Windows Denial of Service Vulnerability
CVE-2018-0833 is fixed in 5 products on 1 platform, first by KB4074597, released February 13, 2018. It is not reported as exploited. Patch Radar priority: Routine.
<p>A denial of service vulnerability exists in implementations of the Microsoft Server Message Block 2.0 and 3.0 (SMBv2/SMBv3) client. The vulnerability is due to improper handling of certain requests sent by a malicious SMB server to the client. An attacker who successfully exploited this vulnerability could cause the affected system to stop responding until it is manually restarted.</p> <p>To exploit the vulnerability, an attacker could use various methods such as redirectors, injected HTML header links, etc., which could cause the SMB client to connect to a malicious SMB server.</p> <p>The security update addresses the vulnerability by correcting how the Microsoft SMBv2/SMBv3 Client handles specially crafted requests.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 8.1 for 32-bit systems | KB4074597 | Feb 13, 2018 | |
| Windows 8.1 for 32-bit systems | KB4074594 | Feb 13, 2018 | |
| Windows 8.1 for x64-based systems | KB4074597 | Feb 13, 2018 | |
| Windows 8.1 for x64-based systems | KB4074594 | Feb 13, 2018 | |
| Windows RT 8.1 | KB4074594 | Feb 13, 2018 | |
| Windows Server 2012 R2 | KB4074597 | Feb 13, 2018 | |
| Windows Server 2012 R2 | KB4074594 | Feb 13, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4074597 | Feb 13, 2018 | |
| Windows Server 2012 R2 (Server Core installation) | KB4074594 | Feb 13, 2018 | |
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