cve/2023/CVE-2023-46445.md

CVE-2023-46445

Description

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."

POC

Reference

• http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html
• https://github.com/advisories/GHSA-cfc2-wr2v-gxm5
• https://github.com/ronf/asyncssh/blob/develop/docs/changes.rst
• https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5

Github

• https://github.com/RUB-NDS/Terrapin-Artifacts