Apple Mac OS X up to 10.11.2 syslog memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Mac OS X up to 10.11.2. It has been rated as problematic. The affected element is an unknown function of the component syslog. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2016-1722. An attack has to be approached locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple Mac OS X up to 10.11.2 (Operating System) and classified as critical. This issue affects an unknown function of the component syslog. 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 summary by CVE is:

syslog in Apple iOS before 9.2.1, OS X before 10.11.3, and tvOS before 9.1.1 allows local users to gain privileges or cause a denial of service (memory corruption) via unspecified vectors.

The weakness was shared 01/19/2016 by Joshua J. Drake and Nikias Bassen with Zimperium zLabs as HT205731 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-1722 since 01/13/2016. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A memory corruption issue was addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 88047 (Mac OS X 10.11.x < 10.11.3 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124584 (Apple Mac OS X v10.11.3 and Security Update 2016-001 Not Installed (APPLE-SA-2016-01-19-2)).

Upgrading to version 10.11.3 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (88047). The entries VDB-79234, VDB-80331, VDB-80332 and VDB-80333 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

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

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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: 88047
Nessus Name: Mac OS X 10.11.x < 10.11.3 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 February-2016
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: Mac OS X 10.11.3

Timelineinfo

01/13/2016 🔍
01/19/2016 +6 days 🔍
01/19/2016 +0 days 🔍
01/21/2016 +2 days 🔍
01/21/2016 +0 days 🔍
02/01/2016 +11 days 🔍
07/03/2022 +2344 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205731
Researcher: Joshua J. Drake, Nikias Bassen
Organization: Zimperium zLabs
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1722 (🔍)
GCVE (CVE): GCVE-0-2016-1722
GCVE (VulDB): GCVE-100-80339
SecurityTracker: 1034736

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

Entryinfo

Created: 01/21/2016 09:21
Updated: 07/03/2022 18:09
Changes: 01/21/2016 09:21 (61), 06/25/2018 09:15 (19), 07/03/2022 18:09 (3)
Complete: 🔍
Cache ID: 216:B52:103

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