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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2023-35838 Detail

Description

The WireGuard client 0.5.3 on Windows insecurely configures the operating system and firewall such that traffic to a local network that uses non-RFC1918 IP addresses is blocked. This allows an adversary to trick the victim into blocking IP traffic to selected IP addresses and services even while the VPN is enabled. NOTE: the tunnelcrack.mathyvanhoef.com website uses this CVE ID to refer more generally to "LocalNet attack resulting in the blocking of traffic" rather than to only WireGuard.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0015
https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2023-0015
https://tunnelcrack.mathyvanhoef.com/details.html Exploit  Third Party Advisory 
https://tunnelcrack.mathyvanhoef.com/details.html Exploit  Third Party Advisory 
https://wireguard.com Product 
https://wireguard.com Product 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-610 Externally Controlled Reference to a Resource in Another Sphere cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

4 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2023-35838
NVD Published Date:
08/09/2023
NVD Last Modified:
11/21/2024
Source:
MITRE