CVE-2023-46445

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."
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
mitreCNA
---
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
VendorProductVersion
asyncssh_projectasyncssh
𝑥
< 2.14.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
python-asyncssh
bullseye
vulnerable
bookworm
no-dsa
buster
no-dsa
bullseye (security)
2.5.0-0.1+deb11u1
fixed
bookworm (security)
vulnerable
sid
2.19.0-1
fixed
trixie
2.19.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
python-asyncssh
oracular
needs-triage
noble
Fixed 2.10.1-2ubuntu0.1+esm1
released
mantic
ignored
lunar
ignored
jammy
Fixed 2.5.0-1ubuntu0.1
released
focal
Fixed 1.12.2-1ubuntu0.2
released
bionic
Fixed 1.11.1-1ubuntu0.1~esm2
released
xenial
ignored
trusty
ignored
Common Weakness Enumeration
References
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
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://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
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