U.S. flag   An official website of the United States government
Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock (Dot gov) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

CVE-2016-8858 Detail

Disputed     

Current Description

The kex_input_kexinit function in kex.c in OpenSSH 6.x and 7.x through 7.3 allows remote attackers to cause a denial of service (memory consumption) by sending many duplicate KEXINIT requests. NOTE: a third party reports that "OpenSSH upstream does not consider this as a security issue."


View Analysis Description

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

Hyperlink Resource
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/kex.c.diff?r1=1.126&r2=1.127&f=h Issue Tracking  Vendor Advisory 
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/kex.c.diff?r1=1.126&r2=1.127&f=h Issue Tracking  Vendor Advisory 
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/kex.c?rev=1.127&content-type=text/x-cvsweb-markup Issue Tracking  Vendor Advisory 
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/kex.c?rev=1.127&content-type=text/x-cvsweb-markup Issue Tracking  Vendor Advisory 
http://www.openwall.com/lists/oss-security/2016/10/19/3 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2016/10/19/3 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2016/10/20/1 Mailing List  Third Party Advisory 
http://www.openwall.com/lists/oss-security/2016/10/20/1 Mailing List  Third Party Advisory 
http://www.securityfocus.com/bid/93776 Third Party Advisory  VDB Entry 
http://www.securityfocus.com/bid/93776 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1037057 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1037057 Third Party Advisory  VDB Entry 
https://bugzilla.redhat.com/show_bug.cgi?id=1384860 Issue Tracking 
https://bugzilla.redhat.com/show_bug.cgi?id=1384860 Issue Tracking 
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf
https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/013_ssh_kexinit.patch.sig Patch  Vendor Advisory 
https://ftp.openbsd.org/pub/OpenBSD/patches/6.0/common/013_ssh_kexinit.patch.sig Patch  Vendor Advisory 
https://github.com/openssh/openssh-portable/commit/ec165c392ca54317dbe3064a8c200de6531e89ad Issue Tracking  Patch  Third Party Advisory 
https://github.com/openssh/openssh-portable/commit/ec165c392ca54317dbe3064a8c200de6531e89ad Issue Tracking  Patch  Third Party Advisory 
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:33.openssh.asc Third Party Advisory 
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:33.openssh.asc Third Party Advisory 
https://security.gentoo.org/glsa/201612-18 Third Party Advisory 
https://security.gentoo.org/glsa/201612-18 Third Party Advisory 
https://security.netapp.com/advisory/ntap-20180201-0001/ Third Party Advisory 
https://security.netapp.com/advisory/ntap-20180201-0001/ Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-399 Resource Management Errors cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

14 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-8858
NVD Published Date:
12/09/2016
NVD Last Modified:
11/20/2024
Source:
MITRE