Summary
Impact: Remote Code Execution. Microsoft rating: Critical. Not known to be exploited — Exploitation More Likely. Customer action: Required.
Details
How could an attacker exploit this vulnerability?
An unauthorized attacker could exploit this Internet Connection Sharing (ICS) vulnerability by sending a specially crafted network packet to the Internet Connection Sharing (ICS) Service.
According to the CVSS score, the attack vector is adjacent (AV:A). What does this mean for this vulnerability?
This attack is limited to systems connected to the same network segment as the attacker. The attack cannot be performed across multiple networks (for example, a WAN) and would be limited to systems on the same network switch or virtual network.
Security updates
10.0.20348.1970 — https://support.microsoft.com/help/5030216
10.0.20348.1964 — https://support.microsoft.com/help/5030325
10.0.22000.2416 — https://support.microsoft.com/help/5030217
10.0.19044.3448 — https://support.microsoft.com/help/5030211
10.0.22621.2283 — https://support.microsoft.com/help/5030219
Vulnerabilities 1
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High 8.8
Internet Connection Sharing (ICS) Remote Code Execution Vulnerability
Internet Connection Sharing (ICS) Remote Code Execution Vulnerability
Revision history
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#2
Added an acknowledgement. This is an informational change only.
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#1
Information published.
References
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CVE-2023-38148 Internet Connection Sharing (ICS) Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38148
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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