| 可用性への影響(A) | なし |
| CVSS2.0 : LOW | |
| Score | 2.1 |
|---|---|
| Vector | AV:L/AC:L/Au:N/C:P/I:N/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) | 低 |
| 完全性への影響(I) | なし |
| 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_server_2008:r2:sp1:*:*:*:*:itanium:* | |||||
| cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* | |||||
| 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_10:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10:1909:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:* | |||||
| Title | 複数の Microsoft Windows 製品における情報を公開される脆弱性 |
|---|---|
| Summary | 複数の Microsoft Windows 製品には、Cryptography Next Generation (CNG) サービスがメモリ内のオブジェクトを適切に処理しない場合、情報を公開される脆弱性が存在します。 ベンダは、本脆弱性を「Windows キー分離サービスの情報漏えいの脆弱性」として公開しています。 本脆弱性は、CVE-2020-0675、CVE-2020-0677、CVE-2020-0748、CVE-2020-0755、CVE-2020-0756 とは異なる脆弱性です。 |
| Possible impacts | 情報を公開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 | Feb. 11, 2020, midnight |
| Registration Date | Feb. 26, 2020, 6:05 p.m. |
| Last Update | Feb. 26, 2020, 6:05 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 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 1803 (Server Core Installation) |
| Microsoft Windows Server version 1903 (Server Core installation) |
| Microsoft Windows Server version 1909 (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 Itanium-Based Systems SP2 |
| 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 Itanium-Based Systems SP1 |
| 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02月26日] 掲載 |
Feb. 26, 2020, 6:05 p.m. |