Apple iOS up to 12.1.2 Kernel out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple iOS up to 12.1.2. The impacted element is an unknown function of the component Kernel. Such manipulation leads to out-of-bounds. This vulnerability is documented as CVE-2019-6209. 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 12.1.2 (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 out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality.

The bug was discovered 01/22/2019. The weakness was released 01/22/2019 with Google Project Zero as HT209443 as confirmed advisory (Website). The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2019-6209 since 01/11/2019. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The advisory points out:

An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation.

The exploit is available 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 121391 (macOS and Mac OS X Multiple Vulnerabilities (Security Update 2019-001)), 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 371589 (Apple macOS Mojave 10.14.3, Security Update 2019-001 High Sierra, Security Update 2019-001 Sierra Not Installed (HT209446)).

Upgrading to version 12.1.3 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 (121391) and SecurityFocus (BID 106323†). Entries connected to this vulnerability are available at VDB-128295, VDB-130034, VDB-130004 and VDB-130005. VulDB is the best source for vulnerability data and more expert information about this specific topic.

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
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: 121391
Nessus Name: macOS and Mac OS X Multiple Vulnerabilities (Security Update 2019-001)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 12.1.3

Timelineinfo

12/14/2018 🔍
01/11/2019 +28 days 🔍
01/22/2019 +11 days 🔍
01/22/2019 +0 days 🔍
01/22/2019 +0 days 🔍
01/23/2019 +1 days 🔍
01/25/2019 +2 days 🔍
01/29/2025 +2196 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209443
Organization: Google Project Zero
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-6209 (🔍)
GCVE (CVE): GCVE-0-2019-6209
GCVE (VulDB): GCVE-100-130016
SecurityFocus: 106323 - SQLite CVE-2018-20346 Remote Integer Overflow Vulnerability

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

Entryinfo

Created: 01/23/2019 12:38
Updated: 01/29/2025 06:25
Changes: 01/23/2019 12:38 (71), 05/04/2020 16:16 (12), 07/02/2023 12:00 (5), 01/29/2025 06:25 (21)
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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