Apple Mac OS X up to 10.11.3 Kernel memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple Mac OS X up to 10.11.3. This issue affects some unknown processing of the component Kernel. Executing a manipulation can lead to memory corruption. This vulnerability appears as CVE-2016-1755. The attack may be performed from remote. In addition, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple Mac OS X up to 10.11.3 (Operating System). It has been declared as very critical. This vulnerability affects an unknown part of the component Kernel. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 03/21/2016 by Ian Beer with Google Project Zero as HT206167 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability was named CVE-2016-1755 since 01/12/2016. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 11/11/2024). The advisory points out:

Multiple memory corruption issues were addressed through improved memory handling.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 90309 (Apple TV < 9.2 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 124842 (Apple Mac OS X v10.11.4 and Security Update 2016-002 Not Installed (APPLE-SA-2016-03-21-5)).

Upgrading to version 10.11.4 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 Exploit-DB (39614), Tenable (90309) and SecurityFocus (BID 75570†). See VDB-77250, VDB-80766, VDB-81414 and VDB-81420 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.9
VulDB Meta Temp Score: 8.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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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: 90309
Nessus Name: Apple TV < 9.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-02 March-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Mac OS X 10.11.4

Timelineinfo

01/12/2016 🔍
03/21/2016 +68 days 🔍
03/21/2016 +0 days 🔍
03/23/2016 +2 days 🔍
03/23/2016 +0 days 🔍
04/01/2016 +8 days 🔍
11/11/2024 +3146 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206167
Researcher: Ian Beer
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1755 (🔍)
GCVE (CVE): GCVE-0-2016-1755
GCVE (VulDB): GCVE-100-81448
SecurityFocus: 75570
SecurityTracker: 1035353

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

Entryinfo

Created: 03/23/2016 12:11
Updated: 11/11/2024 20:48
Changes: 03/23/2016 12:11 (57), 09/09/2018 11:24 (25), 07/11/2022 08:25 (4), 11/11/2024 20:48 (16)
Complete: 🔍
Cache ID: 216::103

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