CVE-2020-15778

NameCVE-2020-15778
Descriptionscp in OpenSSH through 8.3p1 allows command injection in scp.c remote function, as demonstrated by backtick characters in the destination argument. NOTE: the vendor reportedly has stated that they intentionally omit validation of "anomalous argument transfers" because that could "stand a great chance of breaking existing workflows."
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
openssh (PTS)stretch1:7.4p1-10+deb9u7vulnerable
stretch (security)1:7.4p1-10+deb9u6vulnerable
buster1:7.9p1-10+deb10u2vulnerable
buster (security)1:7.9p1-10+deb10u1vulnerable
bullseye, sid1:8.3p1-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensshsource(unstable)(unfixed)unimportant

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=1860487
https://github.com/cpandya2909/CVE-2020-15778
Negligible security impact, changing the scp protocol can have a good chance
of breaking existing workflows.

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