VDB-142369 · CVE-2019-8641 · HT210590

Apple iOS up to 12.4.1 Foundation out-of-bounds

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.
8.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Apple iOS up to 12.4.1 and classified as critical. The impacted element is an unknown function of the component Foundation. This manipulation causes out-of-bounds. The identification of this vulnerability is CVE-2019-8641. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. A worm is propagating and is automatically exploiting this vulnerability. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple iOS up to 12.4.1 (Smartphone Operating System). It has been declared as critical. Affected by this vulnerability is an unknown part of the component Foundation. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 09/26/2019 by Samuel Gross and Natalie Silvanovich with Google Project Zero as HT210590 as confirmed advisory (Website). The advisory is shared at support.apple.com. The vendor cooperated in the coordination of the public release. This vulnerability is known as CVE-2019-8641. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Google Security Research and been published 2 months after the advisory. It is possible to download the exploit at github.com. It is declared as attacked. We expect the 0-day to have been worth approximately $25k-$100k. A worm is spreading, which is automatically exploiting this vulnerability.

Upgrading to version 12.4.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (47608). The entries VDB-138542, VDB-138569, VDB-138630 and VDB-138664 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Smartphone Operating System

Vendor

Apple

Name

Version

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Attacked
Author: Google Security Research
Wormified: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: iOS 12.4.2

Timelineinfo

02/18/2019 🔍
09/26/2019 +220 days 🔍
09/26/2019 +0 days 🔍
09/27/2019 +1 days 🔍
11/11/2019 +45 days 🔍
11/06/2024 +1821 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210590
Researcher: Samuel Gross, Natalie Silvanovich
Organization: Google Project Zero
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2019-8641 (🔍)
GCVE (CVE): GCVE-0-2019-8641
GCVE (VulDB): GCVE-100-142369
scip Labs: https://www.scip.ch/en/?labs.20150917
See also: 🔍

Entryinfo

Created: 09/27/2019 07:45
Updated: 11/06/2024 00:46
Changes: 09/27/2019 07:45 (46), 11/13/2019 13:51 (22), 12/28/2023 14:11 (7), 11/06/2024 00:46 (15)
Complete: 🔍
Committer: misc
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.