| Name | CVE-2018-7750 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1556-1, DLA-2860-1 |
| Debian Bugs | 892859 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| paramiko (PTS) | jessie, jessie (lts) | 1.15.1-1+deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 2.0.0-1+deb9u2 | fixed | |
| buster | 2.4.2-0.1 | fixed | |
| buster (security) | 2.4.2-0.1+deb10u1 | fixed | |
| bullseye | 2.7.2-1 | fixed | |
| trixie, bookworm | 2.12.0-2 | fixed | |
| sid | 2.12.0-3 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| paramiko | source | jessie | 1.15.1-1+deb8u1 | DLA-1556-1 | ||
| paramiko | source | stretch | 2.0.0-1+deb9u1 | DLA-2860-1 | ||
| paramiko | source | (unstable) | 2.4.2-0.1 | 892859 |
[wheezy] - paramiko <no-dsa> (Minor issue)
https://github.com/paramiko/paramiko/issues/1175
https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516