Vulnerability CVE-2016-3115

Vulnerability CVE-2016-3115

Published: 2016-03-22

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.

See advisories in our WLB2 database:

	Topic	Author	Date
High	OpenSSH 7.2p1 xauth Command Injection / Bypass	tintinweb	16.03.2016
High	BlackStratus LOGStorm 4.5.1.35 / 4.5.1.96 Remote Root	Jeremy Brown	06.12.2016

Type:

CWE-Other

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:N)

CVSS Base Score	Impact Subscore	Exploitability Subscore
5.5/10	4.9/10	8/10

Exploit range	Attack complexity	Authentication
Remote	Low	Single time
Confidentiality impact	Integrity impact	Availability impact
Partial	Partial	None

Affected software
Oracle -> Vm server
Openbsd -> Openssh

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&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/

https://www.freebsd.org/security/advisories/FreeBSD-SA-16:14.openssh.asc

Vulnerability CVE-2016-3115

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.

See advisories in our WLB2 database:

High

OpenSSH 7.2p1 xauth Command Injection / Bypass

High

BlackStratus LOGStorm 4.5.1.35 / 4.5.1.96 Remote Root

CWE-Other

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:N)

5.5/10

4.9/10

8/10

Remote

Low

Single time

Partial

Partial

None

Affected software

References: