Apple iOS up to 9.1 IOKit SCSI null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Apple iOS up to 9.1 and classified as critical. Affected by this vulnerability is an unknown functionality of the component IOKit SCSI. The manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2015-7068. Moreover, an exploit is present. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Apple iOS up to 9.1 (Smartphone Operating System). This issue affects an unknown part of the component IOKit SCSI. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 12/08/2015 by Ian Beer (j00ru) with Google Project Zero as HT205635 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2015-7068 since 09/16/2015. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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 available at packetstormsecurity.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. 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 9.2 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 (87314), SecurityFocus (BID 78719†) and Vulnerability Center (SBV-55242†). The entries VDB-79541, VDB-79545, VDB-79546 and VDB-79547 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.9
VulDB Meta Temp Score: 8.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

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: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 9.2

Timelineinfo

09/16/2015 🔍
12/08/2015 +83 days 🔍
12/08/2015 +0 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 🔍
12/15/2015 +4 days 🔍
11/12/2024 +3255 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205635
Researcher: Ian Beer (j00ru)
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-7068 (🔍)
GCVE (CVE): GCVE-0-2015-7068
GCVE (VulDB): GCVE-100-79607
SecurityFocus: 78719 - Apple Mac OS X/watchOS/iOS/tvOS Multiple Security Vulnerabilities
SecurityTracker: 1034344
Vulnerability Center: 55242 - Apple iOS <9.2 Remote Code Execution due to a Null Pointer Dereference Issue - CVE-2015-7068, Critical

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

Entryinfo

Created: 12/09/2015 14:31
Updated: 11/12/2024 10:43
Changes: 12/09/2015 14:31 (64), 05/14/2018 10:51 (12), 06/29/2022 23:00 (4), 06/29/2022 23:12 (11), 06/29/2022 23:22 (1), 06/22/2024 19:17 (23), 11/12/2024 10:43 (2)
Complete: 🔍
Cache ID: 216::103

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