OpenSSH up to 7.3 Shared Memory Manager memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in OpenSSH up to 7.3. Affected is an unknown function of the component Shared Memory Manager. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2016-10012. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, has been found in OpenSSH up to 7.3 (Connectivity Software). Affected by this issue is an unknown code block of the component Shared Memory Manager. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The bug was discovered 12/19/2016. The weakness was published 12/19/2016 by Guido Vranken as release-7.4 as confirmed release notes (Website). The advisory is available at openssh.com. The public release has been coordinated with the vendor. This vulnerability is handled as CVE-2016-10012 since 12/19/2016. The attack may be launched remotely. The requirement for exploitation is a simple authentication. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 96151 (OpenSSH < 7.4 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197025 (Ubuntu Security Notification for Openssh Vulnerabilities (USN-3538-1)).

Upgrading to version 7.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96151), SecurityFocus (BID 94975†), SecurityTracker (ID 1037490†) and CERT Bund (WID-SEC-2023-1996). Similar entries are available at VDB-94607, VDB-94608, VDB-94609 and VDB-94611. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Amazon Linux 2
  • FreeBSD Project FreeBSD OS
  • IBM AIX
  • Juniper JUNOS
  • Red Hat Enterprise Linux
  • NetApp Data ONTAP
  • Open Source OpenSSH
  • Ubuntu Linux
  • SUSE Linux
  • IBM VIOS
  • Palo Alto Networks PAN-OS
  • EMC Avamar
  • Dell NetWorker
  • Moxa Switch

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

ADP CISA Base Score: 7.8
ADP CISA Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96151
Nessus Name: OpenSSH < 7.4 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207615
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: OpenSSH 7.4
Patch: github.com

Timelineinfo

12/19/2016 🔍
12/19/2016 +0 days 🔍
12/19/2016 +0 days 🔍
12/19/2016 +0 days 🔍
12/19/2016 +0 days 🔍
12/19/2016 +0 days 🔍
12/20/2016 +1 days 🔍
12/27/2016 +7 days 🔍
01/04/2017 +8 days 🔍
05/30/2026 +3433 days 🔍

Sourcesinfo

Advisory: release-7.4
Researcher: Guido Vranken
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2016-10012 (🔍)
GCVE (CVE): GCVE-0-2016-10012
GCVE (VulDB): GCVE-100-94610

OVAL: 🔍

SecurityFocus: 94975 - OpenSSH CVE-2016-10012 Security Bypass Vulnerability
SecurityTracker: 1037490
CERT Bund: WID-SEC-2023-1996 - OpenSSH: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/20/2016 10:26
Updated: 05/30/2026 03:30
Changes: 12/20/2016 10:26 (76), 07/11/2019 16:40 (11), 10/12/2022 11:44 (5), 10/12/2022 11:51 (1), 01/09/2026 20:44 (26), 05/30/2026 03:30 (13)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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