Apple Mac OS X up to 10.11.1 IOKit SCSI memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Apple Mac OS X up to 10.11.1. This affects an unknown function of the component IOKit SCSI. The manipulation results in memory corruption. This vulnerability is known as CVE-2015-7068. It is possible to launch the attack remotely. Furthermore, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Apple Mac OS X up to 10.11.1 (Operating System). Affected is an unknown code block of the component IOKit SCSI. 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.

The weakness was published 12/08/2015 by Ian Beer (j00ru) 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-2015-7068 since 09/16/2015. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The advisory points out:

A null pointer dereference existed in the handling of a certain userclient type. This issue was addressed through improved validation.

The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 87321 (Mac OS X Multiple Vulnerabilities (Security Updates 2015-005 / 2015-008)), 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 l. 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 Tenable (87321) and SecurityFocus (BID 78719†). Similar entries are available at VDB-78550, VDB-78551, VDB-79541 and VDB-79545. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.3

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Nessus ID: 87321
Nessus Name: Mac OS X Multiple Vulnerabilities (Security Updates 2015-005 / 2015-008)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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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 🔍
12/11/2015 +2 days 🔍
12/11/2015 +0 days 🔍
11/12/2024 +3259 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205637
Researcher: Ian Beer (j00ru)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7068 (🔍)
GCVE (CVE): GCVE-0-2015-7068
GCVE (VulDB): GCVE-100-79560
SecurityFocus: 78719 - Apple Mac OS X/watchOS/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1034344

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

Entryinfo

Created: 12/09/2015 14:04
Updated: 11/12/2024 07:45
Changes: 12/09/2015 14:04 (44), 04/28/2018 23:53 (25), 06/29/2022 13:45 (3), 06/29/2022 13:51 (11), 06/29/2022 13:57 (1), 06/22/2024 19:17 (23), 11/12/2024 07:45 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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