CVE-2016-3115

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• http://www.openssh.com/txt/x11fwd.adv
• http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
• https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-3115
• http://packetstormsecurity.com/files/136234/OpenSSH-7.2p1-xauth-Command-Injection-Bypass.html
• https://www.freebsd.org/security/advisories/FreeBSD-SA-16:14.openssh.asc
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
• https://www.exploit-db.com/exploits/39569/
• http://rhn.redhat.com/errata/RHSA-2016-0466.html
• http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c
• http://www.securitytracker.com/id/1035249
• http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183101.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• 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-March/180491.html
• https://bto.bluecoat.com/security-advisory/sa121
• https://security.gentoo.org/glsa/201612-18
• http://www.securityfocus.com/bid/84314
• http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179924.html
• https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184264.html
• http://seclists.org/fulldisclosure/2016/Mar/47
• http://rhn.redhat.com/errata/RHSA-2016-0465.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183122.html
• http://seclists.org/fulldisclosure/2016/Mar/46
• http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178838.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: partial

References

• http://www.openssh.com/txt/x11fwd.adv
• http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
• https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-3115
• http://packetstormsecurity.com/files/136234/OpenSSH-7.2p1-xauth-Command-Injection-Bypass.html
• https://www.freebsd.org/security/advisories/FreeBSD-SA-16:14.openssh.asc
• http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
• https://www.exploit-db.com/exploits/39569/
• http://rhn.redhat.com/errata/RHSA-2016-0466.html
• http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c
• http://www.securitytracker.com/id/1035249
• http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183101.html
• http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
• 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-March/180491.html
• https://bto.bluecoat.com/security-advisory/sa121
• https://security.gentoo.org/glsa/201612-18
• http://www.securityfocus.com/bid/84314
• http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179924.html
• https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184264.html
• http://seclists.org/fulldisclosure/2016/Mar/47
• http://rhn.redhat.com/errata/RHSA-2016-0465.html
• http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183122.html
• http://seclists.org/fulldisclosure/2016/Mar/46
• http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178838.html

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