Apple macOS up to 10.12.3 OpenSSH memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.12.3. It has been declared as critical. Impacted is an unknown function of the component OpenSSH. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2016-10012. The attack must be initiated from a local position. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.12.3 (Operating System). It has been classified as critical. Affected is some unknown processing of the component OpenSSH. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 12/19/2016. The weakness was shared 03/27/2017 by Guido Vranken as HT207615 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2016-10012 since 12/19/2016. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The advisory points out:

Multiple issues existed in OpenSSH before version 7.4. These were addressed by updating OpenSSH to version 7.4.

The vulnerability was handled as a non-public zero-day exploit for at least 16 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 102751 (CentOS 7 : openssh (CESA-2017:2029)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. 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 10.12.4 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 (102751), SecurityFocus (BID 94975†) and CERT Bund (WID-SEC-2023-1996). The entries VDB-94607, VDB-94608, VDB-94609 and VDB-94610 are related to this item. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

ADP CISA Base Score: 7.8
ADP CISA Vector: 🔍

CVSSv2info

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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: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 102751
Nessus Name: CentOS 7 : openssh (CESA-2017:2029)
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: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.12.4
Patch: github.com

Timelineinfo

12/19/2016 🔍
12/19/2016 +0 days 🔍
12/19/2016 +0 days 🔍
01/04/2017 +16 days 🔍
03/27/2017 +82 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
08/25/2017 +150 days 🔍
05/30/2026 +3200 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207615
Researcher: Guido Vranken
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-10012 (🔍)
GCVE (CVE): GCVE-0-2016-10012
GCVE (VulDB): GCVE-100-98664

OVAL: 🔍

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

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 03/28/2017 11:18
Updated: 05/30/2026 03:30
Changes: 03/28/2017 11:18 (80), 08/21/2020 15:03 (7), 11/20/2022 09:38 (5), 01/09/2026 20:44 (21), 05/30/2026 03:30 (11)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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