Windows SMB Information Disclosure Vulnerability
CVE-2019-0703 is fixed in 38 products on 1 platform, first by KB4489882, released March 12, 2019. It is being exploited: CISA added it to the Known Exploited Vulnerabilities catalog on May 23, 2022. Patch Radar priority: Patch now.
<p>An information disclosure vulnerability exists in the way that the Windows SMB Server handles certain requests. An authenticated attacker who successfully exploited this vulnerability could craft a special packet, which could lead to information disclosure from the server.</p> <p>To exploit the vulnerability, an attacker would have to be able to authenticate and send SMB messages to an impacted Windows SMB Server</p> <p>The security update addresses the vulnerability by correcting how Windows SMB Server handles authenticated requests.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.2848 | KB4489882 | Mar 12, 2019 |
| Windows 10 Version 1607 for x64-based Systems | 14393.2848 | KB4489882 | Mar 12, 2019 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.1689 | KB4489871 | Mar 12, 2019 |
| Windows 10 Version 1703 for x64-based Systems | 15063.1689 | KB4489871 | Mar 12, 2019 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.1029 | KB4489886 | Mar 12, 2019 |
| Windows 10 Version 1709 for ARM64-based Systems | 16299.1029 | KB4489886 | Mar 12, 2019 |
| Windows 10 Version 1709 for x64-based Systems | 16299.1029 | KB4489886 | Mar 12, 2019 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.648 | KB4489868 | Mar 12, 2019 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.648 | KB4489868 | Mar 12, 2019 |
| Windows 10 Version 1803 for x64-based Systems | 17134.648 | KB4489868 | Mar 12, 2019 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.379 | KB4489899 | Mar 12, 2019 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.379 | KB4489899 | Mar 12, 2019 |
| Windows 10 Version 1809 for x64-based Systems | 17763.379 | KB4489899 | Mar 12, 2019 |
| Windows 10 for 32-bit Systems | 10240.18158 | KB4489872 | Mar 12, 2019 |
| Windows 10 for x64-based Systems | 10240.18158 | KB4489872 | Mar 12, 2019 |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4489878 | Mar 12, 2019 | |
| Windows 7 for 32-bit Systems Service Pack 1 | KB4489885 | Mar 12, 2019 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4489878 | Mar 12, 2019 | |
| Windows 7 for x64-based Systems Service Pack 1 | KB4489885 | Mar 12, 2019 | |
| Windows 8.1 for 32-bit systems | KB4489883 | Mar 12, 2019 | |
| Windows 8.1 for 32-bit systems | KB4489881 | Mar 12, 2019 | |
| Windows 8.1 for x64-based systems | KB4489883 | Mar 12, 2019 | |
| Windows 8.1 for x64-based systems | KB4489881 | Mar 12, 2019 | |
| Windows RT 8.1 | KB4489881 | Mar 12, 2019 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4489878 | Mar 12, 2019 | |
| Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4489885 | Mar 12, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4489878 | Mar 12, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4489885 | Mar 12, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4489878 | Mar 12, 2019 | |
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4489885 | Mar 12, 2019 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4489876 | Mar 12, 2019 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4489880 | Mar 12, 2019 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4489876 | Mar 12, 2019 | |
| Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | KB4489880 | Mar 12, 2019 | |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4489876 | Mar 12, 2019 | |
| Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4489880 | Mar 12, 2019 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4489876 | Mar 12, 2019 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 | KB4489880 | Mar 12, 2019 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4489876 | Mar 12, 2019 | |
| Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | KB4489880 | Mar 12, 2019 | |
| Windows Server 2012 | KB4489884 | Mar 12, 2019 | |
| Windows Server 2012 | KB4489891 | Mar 12, 2019 | |
| Windows Server 2012 (Server Core installation) | KB4489884 | Mar 12, 2019 | |
| Windows Server 2012 (Server Core installation) | KB4489891 | Mar 12, 2019 | |
| Windows Server 2012 R2 | KB4489883 | Mar 12, 2019 | |
| Windows Server 2012 R2 | KB4489881 | Mar 12, 2019 | |
| Windows Server 2012 R2 (Server Core installation) | KB4489883 | Mar 12, 2019 | |
| Windows Server 2012 R2 (Server Core installation) | KB4489881 | Mar 12, 2019 | |
| Windows Server 2016 | 14393.2848 | KB4489882 | Mar 12, 2019 |
| Windows Server 2016 (Server Core installation) | 14393.2848 | KB4489882 | Mar 12, 2019 |
| Windows Server 2019 | 17763.379 | KB4489899 | Mar 12, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.379 | KB4489899 | Mar 12, 2019 |
| Windows Server, version 1709 (Server Core Installation) | 16299.1029 | KB4489886 | Mar 12, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.648 | KB4489868 | Mar 12, 2019 |
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