| Summary | An elevation of privilege vulnerability exists when Microsoft IIS Server fails to check the length of a buffer prior to copying memory to it.An attacker who successfully exploited this vulnerability can allow an unprivileged function ran by the user to execute code in the context of NT AUTHORITY\system escaping the Sandbox.The security update addresses the vulnerability by correcting how Microsoft IIS Server sanitizes web requests., aka 'Microsoft IIS Server Elevation of Privilege Vulnerability'. |
|---|---|
| Publication Date | Oct. 10, 2019, 11:15 p.m. |
| Registration Date | Jan. 26, 2021, 11:38 a.m. |
| Last Update | Nov. 21, 2024, 1:36 p.m. |
| CVSS3.1 : CRITICAL | |
| スコア | 9.9 |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
| 攻撃元区分(AV) | ネットワーク |
| 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) | 変更あり |
| 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 : HIGH | |
| Score | 9.0 |
|---|---|
| Vector | AV:N/AC:L/Au:S/C:C/I:C/A:C |
| 攻撃元区分(AV) | ネットワーク |
| 攻撃条件の複雑さ(AC) | 低 |
| 攻撃前の認証要否(Au) | 単一 |
| 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 |
| 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_7:-:sp1:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* | |||||
| cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* | |||||
| Title | 複数の Microsoft Windows 製品の Internet Information Server における権限を昇格される脆弱性 |
|---|---|
| Summary | 複数の Microsoft Windows 製品の Internet Information Server には、メモリをコピーする前のバッファ長の確認に失敗した場合、権限を昇格される脆弱性が存在します。 ベンダは、本脆弱性を「Microsoft IIS Server の特権の昇格の脆弱性」として公開しています。 |
| Possible impacts | 権限を昇格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 | Oct. 8, 2019, midnight |
| Registration Date | Oct. 24, 2019, 5:18 p.m. |
| Last Update | Oct. 24, 2019, 5:18 p.m. |
| マイクロソフト |
| Microsoft Windows 10 Version 1607 for 32-bit Systems |
| Microsoft Windows 10 Version 1607 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 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 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 | [2019年10月24日] 掲載 |
Oct. 24, 2019, 5:18 p.m. |