Apple iOS up to 9.3.1 libc memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apple iOS up to 9.3.1. The affected element is an unknown function of the component libc. This manipulation causes memory corruption. This vulnerability is handled as CVE-2016-1832. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple iOS up to 9.3.1 (Smartphone Operating System) and classified as problematic. Affected by this vulnerability is an unknown code of the component libc. 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 summary by CVE is:

libc in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows local users to gain privileges or cause a denial of service (memory corruption) via unspecified vectors.

The weakness was released 05/16/2016 by Karl Williamson (Basti) with Nanyang Technological University as HT206568 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is known as CVE-2016-1832 since 01/13/2016. Attacking locally is a requirement. A single authentication is needed for 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 input validation.

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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 122912 (Apple Mac OS X v10.11.5 and Security Update 2016-003 Not Installed (APPLE-SA-2016-05-16-4)).

Upgrading to version 9.3.2 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 SecurityFocus (BID 90691†). Entries connected to this vulnerability are available at VDB-87425, VDB-87434, VDB-87435 and VDB-87436. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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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: 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: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 9.3.2

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 🔍
11/06/2024 +3092 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206568
Researcher: Karl Williamson (Basti)
Organization: Nanyang Technological University
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-1832 (🔍)
GCVE (CVE): GCVE-0-2016-1832
GCVE (VulDB): GCVE-100-87511
SecurityFocus: 90691 - Apple Mac OS X/watchOS/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1035890

scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 05/18/2016 12:19
Updated: 11/06/2024 22:00
Changes: 05/18/2016 12:19 (78), 12/01/2018 23:53 (6), 08/21/2022 09:23 (4), 11/06/2024 22:00 (16)
Complete: 🔍
Cache ID: 216:DF7:103

Be aware that VulDB is the high quality source for vulnerability data.

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