CVE-2016-3115
medium
CVSS v3
6.4
CVSS v2
5.5
VIR risk
6.4
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.
Predictions
Exploit likelihood
74%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2016-3115
Vendor advisory: cve@mitre.org — http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
Vendor advisory: cve@mitre.org — http://www.openssh.com/txt/x11fwd.adv
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2016-3115.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1:7.2p2-1 |
| debian | bullseye | fixed | 1:7.2p2-1 |
| debian | forky | fixed | 1:7.2p2-1 |
| debian | sid | fixed | 1:7.2p2-1 |
| debian | trixie | fixed | 1:7.2p2-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| openbsd | openssh | {"endIncluding":"7.2"} | |
References
- https://www.suse.com/security/cve/CVE-2016-3115.html
- http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c
- http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c.diff?r1=1.281&r2=1.282&f=h
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183101.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183122.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178838.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179924.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-March/180491.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184264.html
- http://packetstormsecurity.com/files/136234/OpenSSH-7.2p1-xauth-Command-Injection-Bypass.html
- http://rhn.redhat.com/errata/RHSA-2016-0465.html
- http://rhn.redhat.com/errata/RHSA-2016-0466.html
- http://seclists.org/fulldisclosure/2016/Mar/46
- http://seclists.org/fulldisclosure/2016/Mar/47
- http://www.openssh.com/txt/x11fwd.adv
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.securityfocus.com/bid/84314
- http://www.securitytracker.com/id/1035249
- https://bto.bluecoat.com/security-advisory/sa121
- https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-3115
- https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
- https://security.gentoo.org/glsa/201612-18
- https://www.exploit-db.com/exploits/39569/
Verify integrity in audit chain (admin only). AS-IS.