CVE-2023-46445
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
—
Description
An issue in AsyncSSH v2.14.0 and earlier allows attackers to control the extension info message (RFC 8308) via a man-in-the-middle attack.
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2.10.1-2+deb12u2 |
| debian | bullseye | fixed | 2.5.0-0.1+deb11u1 |
| debian | forky | fixed | 2.15.0-1 |
| debian | sid | fixed | 2.15.0-1 |
| debian | trixie | fixed | 2.15.0-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | asyncssh | <2.14.1 | 2.14.1 |
References
- https://github.com/ronf/asyncssh/security/advisories/GHSA-cfc2-wr2v-gxm5
- https://nvd.nist.gov/vuln/detail/CVE-2023-46445
- https://github.com/ronf/asyncssh/commit/83e43f5ea3470a8617fc388c72b062c7136efd7e
- 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://github.com/ronf/asyncssh/blob/develop/docs/changes.rst
- https://lists.debian.org/debian-lts-announce/2024/09/msg00042.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ME34ROZWMDK5KLMZKTSA422XVJZ7IMTE
- https://security.netapp.com/advisory/ntap-20231222-0001
- https://www.terrapin-attack.com
- http://packetstormsecurity.com/files/176280/Terrapin-SSH-Connection-Weakening.html
- https://security-tracker.debian.org/tracker/CVE-2023-46445
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.