HTTP/2 Server Denial of Service Vulnerability
CVE-2019-9518 is fixed in 31 products on 2 platforms, first by libnetty-java 1:4.1.7-4ubuntu0.1+esm1, released August 12, 2019. It is not reported as exploited. Patch Radar priority: High.
<p>A denial of service vulnerability exists in the HTTP/2 protocol stack (HTTP.sys) when HTTP.sys improperly parses specially crafted HTTP/2 requests. An attacker who successfully exploited the vulnerability could create a denial of service condition, causing the target system to become unresponsive.</p> <p>To exploit this vulnerability, an unauthenticated attacker could send a specially crafted HTTP packet to a target system, causing the affected system to become nonresponsive.</p> <p>The update addresses the vulnerability by modifying how the Windows HTTP protocol stack handles HTTP/2 requests. Note that the denial of service vulnerability would not allow an attacker to execute code or to elevate user rights.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Windows 10 Version 1607 for 32-bit Systems | 14393.3144 | KB4512517 | Aug 13, 2019 |
| Windows 10 Version 1607 for x64-based Systems | 14393.3144 | KB4512517 | Aug 13, 2019 |
| Windows 10 Version 1703 for 32-bit Systems | 15063.1988 | KB4512507 | Aug 13, 2019 |
| Windows 10 Version 1703 for x64-based Systems | 15063.1988 | KB4512507 | Aug 13, 2019 |
| Windows 10 Version 1709 for 32-bit Systems | 16299.1331 | KB4512516 | Aug 13, 2019 |
| Windows 10 Version 1709 for ARM64-based Systems | 16299.1331 | KB4512516 | Aug 13, 2019 |
| Windows 10 Version 1709 for x64-based Systems | 16299.1331 | KB4512516 | Aug 13, 2019 |
| Windows 10 Version 1803 for 32-bit Systems | 17134.950 | KB4512501 | Aug 13, 2019 |
| Windows 10 Version 1803 for ARM64-based Systems | 17134.950 | KB4512501 | Aug 13, 2019 |
| Windows 10 Version 1803 for x64-based Systems | 17134.950 | KB4512501 | Aug 13, 2019 |
| Windows 10 Version 1809 for 32-bit Systems | 17763.678 | KB4511553 | Aug 13, 2019 |
| Windows 10 Version 1809 for ARM64-based Systems | 17763.678 | KB4511553 | Aug 13, 2019 |
| Windows 10 Version 1809 for x64-based Systems | 17763.678 | KB4511553 | Aug 13, 2019 |
| Windows 10 Version 1903 for 32-bit Systems | 18362.295 | KB4512508 | Aug 13, 2019 |
| Windows 10 Version 1903 for ARM64-based Systems | 18362.295 | KB4512508 | Aug 13, 2019 |
| Windows 10 Version 1903 for x64-based Systems | 18362.295 | KB4512508 | Aug 13, 2019 |
| Windows 10 for 32-bit Systems | 10240.18305 | KB4512497 | Aug 13, 2019 |
| Windows 10 for x64-based Systems | 10240.18305 | KB4512497 | Aug 13, 2019 |
| Windows Server 2016 | 14393.3144 | KB4512517 | Aug 13, 2019 |
| Windows Server 2016 (Server Core installation) | 14393.3144 | KB4512517 | Aug 13, 2019 |
| Windows Server 2019 | 17763.678 | KB4511553 | Aug 13, 2019 |
| Windows Server 2019 (Server Core installation) | 17763.678 | KB4511553 | Aug 13, 2019 |
| Windows Server, version 1803 (Server Core Installation) | 17134.950 | KB4512501 | Aug 13, 2019 |
| Windows Server, version 1903 (Server Core installation) | 18362.295 | KB4512508 | Aug 13, 2019 |
| Linux | |||
| libnetty-java · Ubuntu 18.04.6 LTS (bionic) | 1:4.1.7-4ubuntu0.1+esm1 | libnetty-java 1:4.1.7-4ubuntu0.1+esm1 | Aug 12, 2019 |
| nodejs · RHEL 8 | 1:10.16.3-2.module+el8.0.0+4214+49953fda | RHSA-2019:2925 | Sep 30, 2019 |
| nodejs · ol 8 | 1:10.14.1-1.module+el8.0.0+5349+4d6b561f | ELSA-2019-2925 | Sep 30, 2019 |
| nodejs-devel · RHEL 8 | 1:10.16.3-2.module+el8.0.0+4214+49953fda | RHSA-2019:2925 | Sep 30, 2019 |
| nodejs-devel · ol 8 | 1:10.14.1-1.module+el8.0.0+5349+4d6b561f | ELSA-2019-2925 | Sep 30, 2019 |
| nodejs-docs · RHEL 8 | 1:10.16.3-2.module+el8.0.0+4214+49953fda | RHSA-2019:2925 | Sep 30, 2019 |
| nodejs-docs · ol 8 | 1:10.14.1-1.module+el8.0.0+5349+4d6b561f | ELSA-2019-2925 | Sep 30, 2019 |
| nodejs-nodemon · RHEL 8 | 0:1.18.3-1.module+el8+2632+6c5111ed | RHSA-2019:2925 | Sep 30, 2019 |
| nodejs-nodemon · ol 8 | 0:1.18.3-1.module+el8.0.0+5349+4d6b561f | ELSA-2019-2925 | Sep 30, 2019 |
| nodejs-packaging · RHEL 8 | 0:17-3.module+el8+2873+aa7dfd9a | RHSA-2019:2925 | Sep 30, 2019 |
| nodejs-packaging · ol 8 | 0:17-3.module+el8.0.0+5349+4d6b561f | ELSA-2019-2925 | Sep 30, 2019 |
| npm · RHEL 8 | 1:6.9.0-1.10.16.3.2.module+el8.0.0+4214+49953fda | RHSA-2019:2925 | Sep 30, 2019 |
| npm · ol 8 | 1:6.4.1-1.10.14.1.1.module+el8.0.0+5349+4d6b561f | ELSA-2019-2925 | Sep 30, 2019 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.