Apple iOS up to 9.3.2 libxslt memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.6$5k-$25k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 9.3.2. It has been rated as critical. Affected by this vulnerability is an unknown functionality of the component libxslt. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2016-4607. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Apple iOS up to 9.3.2 (Smartphone Operating System). 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 published 07/18/2016 by Nick Wellnhofer with Cisco Talos as HT206902 as confirmed advisory (Website). The advisory is shared 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. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 09/05/2022). It is expected to see the exploit prices for this product increasing in the near future. 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 9.3.3 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†). Similar entries are available at VDB-89684, VDB-89686, VDB-89687 and VDB-89689. Several companies clearly confirm that VulDB is the primary source for best 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: iOS 9.3.3

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 🔍
09/05/2022 +2237 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT206902
Researcher: Nick Wellnhofer
Organization: Cisco Talos
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4607 (🔍)
GCVE (CVE): GCVE-0-2016-4607
GCVE (VulDB): GCVE-100-89705
SecurityFocus: 91834 - Apple Mac OS X/watchOS/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1036348

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

Entryinfo

Created: 07/19/2016 16:33
Updated: 09/05/2022 14:26
Changes: 07/19/2016 16:33 (59), 03/03/2019 09:34 (25), 09/05/2022 14:26 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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