Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-10708

sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence NEWKEYS message, as demonstrated by Honggfuzz, related to kex.c and packet.c.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 12 products from openbsd, from debian, from canonical and 9 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-01-21T22:29:00.227

Last Modified

2024-11-21T02:44:33.607

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	openbsd	openssh	< 7.4	Yes
Operating System	debian	debian_linux	7.0	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Application	netapp	cloud_backup	-	Yes
Application	netapp	data_ontap	-	Yes
Application	netapp	data_ontap_edge	-	Yes
Application	netapp	oncommand_unified_manager	≥ 9.4	Yes
Application	netapp	service_processor	-	Yes
Application	netapp	storagegrid	-	Yes
Application	netapp	storagegrid_webscale	-	Yes
Operating System	netapp	clustered_data_ontap	-	Yes
Application	netapp	vasa_provider	-	Yes
Operating System	netapp	clustered_data_ontap	-	No

References

http://blog.swiecki.net/2018/01/fuzzing-tcp-servers.html Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/102780 Third Party Advisory, VDB Entry ([email protected])
https://anongit.mindrot.org/openssh.git/commit/?id=28652bca29046f62c7045e933e6b931de1d16737 Patch, Third Party Advisory ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf ([email protected])
https://kc.mcafee.com/corporate/index?page=content&id=SB10284 ([email protected])
https://lists.debian.org/debian-lts-announce/2018/01/msg00031.html Mailing List, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html Mailing List, Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20180423-0003/ Third Party Advisory ([email protected])
https://support.f5.com/csp/article/K32485746?utm_source=f5support&amp%3Butm_medium=RSS ([email protected])
https://usn.ubuntu.com/3809-1/ Third Party Advisory ([email protected])
https://www.openssh.com/releasenotes.html Release Notes, Vendor Advisory ([email protected])
http://blog.swiecki.net/2018/01/fuzzing-tcp-servers.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/102780 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://anongit.mindrot.org/openssh.git/commit/?id=28652bca29046f62c7045e933e6b931de1d16737 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf (af854a3a-2127-422b-91ae-364da2661108)
https://kc.mcafee.com/corporate/index?page=content&id=SB10284 (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/01/msg00031.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/09/msg00010.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20180423-0003/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.f5.com/csp/article/K32485746?utm_source=f5support&amp%3Butm_medium=RSS (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3809-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.openssh.com/releasenotes.html Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For openbsd's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.