CVE-2023-35838

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Summary

CVECVE-2023-35838
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-08-09 23:15:00 UTC
Updated2023-10-31 09:15:00 UTC
DescriptionThe 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.

Risk And Classification

Problem Types: CWE-610

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows - All All All
Application Wireguard Wireguard 0.5.3 All All All

References

ReferenceSourceLinkTags
WireGuard: fast, modern, secure VPN tunnel MISC wireguard.com
Security Advisory CONFIRM psirt.global.sonicwall.com
TunnelCrack: Widespread design flaws in VPN clients MISC tunnelcrack.mathyvanhoef.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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