CVE-2016-0778

NameCVE-2016-0778
DescriptionThe (1) roaming_read and (2) roaming_write functions in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2, when certain proxy and forward options are enabled, do not properly maintain connection file descriptors, which allows remote servers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact by requesting many forwardings.
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)
ReferencesDLA-387-1, DSA-3446-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssh (PTS)stretch1:7.4p1-10+deb9u7fixed
stretch (security)1:7.4p1-10+deb9u6fixed
buster1:7.9p1-10+deb10u2fixed
buster (security)1:7.9p1-10+deb10u1fixed
bullseye1:8.4p1-2fixed
sid1:8.4p1-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensshsourcesqueeze1:5.5p1-6+squeeze8DLA-387-1
opensshsourcewheezy1:6.0p1-4+deb7u3DSA-3446-1
opensshsourcejessie1:6.7p1-5+deb8u1DSA-3446-1
opensshsource(unstable)1:7.1p2-1

Notes

https://www.qualys.com/2016/01/14/cve-2016-0777-cve-2016-0778/openssh-cve-2016-0777-cve-2016-0778.txt

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