Description
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.
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- http://www.securityfocus.com/bid/103713Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0591Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0646Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1124Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1125Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1213Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1274Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1328Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1525Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1972Third Party Advisory
- https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rstThird Party Advisory
- https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516Patch, Third Party Advisory
- https://github.com/paramiko/paramiko/issues/1175Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00018.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00025.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3603-1/Third Party Advisory
- https://usn.ubuntu.com/3603-2/Third Party Advisory
- https://www.exploit-db.com/exploits/45712/Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/103713Third Party Advisory, VDB Entry
- https://access.redhat.com/errata/RHSA-2018:0591Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:0646Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1124Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1125Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1213Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1274Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1328Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1525Third Party Advisory
- https://access.redhat.com/errata/RHSA-2018:1972Third Party Advisory
- https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rstThird Party Advisory
- https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516Patch, Third Party Advisory
- https://github.com/paramiko/paramiko/issues/1175Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/10/msg00018.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/12/msg00025.htmlMailing List, Third Party Advisory
- https://usn.ubuntu.com/3603-1/Third Party Advisory
- https://usn.ubuntu.com/3603-2/Third Party Advisory
- https://www.exploit-db.com/exploits/45712/Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Mar 13, 2018
- Last modified
- Jun 17, 2026
- NVD status
- Modified