CVE-2017-9078

NameCVE-2017-9078
DescriptionThe server in Dropbear before 2017.75 might allow post-authentication root remote code execution because of a double free in cleanup of TCP listeners when the -a option is enabled.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3859-1
NVD severityhigh (attack range: remote)
Debian Bugs862970

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
dropbear (PTS)wheezy2012.55-1.3fixed
wheezy (security)2012.55-1.3+deb7u2fixed
jessie (security), jessie2014.65-1+deb8u2fixed
stretch2016.74-5fixed
buster, sid2017.75-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
dropbearsource(unstable)2016.74-5high862970
dropbearsourcejessie2014.65-1+deb8u2highDSA-3859-1
dropbearsourcewheezy(not affected)

Notes

[wheezy] - dropbear <not-affected> (Vulnerable code not present)
Patch: https://secure.ucc.asn.au/hg/dropbear/rev/c8114a48837c

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