CVE-2020-36254

NameCVE-2020-36254
Descriptionscp.c in Dropbear before 2020.79 mishandles the filename of . or an empty filename, a related issue to CVE-2018-20685.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dropbear (PTS)stretch2016.74-5+deb9u1vulnerable
buster2018.76-5vulnerable
bullseye2020.81-3fixed
bookworm, sid2020.81-4fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dropbearsource(unstable)2020.79-1

Notes

[buster] - dropbear <no-dsa> (Minor issue)
[stretch] - dropbear <postponed> (Minor issue)
https://github.com/mkj/dropbear/commit/8f8a3dff705fad774a10864a2e3dbcfa9779ceff

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