Apple Mac OS X up to 10.11.5 ImageIO memory corruption

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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apple Mac OS X up to 10.11.5. Affected by this vulnerability is an unknown functionality of the component ImageIO. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2016-4630. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple Mac OS X up to 10.11.5 (Operating System). It has been rated as critical. Affected by this issue is an unknown code block of the component ImageIO. 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. CVE summarizes:

ImageIO in Apple OS X before 10.11.6 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted EXR image with B44 compression.

The weakness was presented 07/18/2016 by Tyler Bohan with Cisco Talos as HT206903 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is handled as CVE-2016-4630 since 05/11/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not 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 92496 (Mac OS X 10.11.x < 10.11.6 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370095 (Apple Mac OS X v10.11.6 and Security Update 2016-004 Not Installed (APPLE-SA-2016-07-18-1)).

Upgrading to version 10.11.6 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 (92496) and SecurityFocus (BID 91824†). See VDB-88079, VDB-89684, VDB-89686 and VDB-89687 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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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: 92496
Nessus Name: Mac OS X 10.11.x < 10.11.6 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 63631
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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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Mac OS X 10.11.6

Timelineinfo

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

Sourcesinfo

Vendor: apple.com

Advisory: HT206903
Researcher: Tyler Bohan
Organization: Cisco Talos
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4630 (🔍)
GCVE (CVE): GCVE-0-2016-4630
GCVE (VulDB): GCVE-100-89738
SecurityFocus: 91824 - Apple Mac OS X APPLE-SA-2016-07-18-1 Multiple Security Vulnerabilities
SecurityTracker: 1036348

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 07/19/2016 19:24
Updated: 09/06/2022 08:18
Changes: 07/19/2016 19:24 (73), 03/05/2019 23:31 (12), 09/06/2022 08:18 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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