Apple tvOS up to 9.2.1 libxslt memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.11

Summaryinfo

A vulnerability marked as critical has been reported in Apple tvOS up to 9.2.1. This impacts an unknown function of the component libxslt. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2016-4612. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple tvOS up to 9.2.1 (Digital Media Player). It has been classified as critical. This affects an unknown code of the component libxslt. 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 07/18/2016 by Nicolas Grégoire as HT206905 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2016-4612 since 05/11/2016. The exploitability is told to be easy. 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:

Multiple memory corruption issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 92411 (Apple iTunes < 12.4.2 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 370092 (Apple iTunes Prior to 12.4.2 Multiple Vulnerabilities (APPLE-SA-2016-07-18-6)).

Upgrading to version 9.2.2 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 (92411) and SecurityFocus (BID 90013†). Similar entries are available at VDB-90188, VDB-89698, VDB-89699 and VDB-89700. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

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

CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 92411
Nessus Name: Apple iTunes < 12.4.2 Multiple Vulnerabilities (uncredentialed check)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Upgrade: tvOS 9.2.2

Timelineinfo

05/11/2016 🔍
07/18/2016 +68 days 🔍
07/18/2016 +0 days 🔍
07/19/2016 +1 days 🔍
07/19/2016 +0 days 🔍
09/06/2022 +2240 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206905
Researcher: Nicolas Grégoire
Status: Confirmed

CVE: CVE-2016-4612 (🔍)
GCVE (CVE): GCVE-0-2016-4612
GCVE (VulDB): GCVE-100-89835
SecurityFocus: 90013

See also: 🔍

Entryinfo

Created: 07/19/2016 19:46
Updated: 09/06/2022 15:12
Changes: 07/19/2016 19:46 (51), 03/03/2019 15:38 (11), 09/06/2022 15:06 (8), 09/06/2022 15:12 (1)
Complete: 🔍
Cache ID: 216:CA5:103

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

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