CVE-2016-8858

Upstream information

CVE-2016-8858 at MITRE

Description

** DISPUTED ** 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."

---

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v2 Scores

	National Vulnerability Database
Base Score	7.8
Vector	AV:N/AC:L/Au:N/C:N/I:N/A:C
Access Vector	Network
Access Complexity	Low
Authentication	None
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	Complete

CVSS v3 Scores

	National Vulnerability Database
Base Score	7.5
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Access Vector	Network
Access Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality Impact	None
Integrity Impact	None
Availability Impact	High
CVSSv3 Version	3

SUSE Bugzilla entries: 1005480 [RESOLVED], 1025354 [RESOLVED / WORKSFORME], 1039572 [RESOLVED], 1087412 [RESOLVED / FIXED]

SUSE Security Advisories:

• SUSE-SU-2017:0264-1, published Mon Jan 23 09:12:10 MST 2017
• SUSE-SU-2017:0603-1, published Fri Mar 3 13:10:26 MST 2017
• SUSE-SU-2017:0606-1, published Mon Mar 6 04:08:34 MST 2017
• SUSE-SU-2017:0607-1, published Mon Mar 6 07:07:44 MST 2017
• SUSE-SU-2017:0607-2, published Thu Mar 9 01:08:22 MST 2017
• SUSE-SU-2017:0607-3, published Thu Mar 9 04:08:57 MST 2017
• SUSE-SU-2017:1661-1, published Fri Jun 23 07:11:40 MDT 2017
• openSUSE-SU-2017:0344-1, published Tue, 31 Jan 2017 19:08:36 +0100 (CET)
• openSUSE-SU-2017:0674-1, published Mon, 13 Mar 2017 15:22:27 +0100 (CET)

