Apple iOS up to 10 Security input validation

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

A vulnerability was found in Apple iOS up to 10 (Smartphone Operating System) and classified as critical. This issue affects some unknown processing of the component Security. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3 mishandle signed disk images, which allows attackers to execute arbitrary code in a privileged context via a crafted app.

The weakness was released 09/20/2016 by Mark Mentovai with Google Inc. as HT207143 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2016-4753 since 05/11/2016. The exploitation is known to be easy. An attack has to be approached locally. Required for exploitation is a simple authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/20/2022). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A validation issue existed in signed disk images. This issue was addressed through improved size validation.

The vulnerability scanner Nessus provides a plugin with the ID 93776 (Apple TV < 10 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.

Upgrading 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 (93776). Entries connected to this vulnerability are available at 91604, 91602, 91603 and 91605.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93776
Nessus Name: Apple TV < 10 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 September-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

05/11/2016 🔍
09/20/2016 +132 days 🔍
09/20/2016 +0 days 🔍
09/20/2016 +0 days 🔍
09/25/2016 +5 days 🔍
09/26/2016 +1 days 🔍
09/28/2016 +2 days 🔍
09/20/2022 +2183 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207143
Researcher: Mark Mentovai
Organization: Google Inc.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4753 (🔍)
SecurityTracker: 1036858
SecurityFocus: 93059 - Apple iOS/tvOS/MacOS/watchOS CVE-2016-4753 Arbitray Code Execution Vulnerability

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

Entryinfo

Created: 09/26/2016 10:51
Updated: 09/20/2022 14:20
Changes: 09/26/2016 10:51 (59), 04/25/2019 14:22 (24), 09/20/2022 14:20 (4)
Complete: 🔍

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