Apple Mac OS X up to 10.11.4 NVIDIA Graphics Drivers memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

A vulnerability was found in Apple Mac OS X up to 10.11.4 (Operating System). It has been classified as critical. Affected is an unknown function of the component NVIDIA Graphics Drivers. 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. CVE summarizes:

The NVIDIA Graphics Drivers subsystem in Apple OS X before 10.11.5 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

The weakness was released 05/16/2016 by Ian Beer (lokihardt) with Google Project Zero as HT206567 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2016-1846 since 01/13/2016. Local access is required to approach this attack. The successful exploitation requires a authentication. Technical details are unknown but a public exploit is available. The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

A public exploit has been developed by Google Security Research and been published 4 weeks after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 91228 (Mac OS X 10.11.x < 10.11.5 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c.

Upgrading to version 10.11.5 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 (91228) and Exploit-DB (39920). Entries connected to this vulnerability are available at 87425, 87434, 87435 and 87436.

Productinfo

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Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 8.3
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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Exploitinginfo

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

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Google Security Research
Download: 🔍

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Nessus ID: 91228
Nessus Name: Mac OS X 10.11.x < 10.11.5 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881901
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 November-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Upgrade: Mac OS X 10.11.5

Timelineinfo

01/13/2016 🔍
05/16/2016 +124 days 🔍
05/16/2016 +0 days 🔍
05/16/2016 +0 days 🔍
05/18/2016 +2 days 🔍
05/19/2016 +1 days 🔍
05/20/2016 +1 days 🔍
06/10/2016 +21 days 🔍
06/10/2016 +0 days 🔍
08/21/2022 +2263 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206567
Researcher: Ian Beer (lokihardt)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1846 (🔍)
SecurityTracker: 1035895
SecurityFocus: 90696 - Apple Mac OS X APPLE-SA-2016-05-16-4 Multiple Security Vulnerabilities

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 05/18/2016 11:53
Updated: 08/21/2022 08:12
Changes: 05/18/2016 11:53 (80), 12/01/2018 23:47 (12), 08/21/2022 08:12 (4)
Complete: 🔍

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