| Name | CVE-2016-3115 |
| Description | Multiple CRLF injection vulnerabilities in session.c in sshd in OpenSSH before 7.2p2 allow remote authenticated users to bypass intended shell-command restrictions via crafted X11 forwarding data, related to the (1) do_authenticated1 and (2) session_x11_req functions. |
| 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) |
| NVD severity | medium (attack range: remote) |
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+deb8u3 | vulnerable | |
| stretch | 1:7.4p1-10+deb9u3 | fixed | |
| buster, sid | 1:7.7p1-2 | 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) | 1:7.2p2-1 | medium |
[jessie] - openssh <no-dsa> (Minor issue)
[wheezy] - openssh <no-dsa> (Minor issue)
http://www.openssh.com/txt/x11fwd.adv
Portable OpenSSH 7.2p2 contains a fix for this vulnerability.
http://www.openwall.com/lists/oss-security/2016/03/10/8
Upstream fix: http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c.diff?r1=1.281&r2=1.282&sortby=date&f=h