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?
To exploit this vulnerability, an attacker would need to send a maliciously crafted DHCP message to a server that runs the Internet Connection Sharing 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
10.0.17763.5206 — https://support.microsoft.com/help/5033371
10.0.20348.2159 — https://support.microsoft.com/help/5033118
10.0.20348.2144 — https://support.microsoft.com/help/5033464
10.0.22000.2652 — https://support.microsoft.com/help/5033369
10.0.19041.3803 — https://support.microsoft.com/help/5033372
10.0.22621.2861 — https://support.microsoft.com/help/5033375
10.0.25398.584 — https://support.microsoft.com/help/5033383
10.0.10240.20345 — https://support.microsoft.com/help/5033379
10.0.14393.6529 — https://support.microsoft.com/help/5033373
6.0.6003.22413 — https://support.microsoft.com/help/5033422
6.0.6003.22413 — https://support.microsoft.com/help/5033427
6.1.7601.26864 — https://support.microsoft.com/help/5033433
6.1.7601.26864 — https://support.microsoft.com/help/5033424
6.2.9200.24614 — https://support.microsoft.com/help/5033429
6.3.9600.21715 — https://support.microsoft.com/help/5033420
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 mitigation. This is an informational change only.
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#1
Information published.
References
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CVE-2023-35641 Internet Connection Sharing (ICS) Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35641
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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