Description
Paramiko not properly checking authentication before processing other requests
transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1 does not properly check whether authentication is completed before processing other requests, as demonstrated by channel-open. A customized SSH client can simply skip the authentication step.
Mitigation
Minimal update. May introduce new vulnerabilities or breaking changes.
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 alpine v3.11 | | =1.10.1-r0 || =1.11.0-r0 || =1.12.0-r0 || =1.14.0-r0 || =1.14.1-r0 || =1.15.1-r0 || =1.15.2-r0 || =1.16.0-r0 || =1.7.7.1-r0 || =1.9.0-r0 || =2.0.1-r1 || =2.0.1-r2 || =2.0.2-r0 || =2.0.2-r1 || =2.0.2-r2 || =2.0.2-r3 || =2.1.2-r0 || =2.2.0-r0 || =2.2.1-r0 || =2.2.1-r1 || =2.3.1-r0 || =2.4.0-r0 || >=0 <2.4.1-r0 | 2.4.1-r0 |
alpine v3.12 | | =1.10.1-r0 || =1.11.0-r0 || =1.12.0-r0 || =1.14.0-r0 || =1.14.1-r0 || =1.15.1-r0 || =1.15.2-r0 || =1.16.0-r0 || =1.7.7.1-r0 || =1.9.0-r0 || =2.0.1-r1 || =2.0.1-r2 || =2.0.2-r0 || =2.0.2-r1 || =2.0.2-r2 || =2.0.2-r3 || =2.1.2-r0 || =2.2.0-r0 || =2.2.1-r0 || =2.2.1-r1 || =2.3.1-r0 || =2.4.0-r0 || >=0 <2.4.1-r0 | 2.4.1-r0 |
 pypi | | >=2.0.0 <2.0.8 || >=2.1.0 <2.1.5 || >=2.2.0 <2.2.3 || >=2.3.0 <2.3.2 || =2.4.0 || >=2.4.0 <2.4.1 || >=1.18.0 <1.18.5 || >=0 <1.17.6 | 2.0.8, 2.1.5, 2.2.3, 2.3.2, 2.4.1, 1.18.5, 1.17.6 |
 debian 14 | | | 2.4.2-0.1 |
alpine v3.13 | | =1.10.1-r0 || =1.11.0-r0 || =1.12.0-r0 || =1.14.0-r0 || =1.14.1-r0 || =1.15.1-r0 || =1.15.2-r0 || =1.16.0-r0 || =1.7.7.1-r0 || =1.9.0-r0 || =2.0.1-r1 || =2.0.1-r2 || =2.0.2-r0 || =2.0.2-r1 || =2.0.2-r2 || =2.0.2-r3 || =2.1.2-r0 || =2.2.0-r0 || =2.2.1-r0 || =2.2.1-r1 || =2.3.1-r0 || =2.4.0-r0 || >=0 <2.4.1-r0 | 2.4.1-r0 |
alpine v3.14 | | =1.10.1-r0 || =1.11.0-r0 || =1.12.0-r0 || =1.14.0-r0 || =1.14.1-r0 || =1.15.1-r0 || =1.15.2-r0 || =1.16.0-r0 || =1.7.7.1-r0 || =1.9.0-r0 || =2.0.1-r1 || =2.0.1-r2 || =2.0.2-r0 || =2.0.2-r1 || =2.0.2-r2 || =2.0.2-r3 || =2.1.2-r0 || =2.2.0-r0 || =2.2.1-r0 || =2.2.1-r1 || =2.3.1-r0 || =2.4.0-r0 || >=0 <2.4.1-r0 | 2.4.1-r0 |
debian 13 | | | 2.4.2-0.1 |
pypi | | | 2.0.0.1, 2.4.1.0 |
debian 12 | | | 2.4.2-0.1 |
debian 11 | | | 2.4.2-0.1 |
