Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openbsd | Openssh | <= 7.2 |
| Oracle | Vm Server | 3.2 |
References
- 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
- 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-Injectio
- 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.advVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
FAQ
What is CVE-2016-3115?
CVE-2016-3115 is a vulnerability with a CVSS score of 6.4 (MEDIUM). 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, rel...
How severe is CVE-2016-3115?
CVE-2016-3115 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-3115?
Check the references section above for vendor advisories and patch information. Affected products include: Openbsd Openssh, Oracle Vm Server.