CVE-2023-46445

Summary

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."

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTE/
• https://www.terrapin-attack.com
• https://github.com/ronf/asyncssh/blob/develop/docs/changes.rst
• https://github.com/advisories/GHSA-cfc2-wr2v-gxm5
• http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html
• https://security.netapp.com/advisory/ntap-20231222-0001/
• https://lists.debian.org/debian-lts-announce/2024/09/msg00042.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTE/
• https://www.terrapin-attack.com
• https://github.com/ronf/asyncssh/blob/develop/docs/changes.rst
• https://github.com/advisories/GHSA-cfc2-wr2v-gxm5
• http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html
• https://security.netapp.com/advisory/ntap-20231222-0001/

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