CVE-2023-46445

5.9 MEDIUM

Published: November 14, 2023 Modified: November 03, 2025

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."

AI Explanation

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html

Source: cve@mitre.org

https://github.com/advisories/GHSA-cfc2-wr2v-gxm5

Source: cve@mitre.org

https://github.com/ronf/asyncssh/blob/develop/docs/changes.rst

Source: cve@mitre.org

https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5

Source: cve@mitre.org

Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTE/

Source: cve@mitre.org

https://security.netapp.com/advisory/ntap-20231222-0001/

Source: cve@mitre.org

https://www.terrapin-attack.com

Source: cve@mitre.org

http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html