CVE-2023-35298
published 2023-07-11CVE-2023-35298: HTTP.sys Denial of Service Vulnerability HTTP.sys Denial of Service Vulnerability
high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.78%
75.8th percentile
HTTP.sys Denial of Service Vulnerability
HTTP.sys Denial of Service Vulnerability
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_11_version_21h2 | >= 10.0.0 < 10.0.22000.2176 | 10.0.22000.2176 |
| microsoft | windows_11_version_22h2 | >= 10.0.22621.0 < 10.0.22621.1992 | 10.0.22621.1992 |
| microsoft | windows_server_2022 | >= 10.0.20348.0 < 10.0.20348.1850 | 10.0.20348.1850 |
| msrc | windows_11_version_21h2_for_arm64-based_systems | — | — |
| msrc | windows_11_version_21h2_for_x64-based_systems | — | — |
| msrc | windows_11_version_22h2_for_arm64-based_systems | — | — |
| msrc | windows_11_version_22h2_for_x64-based_systems | — | — |
| msrc | windows_server_2022 | — | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
cvelistv57.5HIGH
vendor_msrc7.5HIGH
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Microsoft
HTTP.sys Denial of Service Vulnerability
vendor_msrc·2023-07-11·CVSS 7.5
CVE-2023-35298 [HIGH] CWE-400 HTTP.sys Denial of Service Vulnerability
HTTP.sys Denial of Service Vulnerability
FAQ: 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).
Windows HTTP.sys: Windows HTTP.sys
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Denial of Service
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely;DOS:N/A
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5028171
Reference: https://support.microsoft.com/help/5028171
Reference: https://catalog.update.microsoft.com/v7/site/Search.aspx?q=KB5028182
Reference: https://
CVEList
HTTP.sys Denial of Service Vulnerability
cvelistv5·2023-07-11·CVSS 7.5
CVE-2023-35298 [HIGH] CWE-400 HTTP.sys Denial of Service Vulnerability
HTTP.sys Denial of Service Vulnerability
HTTP.sys Denial of Service Vulnerability
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2023-07-11
Published