List of released packages

Product(s)	Fixed package version(s)	References
SUSE Linux Enterprise Desktop 12 SP1	openssh >= 6.6p1-54.7.1 openssh-askpass-gnome >= 6.6p1-54.7.1 openssh-helpers >= 6.6p1-54.7.1	Patchnames: SUSE-SLE-DESKTOP-12-SP1-2017-325
SUSE Linux Enterprise Desktop 12 SP2	openssh >= 7.2p2-66.1 openssh-askpass-gnome >= 7.2p2-66.3 openssh-helpers >= 7.2p2-66.1	Patchnames: SUSE-SLE-DESKTOP-12-SP2-2017-138
SUSE Linux Enterprise Desktop 12 SP3	openssh >= 7.2p2-69.1 openssh-helpers >= 7.2p2-69.1
SUSE Linux Enterprise Desktop 12 SP4	openssh >= 7.2p2-74.25.1 openssh-helpers >= 7.2p2-74.25.1
SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SP5	openssh >= 7.2p2-74.45.1 openssh-fips >= 7.2p2-74.45.1 openssh-helpers >= 7.2p2-74.45.1
SUSE Linux Enterprise Module for Basesystem 15 SP1	openssh >= 7.9p1-4.7 openssh-helpers >= 7.9p1-4.7
SUSE Linux Enterprise Module for Basesystem 15 SP2	openssh >= 8.1p1-3.21 openssh-helpers >= 8.1p1-3.21
SUSE Linux Enterprise Module for Basesystem 15	openssh >= 7.6p1-7.8 openssh-helpers >= 7.6p1-7.8
SUSE Linux Enterprise Module for Server Applications 15 SP1	openssh-fips >= 7.9p1-4.7
SUSE Linux Enterprise Module for Server Applications 15 SP2	openssh-fips >= 8.1p1-3.21
SUSE Linux Enterprise Module for Server Applications 15	openssh-fips >= 7.6p1-7.8
SUSE Linux Enterprise Point of Sale 11 SP3	openssh >= 6.2p2-0.40.1 openssh-askpass >= 6.2p2-0.40.1 openssh-askpass-gnome >= 6.2p2-0.40.3	Patchnames: sleposp3-openssh-13005
SUSE Linux Enterprise Server 11 SP3-LTSS SUSE Linux Enterprise Server for SAP Applications 11 SP3-LTSS	openssh >= 6.2p2-0.40.1 openssh-askpass >= 6.2p2-0.40.1 openssh-askpass-gnome >= 6.2p2-0.40.3	Patchnames: slessp3-openssh-13005
SUSE Linux Enterprise Server 11 SP4 SUSE Linux Enterprise Server for SAP Applications 11 SP4	openssh >= 6.6p1-35.1 openssh-askpass-gnome >= 6.6p1-35.4 openssh-fips >= 6.6p1-35.1 openssh-helpers >= 6.6p1-35.1	Patchnames: slessp4-openssh-13002
SUSE Linux Enterprise Server 11-SECURITY SUSE Linux Enterprise Server for SAP Applications 11-SECURITY	openssh-openssl1 >= 6.6p1-18.1 openssh-openssl1-helpers >= 6.6p1-18.1	Patchnames: secsp3-openssh-openssl1-13169
SUSE Linux Enterprise Server 12 SP1 SUSE Linux Enterprise Server for SAP Applications 12 SP1	openssh >= 6.6p1-54.7.1 openssh-askpass-gnome >= 6.6p1-54.7.1 openssh-fips >= 6.6p1-54.7.1 openssh-helpers >= 6.6p1-54.7.1	Patchnames: SUSE-SLE-SERVER-12-SP1-2017-325
SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP2	openssh >= 7.2p2-66.1 openssh-askpass-gnome >= 7.2p2-66.3 openssh-fips >= 7.2p2-66.1 openssh-helpers >= 7.2p2-66.1	Patchnames: SUSE-SLE-SERVER-12-SP2-2017-138
SUSE Linux Enterprise Server 12 SP3	openssh >= 7.2p2-69.1 openssh-fips >= 7.2p2-69.1 openssh-helpers >= 7.2p2-69.1
SUSE Linux Enterprise Server 12 SP4	openssh >= 7.2p2-74.25.1 openssh-fips >= 7.2p2-74.25.1 openssh-helpers >= 7.2p2-74.25.1
SUSE Linux Enterprise Server 12-LTSS SUSE Linux Enterprise Server for SAP Applications 12-LTSS	openssh >= 6.6p1-54.7.1 openssh-askpass-gnome >= 6.6p1-54.7.1 openssh-fips >= 6.6p1-54.7.1 openssh-helpers >= 6.6p1-54.7.1	Patchnames: SUSE-SLE-SERVER-12-2017-325
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2	openssh >= 7.2p2-66.1 openssh-askpass-gnome >= 7.2p2-66.3 openssh-fips >= 7.2p2-66.1 openssh-helpers >= 7.2p2-66.1	Patchnames: SUSE-SLE-RPI-12-SP2-2017-138
SUSE Linux Enterprise Server for SAP Applications 12	openssh >= 6.6p1-54.7.1 openssh-askpass-gnome >= 6.6p1-54.7.1 openssh-fips >= 6.6p1-54.7.1 openssh-helpers >= 6.6p1-54.7.1	Patchnames: SUSE-SLE-SAP-12-2017-325
SUSE Manager 2.1	openssh >= 6.2p2-0.40.1 openssh-askpass >= 6.2p2-0.40.1 openssh-askpass-gnome >= 6.2p2-0.40.3	Patchnames: sleman21-openssh-13005
SUSE Manager Proxy 2.1	openssh >= 6.2p2-0.40.1 openssh-askpass >= 6.2p2-0.40.1 openssh-askpass-gnome >= 6.2p2-0.40.3	Patchnames: slemap21-openssh-13005
SUSE OpenStack Cloud 5	openssh >= 6.2p2-0.40.1 openssh-askpass >= 6.2p2-0.40.1 openssh-askpass-gnome >= 6.2p2-0.40.3	Patchnames: sleclo50sp3-openssh-13005
openSUSE Leap 15.0	openssh >= 7.6p1-lp150.7.4 openssh-helpers >= 7.6p1-lp150.7.4	Patchnames: openSUSE Leap 15.0 GA openssh
openSUSE Leap 42.1	openssh >= 6.6p1-17.1 openssh-askpass-gnome >= 6.6p1-17.1 openssh-askpass-gnome-debuginfo >= 6.6p1-17.1 openssh-cavs >= 6.6p1-17.1 openssh-cavs-debuginfo >= 6.6p1-17.1 openssh-debuginfo >= 6.6p1-17.1 openssh-debugsource >= 6.6p1-17.1 openssh-fips >= 6.6p1-17.1 openssh-helpers >= 6.6p1-17.1 openssh-helpers-debuginfo >= 6.6p1-17.1	Patchnames: openSUSE-2017-339
openSUSE Leap 42.2	openssh >= 7.2p2-9.1 openssh-askpass-gnome >= 7.2p2-9.1 openssh-askpass-gnome-debuginfo >= 7.2p2-9.1 openssh-cavs >= 7.2p2-9.1 openssh-debuginfo >= 7.2p2-9.1 openssh-debugsource >= 7.2p2-9.1 openssh-fips >= 7.2p2-9.1 openssh-helpers >= 7.2p2-9.1 openssh-helpers-debuginfo >= 7.2p2-9.1	Patchnames: openSUSE-2017-184
openSUSE Leap 42.3	openssh >= 7.2p2-13.1 openssh-helpers >= 7.2p2-13.1	Patchnames: openSUSE Leap 42.3 GA openssh

---

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s)	Source package	State
SUSE Linux Enterprise Desktop 12 SP1	openssh	Released
SUSE Linux Enterprise Desktop 12 SP2	openssh	Released
SUSE Linux Enterprise Server 11 SP3 LTSS	openssh	Released
SUSE Linux Enterprise Server 11 SP4	openssh	Released
SUSE Linux Enterprise Server 12 LTSS	openssh	Released
SUSE Linux Enterprise Server 12 SP1	openssh	Released
SUSE Linux Enterprise Server 12 SP2	openssh	Released
SUSE Linux Enterprise Server for SAP Applications 12 SP3	openssh	Released
SUSE Linux Enterprise Server for the Raspberry Pi	openssh	Released
Security Module for SUSE Linux Enterprise 11	openssh-openssl1	Released