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Vulnerability Details : CVE-2016-0778

The (1) roaming_read and (2) roaming_write functions in roaming_common.c in the client in OpenSSH 5.x, 6.x, and 7.x before 7.1p2, when certain proxy and forward options are enabled, do not properly maintain connection file descriptors, which allows remote servers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact by requesting many forwardings.
Publish Date : 2016-01-14 Last Update Date : 2017-02-16
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- CVSS Scores & Vulnerability Types

CVSS Score
4.6
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Single system (The vulnerability requires an attacker to be logged into the system (such as at a command line or via a desktop session or web interface).)
Gained Access None
Vulnerability Type(s) Denial Of ServiceOverflow
CWE ID 119

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2016:0043: openssh security update (Moderate) oval:com.redhat.rhsa:def:20160043 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2016-0778

# Product Type Vendor Product Version Update Edition Language
1 OS Apple Mac Os X 10.9.5 Version Details Vulnerabilities
2 OS Apple Mac Os X 10.10.5 Version Details Vulnerabilities
3 OS Apple Mac Os X 10.11.3 Version Details Vulnerabilities
4 OS HP Virtual Customer Access System 15.07 Version Details Vulnerabilities
5 Application Openbsd Openssh 5.4 Version Details Vulnerabilities
6 Application Openbsd Openssh 5.4 P1 Version Details Vulnerabilities
7 Application Openbsd Openssh 5.5 P1 Version Details Vulnerabilities
8 Application Openbsd Openssh 5.5 Version Details Vulnerabilities
9 Application Openbsd Openssh 5.6 P1 Version Details Vulnerabilities
10 Application Openbsd Openssh 5.6 Version Details Vulnerabilities
11 Application Openbsd Openssh 5.7 Version Details Vulnerabilities
12 Application Openbsd Openssh 5.7 P1 Version Details Vulnerabilities
13 Application Openbsd Openssh 5.8 P1 Version Details Vulnerabilities
14 Application Openbsd Openssh 5.8 Version Details Vulnerabilities
15 Application Openbsd Openssh 5.9 P1 Version Details Vulnerabilities
16 Application Openbsd Openssh 5.9 Version Details Vulnerabilities
17 Application Openbsd Openssh 6.0 P1 Version Details Vulnerabilities
18 Application Openbsd Openssh 6.0 Version Details Vulnerabilities
19 Application Openbsd Openssh 6.1 Version Details Vulnerabilities
20 Application Openbsd Openssh 6.1 P1 Version Details Vulnerabilities
21 Application Openbsd Openssh 6.2 P2 Version Details Vulnerabilities
22 Application Openbsd Openssh 6.2 Version Details Vulnerabilities
23 Application Openbsd Openssh 6.2 P1 Version Details Vulnerabilities
24 Application Openbsd Openssh 6.3 Version Details Vulnerabilities
25 Application Openbsd Openssh 6.3 P1 Version Details Vulnerabilities
26 Application Openbsd Openssh 6.4 Version Details Vulnerabilities
27 Application Openbsd Openssh 6.4 P1 Version Details Vulnerabilities
28 Application Openbsd Openssh 6.5 P1 Version Details Vulnerabilities
29 Application Openbsd Openssh 6.5 Version Details Vulnerabilities
30 Application Openbsd Openssh 6.6 Version Details Vulnerabilities
31 Application Openbsd Openssh 6.6 P1 Version Details Vulnerabilities
32 Application Openbsd Openssh 6.7 Version Details Vulnerabilities
33 Application Openbsd Openssh 6.7 P1 Version Details Vulnerabilities
34 Application Openbsd Openssh 6.8 Version Details Vulnerabilities
35 Application Openbsd Openssh 6.8 P1 Version Details Vulnerabilities
36 Application Openbsd Openssh 6.9 Version Details Vulnerabilities
37 Application Openbsd Openssh 6.9 P1 Version Details Vulnerabilities
38 Application Openbsd Openssh 7.0 Version Details Vulnerabilities
39 Application Openbsd Openssh 7.0 P1 Version Details Vulnerabilities
40 Application Openbsd Openssh 7.1 Version Details Vulnerabilities
41 Application Openbsd Openssh 7.1 P1 Version Details Vulnerabilities
42 OS Oracle Linux 7.0 Version Details Vulnerabilities
43 OS Oracle Solaris 11.3 Version Details Vulnerabilities
44 Application Sophos Unified Threat Management Software 9.353 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apple Mac Os X 3
HP Virtual Customer Access System 1
Openbsd Openssh 37
Oracle Linux 1
Oracle Solaris 1
Sophos Unified Threat Management Software 1

- References For CVE-2016-0778

https://bto.bluecoat.com/security-advisory/sa109 CONFIRM
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05247375 CONFIRM
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722 CONFIRM
https://security.gentoo.org/glsa/201601-01
GENTOO GLSA-201601-01
http://www.securitytracker.com/id/1034671
SECTRACK 1034671
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05356388 CONFIRM
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05385680 CONFIRM
https://support.apple.com/HT206167 CONFIRM
http://www.ubuntu.com/usn/USN-2869-1
UBUNTU USN-2869-1
http://www.securityfocus.com/bid/80698
BID 80698 OpenSSH CVE-2016-0778 Heap Based Buffer Overflow Vulnerability Release Date:2017-01-16
http://www.securityfocus.com/archive/1/archive/1/537295/100/0/threaded
BUGTRAQ 20160114 Qualys Security Advisory - Roaming through the OpenSSH client: CVE-2016-0777 and CVE-2016-0778
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00008.html
SUSE SUSE-SU-2016:0119
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00009.html
SUSE SUSE-SU-2016:0120
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00013.html
SUSE openSUSE-SU-2016:0127
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00014.html
SUSE openSUSE-SU-2016:0128
http://packetstormsecurity.com/files/135273/Qualys-Security-Advisory-OpenSSH-Overflow-Leak.html
http://seclists.org/fulldisclosure/2016/Jan/44
FULLDISC 20160115 Qualys Security Advisory - Roaming through the OpenSSH client: CVE-2016-0777 and CVE-2016-0778
http://www.debian.org/security/2016/dsa-3446
DEBIAN DSA-3446
http://www.openssh.com/txt/release-7.1p2 CONFIRM
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html CONFIRM
http://www.openwall.com/lists/oss-security/2016/01/14/7
MLIST [oss-security] 20160114 Qualys Security Advisory - Roaming through the OpenSSH client: CVE-2016-0777 and CVE-2016-0778
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00007.html
SUSE SUSE-SU-2016:0118
https://blogs.sophos.com/2016/02/17/utm-up2date-9-354-released/ CONFIRM
http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176349.html
FEDORA FEDORA-2016-4556904561
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10734 CONFIRM
https://blogs.sophos.com/2016/02/29/utm-up2date-9-319-released/ CONFIRM
http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00006.html
SUSE SUSE-SU-2016:0117
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176516.html
FEDORA FEDORA-2016-2e89eba0c1
http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html
APPLE APPLE-SA-2016-03-21-5

- Metasploit Modules Related To CVE-2016-0778

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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