Apple iOS up to 11.2.4 Kernel Memory information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple iOS up to 11.2.4. It has been declared as problematic. This impacts an unknown function of the component Kernel. Executing a manipulation can lead to information disclosure (Memory). The identification of this vulnerability is CVE-2018-4090. The attack can only be executed locally. Furthermore, there is an exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple iOS up to 11.2.4 (Smartphone Operating System) and classified as problematic. This vulnerability affects some unknown processing of the component Kernel. The manipulation with an unknown input leads to a information disclosure vulnerability (Memory). The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality.

The bug was discovered 01/23/2018. The weakness was shared 01/26/2018 by Jann Horn with Google Project Zero as HT208463 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2018-4090. Local access is required to approach this attack. Required for exploitation is a single authentication. Technical details are unknown but a public exploit is available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project. The advisory points out:

A memory initialization issue was addressed through improved memory handling.

It is possible to download the exploit 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 106297 (macOS and Mac OS X Multiple Vulnerabilities (Security Update 2018-001) (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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370738 (Apple macOS High Sierra 10.13.3, Security Update 2018-001 Sierra, and Security Update 2018-001 El Capitan Not Installed (Meltdown)).

Upgrading to version 11.2.5 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 (43923), Tenable (106297) and SecurityFocus (BID 102057†). The entries VDB-110054, VDB-111325, VDB-112574 and VDB-112575 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.2

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

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Information disclosure / Memory
CWE: CWE-200 / CWE-284 / CWE-266
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: 106297
Nessus Name: macOS and Mac OS X Multiple Vulnerabilities (Security Update 2018-001) (Meltdown)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 71145
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 (HT208465)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iOS 11.2.5

Timelineinfo

11/29/2017 🔍
01/02/2018 +33 days 🔍
01/23/2018 +21 days 🔍
01/23/2018 +0 days 🔍
01/24/2018 +1 days 🔍
01/26/2018 +2 days 🔍
01/28/2018 +2 days 🔍
04/03/2018 +65 days 🔍
12/25/2024 +2458 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT208463
Researcher: Jann Horn
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-4090 (🔍)
GCVE (CVE): GCVE-0-2018-4090
GCVE (VulDB): GCVE-100-112594
SecurityFocus: 102057 - cURL/libcURL CVE-2017-8817 Memory Corruption Vulnerability
SecurityTracker: 1040265

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

Entryinfo

Created: 01/28/2018 19:00
Updated: 12/25/2024 05:42
Changes: 01/28/2018 19:00 (72), 12/30/2019 17:14 (17), 02/02/2021 09:24 (4), 12/25/2024 05:42 (15)
Complete: 🔍
Cache ID: 216:3A0:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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