Vulnerability DatabaseCVE-2023-46445
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CVE-2023-46445
November 14, 2023
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 Packages
asyncssh (PYTHON):
Affected version(s) >=0.8.1 <2.14.1
Fix Suggestion:
Update to version 2.14.1
Related Resources (15)
https://security.netapp.com/advisory/ntap-20231222-0001/
http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html
https://lists.debian.org/debian-lts-announce/2024/09/msg00042.html
https://security-tracker.debian.org/tracker/CVE-2023-46445
https://github.com/ronf/asyncssh/blob/develop/docs/changes.rst
https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5
https://nvd.nist.gov/vuln/detail/CVE-2023-46445
https://github.com/advisories/GHSA-cfc2-wr2v-gxm5
https://github.com/pypa/advisory-database/tree/main/vulns/asyncssh/PYSEC-2023-237.yaml
https://github.com/ronf/asyncssh
https://security.netapp.com/advisory/ntap-20231222-0001
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTE/
https://github.com/ronf/asyncssh/commit/83e43f5ea3470a8617fc388c72b062c7136efd7e
https://www.terrapin-attack.com
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CVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Acceptance of Extraneous Untrusted Data With Trusted Data
CWE-349
Insufficient Verification of Data Authenticity
CWE-345
Improper Validation of Integrity Check Value
CWE-354
EPSS
Base Score:
0.57