| Name | CVE-2020-36254 |
| Description | scp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
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 | vulnerable |
| stretch | 2016.74-5+deb9u1 | vulnerable |
| buster (security), buster, buster (lts) | 2018.76-5+deb10u2 | vulnerable |
| 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 | (unstable) | 2020.79-1 | unimportant | | |
Notes
https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff
scp.c in Dropbear is not built and shipped in built binary packages
[jessie] - dropbear <postponed> (Minor issue)