Apple iOS up to 10.1.1 Kernel use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Apple iOS up to 10.1.1. This impacts an unknown function of the component Kernel. Performing a manipulation results in use after free. This vulnerability is identified as CVE-2016-7644. The attack is only possible with local access. Additionally, an exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple iOS up to 10.1.1 (Smartphone Operating System). It has been classified as critical. This affects some unknown processing of the component Kernel. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The bug was discovered 12/15/2016. The weakness was released 12/13/2016 by Ian Beer with Google Project Zero as HT207422 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2016-7644 since 09/09/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available. The advisory points out:

A use after free issue was addressed through improved memory management.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 95917 (macOS 10.12.x < 10.12.2 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 370262 (Apple macOS Sierra Security Update 10.12.2 Not Installed (APPLE-SA-2016-12-13-1)).

Upgrading to version 10.2 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (40931), Tenable (95917) and SecurityFocus (BID 94904†). Entries connected to this vulnerability are available at VDB-87463, VDB-91385, VDB-91659 and VDB-93261. Be aware that VulDB is the high quality source for vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 7.7

VulDB Base Score: 8.6
VulDB Temp Score: 7.7
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: Use after free
CWE: CWE-416 / 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: 95917
Nessus Name: macOS 10.12.x < 10.12.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 February-2017
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS 10.2

Timelineinfo

09/09/2016 🔍
12/12/2016 +94 days 🔍
12/13/2016 +1 days 🔍
12/13/2016 +0 days 🔍
12/14/2016 +1 days 🔍
12/15/2016 +1 days 🔍
12/16/2016 +1 days 🔍
02/20/2017 +66 days 🔍
09/22/2024 +2771 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207422
Researcher: Ian Beer
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-7644 (🔍)
GCVE (CVE): GCVE-0-2016-7644
GCVE (VulDB): GCVE-100-94191
SecurityFocus: 94904 - Apple iOS/watchOS/macOS CVE-2016-7644 Remote Code Execution Vulnerability
SecurityTracker: 1037469

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

Entryinfo

Created: 12/14/2016 11:52
Updated: 09/22/2024 06:49
Changes: 12/14/2016 11:52 (61), 07/29/2019 10:09 (27), 10/06/2022 09:24 (4), 09/22/2024 06:49 (16)
Complete: 🔍
Cache ID: 216:923:103

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

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