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
Description Last Modified:  03/22/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 6.4 MEDIUM
Vector: AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N (V3 legend)
Impact Score: 2.7
Exploitability Score: 3.1


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 v2.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: (AV:N/AC:L/Au:S/C:P/I:P/A:N) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 8.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): Single
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
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 Vendor Advisory
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 Vendor Advisory
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://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

Technical Details

Vulnerability Type (View All)

Change History

10 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-3115
NVD Published Date:
03/22/2016
NVD Last Modified:
01/04/2018