CyberRota Analysis
AI-GeneratedThe vulnerability affects the wg(4) driver in FreeBSD, which fails to verify the success of MAC verification after decrypting packets, allowing attackers to inject forged UDP packets into a WireGuard tunnel. This could lead to unauthorized access or manipulation of transport data, compromising the integrity and confidentiality of the communication. Organizations using FreeBSD with WireGuard should prioritize addressing this issue to mitigate potential exploitation by remote attackers.
Original NVD Description
After dispatching a decrypt operation to OCF and receiving the result, the wg(4) driver failed to check whether the MAC verification step succeeded. The driver thus silently accepted packets with an invalid Poly1305 authentication tag. A remote attacker who can send UDP packets to a WireGuard endpoint, and who can guess the bounds of the receiver's replay window, can inject forged or modified transport data packets into the tunnel. A remote attacker who can intercept WireGuard packets bound for a FreeBSD host can modify the ciphertext and authenticated data without detection by the receiver.
Related CVEs
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