VDB-130689 · CVE-2019-7287 · HT209520

Apple iOS up to 12.1.3 IOKit memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.4	$5k-$25k	0.00

A vulnerability classified as very critical has been found in Apple iOS up to 12.1.3 (Smartphone Operating System). This affects some unknown processing of the component IOKit. 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 summary by CVE is:

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 12.1.4. An application may be able to execute arbitrary code with kernel privileges.

The bug was discovered 02/07/2019. The weakness was shared 02/07/2019 by Clement Lecigne, Ian Beer and Samuel Gross with Google Project Zero as HT209520 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2019-7287 since 01/31/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a private exploit is available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 05/09/2020). It is expected to see the exploit prices for this product increasing in the near future. The advisory points out:

A memory corruption issue was addressed with improved input validation.

It is declared as highly functional. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 05/23/2022 with a due date of 06/13/2022:

Apply updates per vendor instructions.

Upgrading to version 12.1.4 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The entries 130307, 130688 and 130690 are related to this item.

Productinfo

Type

Smartphone Operating System

Vendor

Apple

Name

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.7
VulDB Meta Temp Score: 8.5

VulDB Base Score: 9.6
VulDB Temp Score: 9.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Highly functional

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 12.1.4

Timelineinfo

01/31/2019 🔍
02/07/2019 +7 days 🔍
02/07/2019 +0 days 🔍
02/07/2019 +0 days 🔍
02/09/2019 +2 days 🔍
05/09/2020 +455 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209520
Researcher: Clement Lecigne, Ian Beer, Samuel Gross
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2019-7287 (🔍)
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 02/09/2019 15:00
Updated: 05/09/2020 14:35
Changes: 02/09/2019 15:00 (66), 05/09/2020 14:35 (3)
Complete: 🔍