Apple Mac OS X up to 10.11.0 CoreGraphics memory corruption

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7.0	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apple Mac OS X up to 10.11.0. The affected element is an unknown function of the component CoreGraphics. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2015-5925. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple Mac OS X up to 10.11.0 (Operating System). Affected by this issue is an unknown part of the component CoreGraphics. 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 presented 10/21/2015 by Mark Dowd (PanguTeam) with Apple as HT205375 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2015-5925 since 08/06/2015. The exploitation is known to be difficult. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The advisory points out:

Multiple memory corruption issues existed in CoreGraphics. These issues were addressed through improved memory handling.

The vulnerability scanner Nessus provides a plugin with the ID 86654 (Mac OS X < 10.11.1 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 124172 (Apple Mac OS X v10.11.1 Not Installed (APPLE-SA-2015-10-21-4)).

Upgrading to version 10.11.1 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 (86654), SecurityFocus (BID 77265†) and Vulnerability Center (SBV-53904†). See VDB-68857, VDB-74877, VDB-74936 and VDB-77709 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Apple

Name

• Mac OS X

Version

• 10.0
• 10.1
• 10.2
• 10.3
• 10.4
• 10.5
• 10.6
• 10.7
• 10.8
• 10.9
• 10.10
• 10.11.0

License

• commercial

Support

• end of life

Website

• Vendor: https://www.apple.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 86654
Nessus Name: Mac OS X < 10.11.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus 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: Mac OS X 10.11.1

Timelineinfo

08/06/2015 🔍
10/21/2015 +76 days 🔍
10/21/2015 +0 days 🔍
10/21/2015 +0 days 🔍
10/21/2015 +0 days 🔍
10/22/2015 +1 days 🔍
10/22/2015 +0 days 🔍
10/23/2015 +1 days 🔍
06/24/2022 +2436 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205375
Researcher: Mark Dowd (PanguTeam)
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5925 (🔍)
GCVE (CVE): GCVE-0-2015-5925
GCVE (VulDB): GCVE-100-78788
SecurityFocus: 77265 - Apple Mac OS X/watchOS/IOS Multiple Security Vulnerabilities
SecurityTracker: 1033929
Vulnerability Center: 53904 - Apple iOS <9.1 Remote Code Execution in CoreGraphics - CVE-2015-5925, Medium

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

Entryinfo

Created: 10/22/2015 11:24
Updated: 06/24/2022 11:08
Changes: 10/22/2015 11:24 (62), 02/19/2018 09:17 (12), 06/24/2022 11:02 (4), 06/24/2022 11:08 (1)
Complete: 🔍
Cache ID: 216::103

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Discussion

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