CVE-2016-10011

Name	CVE-2016-10011
Description	authfile.c in sshd in OpenSSH before 7.4 does not properly consider the effects of realloc on buffer contents, which might allow local users to obtain sensitive private-key information by leveraging access to a privilege-separated child process.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DLA-1500-1
NVD severity	low (attack range: local)
Debian Bugs	848716

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openssh (PTS)	jessie	1:6.7p1-5+deb8u4	vulnerable
	jessie (security)	1:6.7p1-5+deb8u8	fixed
	stretch	1:7.4p1-10+deb9u7	fixed
	stretch (security)	1:7.4p1-10+deb9u6	fixed
	buster	1:7.9p1-10	fixed
	bullseye, sid	1:8.0p1-6	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
openssh	source	(unstable)	1:7.4p1-1	low		848716
openssh	source	jessie	1:6.7p1-5+deb8u6	low	DLA-1500-1

Notes

[wheezy] - openssh <no-dsa> (Minor issue)
Fixed in upstream 7.4: https://www.openssh.com/txt/release-7.4
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/authfile.c.diff?r1=1.121&r2=1.122