CVE-2018-8517
.NET Framework Denial Of Service Vulnerability
CVE-2018-8517 is fixed in 73 products on 1 platform, first by KB4471321, released December 11, 2018. It is not reported as exploited. Patch Radar priority: High.
HighPublicly disclosed
CVSS
n/a
Important
Exploitation
None reported
Exploitation Unlikely
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0567
93rd percentile
<p>A denial of service vulnerability exists when .NET Framework improperly handles special web requests.</p> <p>An attacker who successfully exploited this vulnerability could cause a denial of service against an .NET Framework web application. The vulnerability can be exploited remotely, without authentication.</p> <p>A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework application.</p> <p>The update addresses the vulnerability by correcting how the .NET Framework web application handles web requests.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Microsoft .NET Framework 3.5 Service Pack 1 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4470633 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 Service Pack 1 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4471102 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 Service Pack 1 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4470633 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 Service Pack 1 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 | KB4471102 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 Service Pack 1 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4470633 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 Service Pack 1 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4471102 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems | 14393.2665 | KB4471321 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems | 14393.2665 | KB4471321 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems | 15063.1506 | KB4471327 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems | 15063.1506 | KB4471327 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for 32-bit Systems | 16299.846 | KB4471329 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1709 for x64-based Systems | 16299.846 | KB4471329 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for 32-bit Systems | 17134.471 | KB4471324 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1803 for x64-based Systems | 17134.471 | KB4471324 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1809 for 32-bit Systems | KB4470502 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows 10 Version 1809 for x64-based Systems | KB4470502 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems | KB4470630 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows 8.1 for 32-bit systems | KB4470602 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems | KB4470630 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows 8.1 for x64-based systems | KB4470602 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 | KB4470629 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 | KB4470601 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) | KB4470629 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) | KB4470601 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 | KB4470630 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 | KB4470602 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) | KB4470630 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) | KB4470602 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2016 | 14393.2665 | KB4471321 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation) | 14393.2665 | KB4471321 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5 on Windows Server 2019 | KB4470502 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server 2019 (Server Core installation) | KB4470502 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5 on Windows Server, version 1709 (Server Core Installation) | 16299.846 | KB4471329 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5 on Windows Server, version 1803 (Server Core Installation) | 17134.471 | KB4471324 | Dec 11, 2018 |
| Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 | KB4470641 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows 7 for 32-bit Systems Service Pack 1 | KB4470600 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 | KB4470641 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows 7 for x64-based Systems Service Pack 1 | KB4470600 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4470641 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | KB4470600 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4470641 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4470600 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4470641 | Dec 11, 2018 | |
| Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4470600 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB4470637 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB4470493 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 | KB4470637 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 7 for x64-based Systems Service Pack 1 | KB4470493 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems | KB4470622 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for 32-bit systems | KB4470491 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems | KB4470622 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows 8.1 for x64-based systems | KB4470491 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows RT 8.1 | KB4470622 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4470637 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4470493 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4470637 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4470493 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4470637 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4470493 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4470637 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4470493 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 | KB4470623 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 | KB4470492 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) | KB4470623 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 (Server Core installation) | KB4470492 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 | KB4470622 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 | KB4470491 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) | KB4470622 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.5.2 on Windows Server 2012 R2 (Server Core installation) | KB4470491 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4470637 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for 32-bit Systems Service Pack 2 | KB4470500 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4470640 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6 on Windows Server 2008 for x64-based Systems Service Pack 2 | KB4470500 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems | 14393.2665 | KB4471321 | Dec 11, 2018 |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems | 14393.2665 | KB4471321 | Dec 11, 2018 |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 | 14393.2665 | KB4471321 | Dec 11, 2018 |
| Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) | 14393.2665 | KB4471321 | Dec 11, 2018 |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB4470640 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for 32-bit Systems Service Pack 1 | KB4470500 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 | KB4470640 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 7 for x64-based Systems Service Pack 1 | KB4470500 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems | KB4470499 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for 32-bit systems | KB4470630 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems | KB4470499 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows 8.1 for x64-based systems | KB4470639 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows RT 8.1 | KB4470639 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4470640 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | KB4470500 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4470640 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | KB4470500 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | KB4470498 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 | KB4470638 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) | KB4470498 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 (Server Core installation) | KB4470638 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | KB4470499 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 | KB4470639 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) | KB4470499 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2012 R2 (Server Core installation) | KB4470639 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems | 16299.846 | KB4471329 | Dec 11, 2018 |
| Microsoft .NET Framework 4.7.1/4.7.2 on Windows 10 Version 1709 for ARM64-based Systems | 16299.846 | KB4471329 | Dec 11, 2018 |
| Microsoft .NET Framework 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems | 16299.846 | KB4471329 | Dec 11, 2018 |
| Microsoft .NET Framework 4.7.1/4.7.2 on Windows Server, version 1709 (Server Core Installation) | 16299.846 | KB4471329 | Dec 11, 2018 |
| Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for 32-bit Systems | 17134.471 | KB4471324 | Dec 11, 2018 |
| Microsoft .NET Framework 4.7.2 on Windows 10 Version 1803 for x64-based Systems | 17134.471 | KB4471324 | Dec 11, 2018 |
| Microsoft .NET Framework 4.7.2 on Windows 10 Version 1809 for 32-bit Systems | KB4470502 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.7.2 on Windows 10 Version 1809 for x64-based Systems | KB4470502 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.7.2 on Windows Server 2019 | KB4470502 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.7.2 on Windows Server 2019 (Server Core installation) | KB4470502 | Dec 11, 2018 | |
| Microsoft .NET Framework 4.7.2 on Windows Server, version 1803 (Server Core Installation) | 17134.471 | KB4471324 | Dec 11, 2018 |
| Microsoft .NET Framework 4.7/4.7.1/4.7.2 on Windows 10 Version 1703 for 32-bit Systems | 15063.1506 | KB4471327 | Dec 11, 2018 |
| Microsoft .NET Framework 4.7/4.7.1/4.7.2 on Windows 10 Version 1703 for x64-based Systems | 15063.1506 | KB4471327 | Dec 11, 2018 |