Executive Summary

Informations
Name CVE-2016-8858 First vendor Publication 2016-12-09
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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."

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8858

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-399 Resource Management Errors

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 6

Nessus® Vulnerability Scanner

Date Description
2018-08-17 Name : The remote PhotonOS host is missing multiple security updates.
File : PhotonOS_PHSA-2016-0014.nasl - Type : ACT_GATHER_INFO
2018-01-26 Name : The remote device is missing a vendor-supplied security patch.
File : juniper_jsa10837.nasl - Type : ACT_GATHER_INFO
2017-05-01 Name : The remote EulerOS host is missing a security update.
File : EulerOS_SA-2017-1006.nasl - Type : ACT_GATHER_INFO
2017-03-14 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2017-339.nasl - Type : ACT_GATHER_INFO
2017-03-10 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-0607-2.nasl - Type : ACT_GATHER_INFO
2017-03-10 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-0607-3.nasl - Type : ACT_GATHER_INFO
2017-03-07 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-0606-1.nasl - Type : ACT_GATHER_INFO
2017-03-07 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-0607-1.nasl - Type : ACT_GATHER_INFO
2017-03-06 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-0603-1.nasl - Type : ACT_GATHER_INFO
2017-02-01 Name : The remote openSUSE host is missing a security update.
File : openSUSE-2017-184.nasl - Type : ACT_GATHER_INFO
2017-01-24 Name : The remote SUSE host is missing one or more security updates.
File : suse_SU-2017-0264-1.nasl - Type : ACT_GATHER_INFO
2016-12-07 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201612-18.nasl - Type : ACT_GATHER_INFO
2016-10-31 Name : The remote FreeBSD host is missing a security-related update.
File : freebsd_pkg_6a2cfcdc9dea11e6a29814dae9d210b8.nasl - Type : ACT_GATHER_INFO

Sources (Detail)

http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/kex.c?rev=1.127&...
http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/kex.c.diff?r1=1.126&...
http://www.openwall.com/lists/oss-security/2016/10/19/3
http://www.openwall.com/lists/oss-security/2016/10/20/1
http://www.securityfocus.com/bid/93776
http://www.securitytracker.com/id/1037057
https://bugzilla.redhat.com/show_bug.cgi?id=1384860
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
https://github.com/openssh/openssh-portable/commit/ec165c392ca54317dbe3064a8c...
https://security.FreeBSD.org/advisories/FreeBSD-SA-16:33.openssh.asc
https://security.gentoo.org/glsa/201612-18
https://security.netapp.com/advisory/ntap-20180201-0001/
Source Url

Alert History

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Date Informations
2024-11-28 12:59:52
  • Multiple Updates
2024-08-06 09:28:06
  • Multiple Updates
2024-08-02 12:43:31
  • Multiple Updates
2024-08-02 01:12:23
  • Multiple Updates
2024-05-17 09:28:38
  • Multiple Updates
2024-05-14 21:28:25
  • Multiple Updates
2024-04-11 09:28:41
  • Multiple Updates
2024-03-21 09:28:43
  • Multiple Updates
2024-02-02 01:42:11
  • Multiple Updates
2024-02-01 12:11:51
  • Multiple Updates
2023-11-07 21:43:32
  • Multiple Updates
2023-09-05 12:40:16
  • Multiple Updates
2023-09-05 01:11:36
  • Multiple Updates
2023-09-02 12:40:01
  • Multiple Updates
2023-09-02 01:11:51
  • Multiple Updates
2023-08-12 12:43:26
  • Multiple Updates
2023-08-12 01:11:21
  • Multiple Updates
2023-08-11 12:38:10
  • Multiple Updates
2023-08-11 01:11:40
  • Multiple Updates
2023-08-06 12:36:54
  • Multiple Updates
2023-08-06 01:11:20
  • Multiple Updates
2023-08-04 12:37:04
  • Multiple Updates
2023-08-04 01:11:24
  • Multiple Updates
2023-07-14 12:37:05
  • Multiple Updates
2023-07-14 01:11:23
  • Multiple Updates
2023-03-29 01:38:53
  • Multiple Updates
2023-03-28 12:11:42
  • Multiple Updates
2022-12-13 17:27:44
  • Multiple Updates
2022-10-11 12:33:08
  • Multiple Updates
2022-10-11 01:11:21
  • Multiple Updates
2021-05-04 12:54:19
  • Multiple Updates
2021-04-22 02:06:37
  • Multiple Updates
2020-07-25 12:15:58
  • Multiple Updates
2020-05-23 00:53:37
  • Multiple Updates
2018-09-20 00:19:01
  • Multiple Updates
2018-02-05 13:21:32
  • Multiple Updates
2017-11-21 09:22:03
  • Multiple Updates
2017-07-29 12:05:28
  • Multiple Updates
2017-07-01 09:23:46
  • Multiple Updates
2017-05-02 13:24:37
  • Multiple Updates
2017-03-15 13:22:41
  • Multiple Updates
2017-03-11 13:21:08
  • Multiple Updates
2017-03-08 13:25:53
  • Multiple Updates
2017-03-07 13:24:56
  • Multiple Updates
2017-02-02 13:25:45
  • Multiple Updates
2017-01-25 13:23:33
  • Multiple Updates
2016-12-09 21:23:01
  • Multiple Updates
2016-12-09 17:24:41
  • First insertion