Apple Mac OS X up to 10.11.3 Security memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Apple Mac OS X up to 10.11.3. This vulnerability affects unknown code of the component Security. The manipulation results in memory corruption. This vulnerability is known as CVE-2016-1950. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple Mac OS X up to 10.11.3 (Operating System). Affected is an unknown function of the component Security. 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 weakness was published 03/21/2016 with QUARKSLAB as HT206167 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2016-1950 since 01/19/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The advisory points out:

A memory corruption issue existed in the ASN.1 decoder. This issue was addressed through improved input validation.

The vulnerability scanner Nessus provides a plugin with the ID 89848 (Amazon Linux AMI : nss-util (ALAS-2016-667)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175857 (Debian Security Update for nss (DSA 3688-1)).

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 Tenable (89848) and SecurityFocus (BID 84223†). Similar entries are available at VDB-80690, VDB-81239, VDB-81428 and VDB-81430. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA 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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 89848
Nessus Name: Amazon Linux AMI : nss-util (ALAS-2016-667)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703510
OpenVAS Name: Debian Security Advisory DSA 3510-1 (iceweasel - security update)
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 10.11.4

Timelineinfo

01/19/2016 🔍
03/07/2016 +48 days 🔍
03/10/2016 +3 days 🔍
03/13/2016 +2 days 🔍
03/21/2016 +8 days 🔍
03/21/2016 +0 days 🔍
03/23/2016 +2 days 🔍
10/23/2024 +3136 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206167
Organization: QUARKSLAB
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1950 (🔍)
GCVE (CVE): GCVE-0-2016-1950
GCVE (VulDB): GCVE-100-81480

OVAL: 🔍

SecurityFocus: 84223 - Mozilla Network Security Services CVE-2016-1950 Heap Buffer Overflow Vulnerability
SecurityTracker: 1035215

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

Entryinfo

Created: 03/23/2016 12:12
Updated: 10/23/2024 03:38
Changes: 03/23/2016 12:12 (63), 09/09/2018 11:28 (20), 07/11/2022 09:59 (4), 10/23/2024 03:38 (25)
Complete: 🔍
Cache ID: 216::103

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