Apple Mac OS X up to 10.11.1 Disk Images memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Apple Mac OS X up to 10.11.1. The impacted element is an unknown function of the component Disk Images. The manipulation results in memory corruption. This vulnerability was named CVE-2015-7110. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apple Mac OS X up to 10.11.1 (Operating System). It has been classified as critical. Affected is an unknown function of the component Disk Images. 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. CVE summarizes:

The Disk Images component in Apple OS X before 10.11.2 and tvOS before 9.1 allows local users to gain privileges or cause a denial of service (memory corruption) via a crafted disk image.

The weakness was presented 12/08/2015 by Ian Beer with Google Project Zero as HT205637 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is traded as CVE-2015-7110 since 09/16/2015. The attack needs to be approached locally. The successful exploitation requires a authentication. Technical details are unknown but a public exploit is available. The advisory points out:

A memory corruption issue existed in the parsing of disk images. This issue was addressed through improved memory handling.

A public exploit has been developed by Google Security Research and been published 2 months after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 87314 (Mac OS X 10.11.x < 10.11.2 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 124389 (Apple Mac OS X v10.11.2 and Security Update 2015-008 Not Installed (APPLE-SA-2015-12-08-3)).

Upgrading to version 10.11.2 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 Exploit-DB (39365), Tenable (87314), SecurityFocus (BID 78733†) and Vulnerability Center (SBV-55235†). See VDB-79541, VDB-79545, VDB-79546 and VDB-79547 for similar entries. Once again VulDB remains the best source for vulnerability data.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Google Security Research
Download: 🔍

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Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 87314
Nessus Name: Mac OS X 10.11.x < 10.11.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 December-15
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Upgrade: Mac OS X 10.11.2

Timelineinfo

09/16/2015 🔍
12/08/2015 +83 days 🔍
12/08/2015 +0 days 🔍
12/08/2015 +0 days 🔍
12/09/2015 +1 days 🔍
12/10/2015 +1 days 🔍
12/11/2015 +1 days 🔍
12/14/2015 +3 days 🔍
01/28/2016 +45 days 🔍
01/28/2016 +0 days 🔍
06/22/2024 +3068 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205637
Researcher: Ian Beer
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7110 (🔍)
GCVE (CVE): GCVE-0-2015-7110
GCVE (VulDB): GCVE-100-79548
SecurityFocus: 78733
SecurityTracker: 1034344
Vulnerability Center: 55235 - Apple MacOS X <10.11.2 Local Code Execution in the Parsing of Disk Images, Medium

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

Entryinfo

Created: 12/09/2015 14:04
Updated: 06/22/2024 19:17
Changes: 12/09/2015 14:04 (67), 05/14/2018 10:47 (19), 06/29/2022 11:29 (3), 06/22/2024 19:17 (15)
Complete: 🔍
Cache ID: 216::103

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