Apple iTunes up to 12.5.3 WebKit memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iTunes up to 12.5.3. It has been rated as critical. Affected by this issue is some unknown functionality of the component WebKit. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2016-4743. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple iTunes up to 12.5.3 (Multimedia Player Software). It has been classified as critical. This affects an unknown function of the component WebKit. 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 bug was discovered 12/14/2016. The weakness was disclosed 12/13/2016 by Boris Zbarsky with Zero Day Initiative as HT207427 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2016-4743 since 05/11/2016. It is possible to initiate the attack remotely. No form of 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 95825 (Apple iTunes < 12.5.4 Multiple Vulnerabilities (uncredentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Peer-To-Peer File Sharing and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370265 (Apple iTunes Prior to 12.5.4 Multiple Vulnerabilities (HT207427)).

Upgrading to version 12.5.4 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 (95825) and SecurityFocus (BID 94907†). The entries VDB-94194, VDB-94199, VDB-94200 and VDB-94201 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.1
NVD 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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 95825
Nessus Name: Apple iTunes < 12.5.4 Multiple Vulnerabilities (uncredentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 802225
OpenVAS Name: Apple iCloud Multiple Vulnerabilities Feb17 (Windows)
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: iTunes 12.5.4

Timelineinfo

05/11/2016 🔍
12/13/2016 +216 days 🔍
12/13/2016 +0 days 🔍
12/13/2016 +0 days 🔍
12/14/2016 +1 days 🔍
12/14/2016 +0 days 🔍
12/14/2016 +0 days 🔍
02/20/2017 +68 days 🔍
10/06/2022 +2054 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207427
Researcher: Boris Zbarsky
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4743 (🔍)
GCVE (CVE): GCVE-0-2016-4743
GCVE (VulDB): GCVE-100-94227
SecurityFocus: 94907 - Apple Safari/Cloud/iTunes/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1037459

See also: 🔍

Entryinfo

Created: 12/14/2016 12:12
Updated: 10/06/2022 12:28
Changes: 12/14/2016 12:12 (73), 07/06/2019 09:11 (11), 10/06/2022 12:28 (4)
Complete: 🔍
Cache ID: 216:1BE:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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