Apple iOS up to 11.1 Kernel input validation

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4.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple iOS up to 11.1. Impacted is an unknown function of the component Kernel. Such manipulation leads to input validation. This vulnerability is documented as CVE-2017-7154. The attack needs to be performed locally. Additionally, an exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Apple iOS up to 11.1 (Smartphone Operating System). Affected by this issue is an unknown code block of the component Kernel. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. tvOS before 11.2 is affected. The issue involves the "Kernel" component. It allows local users to bypass intended memory-read restrictions or cause a denial of service (system crash).

The bug was discovered 12/21/2017. The weakness was released 12/27/2017 by Jann Horn with Google Project Zero (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2017-7154 since 03/17/2017. The attack needs to be approached locally. The requirement for exploitation is a simple authentication. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 105080 (macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)), 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 370677 (Apple macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan Not Installed).

Upgrading to version 11.2 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (43521), Tenable (105080) and SecurityFocus (BID 103134†). Entries connected to this vulnerability are available at VDB-108975, VDB-109077, VDB-109291 and VDB-110373. Once again VulDB remains the best source for vulnerability data.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.6
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 105080
Nessus Name: macOS 10.13.x < 10.13.2 Multiple Vulnerabilities (Meltdown)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 54322
OpenVAS Name: Apple MacOSX Security Updates(HT208331)-02
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS 11.2

Timelineinfo

03/17/2017 🔍
12/06/2017 +264 days 🔍
12/07/2017 +1 days 🔍
12/21/2017 +14 days 🔍
12/27/2017 +6 days 🔍
12/27/2017 +0 days 🔍
12/28/2017 +1 days 🔍
02/23/2018 +57 days 🔍
08/18/2024 +2368 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Researcher: Jann Horn
Organization: Google Project Zero
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7154 (🔍)
GCVE (CVE): GCVE-0-2017-7154
GCVE (VulDB): GCVE-100-111116
SecurityFocus: 103134 - Apple iOS/tvOS/macOS CVE-2017-7154 Local Security Bypass Vulnerability

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

Entryinfo

Created: 12/28/2017 09:31
Updated: 08/18/2024 20:37
Changes: 12/28/2017 09:31 (63), 12/28/2019 11:39 (21), 08/18/2024 20:37 (19)
Complete: 🔍
Cache ID: 216::103

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