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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9.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple tvOS up to 9.2.1. It has been rated as critical. Impacted is an unknown function of the component libxslt. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2016-4607. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Apple tvOS up to 9.2.1 (Digital Media Player). This issue affects an unknown function of the component libxslt. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was released 07/18/2016 by Nick Wellnhofer with Cisco Talos as HT206905 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-4607 since 05/11/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/06/2022). 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 91834†). Entries connected to this vulnerability are available at VDB-89684, VDB-89686, VDB-89687 and VDB-89690. 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: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

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: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: tvOS 9.2.2

Timelineinfo

05/11/2016 🔍
07/18/2016 +68 days 🔍
07/18/2016 +0 days 🔍
07/18/2016 +0 days 🔍
07/19/2016 +1 days 🔍
07/19/2016 +0 days 🔍
07/21/2016 +2 days 🔍
09/06/2022 +2238 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206905
Researcher: Nick Wellnhofer
Organization: Cisco Talos
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4607 (🔍)
GCVE (CVE): GCVE-0-2016-4607
GCVE (VulDB): GCVE-100-89831
SecurityFocus: 91834 - Apple Mac OS X/watchOS/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1036348

See also: 🔍

Entryinfo

Created: 07/19/2016 19:45
Updated: 09/06/2022 14:53
Changes: 07/19/2016 19:45 (58), 03/03/2019 15:28 (25), 09/06/2022 14:53 (4)
Complete: 🔍
Cache ID: 216::103

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