| Name | CVE-2007-1099 |
| Description | dbclient in Dropbear SSH client before 0.49 does not sufficiently warn the user when it detects a hostkey mismatch, which might allow remote attackers to conduct man-in-the-middle attacks. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 412899 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| dropbear (PTS) | jessie, jessie (lts) | 2014.65-1+deb8u3 | fixed |
| stretch | 2016.74-5+deb9u1 | fixed |
| buster (security), buster, buster (lts) | 2018.76-5+deb10u2 | fixed |
| bullseye | 2020.81-3+deb11u2 | fixed |
| bookworm | 2022.83-1+deb12u2 | fixed |
| sid, trixie | 2024.86-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| dropbear | source | etch | 0.48.1-2 | unimportant | | |
| dropbear | source | (unstable) | 0.49-1 | unimportant | | 412899 |
Notes
That's a lack of a security feature (strict hostkey checking in openssh
termininoloy) and an awkward interface, but not a vulnerability per se
Especially as dropbear is specifically labeled a stripped down SSH implementation