Summary
Impact: Denial of Service. Microsoft rating: Important. Not known to be exploited — Exploitation More Likely. Customer action: Required.
Details
How could an attacker exploit this vulnerability?
In most situations, an unauthenticated attacker could send a specially crafted packet to a targeted server utilizing the Server Name Indication (SNI) over HTTP Protocol Stack (http.sys) to process packets, causing a denial of service (DOS).
Security updates
10.0.17763.3287 — https://support.microsoft.com/help/5016623
10.0.20348.887 — https://support.microsoft.com/help/5016627
10.0.19042.1889 — https://support.microsoft.com/help/5016616
10.0.14393.5291 — https://support.microsoft.com/help/5016622
6.2.9200.23817 — https://support.microsoft.com/help/5016672
6.2.9200.23817 — https://support.microsoft.com/help/5016684
6.3.9600.20520 — https://support.microsoft.com/help/5016681
6.3.9600.20520 — https://support.microsoft.com/help/5016683
Vulnerabilities 1
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High 7.5CVE-2022-35748 EPSS 47%
HTTP.sys Denial of Service Vulnerability
HTTP.sys Denial of Service Vulnerability
Revision history
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#1
Information published.
References
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CVE-2022-35748 HTTP.sys Denial of Service Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-35748
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss