National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-3115 Detail

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:  MITRE      Last Modified:  03/22/2016

Quick Info

CVE Dictionary Entry:
CVE-2016-3115
Original release date:
03/22/2016
Last revised:
01/04/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
6.4 Medium
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N (legend)
Impact Score:
2.7
Exploitability Score:
3.1
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
Low
Integrity (I):
Low
Availability (A):
None
CVSS Severity (version 2.0):
CVSS v2 Base Score:
5.5 MEDIUM
Vector:
(AV:N/AC:L/Au:S/C:P/I:P/A:N) (legend)
Impact Subscore:
4.9
Exploitability Subscore:
8.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/session.c External Source CONFIRM 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 External Source CONFIRM 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 External Source FEDORA FEDORA-2016-fc1cc33e05
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/183122.html External Source FEDORA FEDORA-2016-188267b485
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/178838.html External Source FEDORA FEDORA-2016-bb59db3c86
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179924.html External Source FEDORA FEDORA-2016-0bcab055a7
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/180491.html External Source FEDORA FEDORA-2016-d339d610c1
http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184264.html External Source FEDORA FEDORA-2016-08e5803496
http://packetstormsecurity.com/files/136234/OpenSSH-7.2p1-xauth-Command-Injection-Bypass.html External Source MISC http://packetstormsecurity.com/files/136234/OpenSSH-7.2p1-xauth-Command-Injection-Bypass.html
http://rhn.redhat.com/errata/RHSA-2016-0465.html External Source REDHAT RHSA-2016:0465
http://rhn.redhat.com/errata/RHSA-2016-0466.html External Source REDHAT RHSA-2016:0466
http://seclists.org/fulldisclosure/2016/Mar/46 External Source FULLDISC 20160314 CVE-2016-3115 - OpenSSH <=7.2p1 xauth injection
http://seclists.org/fulldisclosure/2016/Mar/47 External Source FULLDISC 20160314 CVE-2016-3116 - Dropbear SSH xauth injection
http://www.openssh.com/txt/x11fwd.adv Vendor Advisory External Source CONFIRM http://www.openssh.com/txt/x11fwd.adv
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html External Source CONFIRM http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html External Source CONFIRM http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html Vendor Advisory External Source CONFIRM http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
http://www.securityfocus.com/bid/84314 External Source BID 84314
http://www.securitytracker.com/id/1035249 External Source SECTRACK 1035249
https://bto.bluecoat.com/security-advisory/sa121 External Source CONFIRM https://bto.bluecoat.com/security-advisory/sa121
https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-3115 External Source MISC https://github.com/tintinweb/pub/tree/master/pocs/cve-2016-3115
https://security.gentoo.org/glsa/201612-18 External Source GENTOO GLSA-201612-18
https://www.exploit-db.com/exploits/39569/ External Source EXPLOIT-DB 39569
https://www.freebsd.org/security/advisories/FreeBSD-SA-16:14.openssh.asc External Source FREEBSD FreeBSD-SA-16:14

Technical Details

Vulnerability Type (View All)

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