Apple watchOS up to 5.2.1 Core Data out-of-bounds

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple watchOS up to 5.2.1. It has been rated as critical. This vulnerability affects unknown code of the component Core Data. Performing a manipulation results in out-of-bounds. This vulnerability is reported as CVE-2019-8646. The attack is possible to be carried out remotely. Moreover, an exploit is present. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in Apple watchOS up to 5.2.1 (Smartwatch Operating System). This affects an unknown function of the component Core Data. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 07/22/2019 by Natalie Silvanovich with Google Project Zero as HT210353 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is uniquely identified as CVE-2019-8646 since 02/18/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are unknown but a public exploit is available. The advisory points out:

An out-of-bounds read was addressed with improved input validation.

The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 5.3 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 (47194). The entries VDB-138538, VDB-138539, VDB-138540 and VDB-138541 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.0

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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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: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 5.3

Timelineinfo

02/18/2019 🔍
07/22/2019 +154 days 🔍
07/22/2019 +0 days 🔍
07/24/2019 +2 days 🔍
01/26/2025 +2013 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT210353
Researcher: Natalie Silvanovich
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2019-8646 (🔍)
GCVE (CVE): GCVE-0-2019-8646
GCVE (VulDB): GCVE-100-138537
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/24/2019 15:00
Updated: 01/26/2025 07:48
Changes: 07/24/2019 15:00 (63), 07/10/2020 12:13 (1), 11/06/2023 12:46 (4), 01/26/2025 07:48 (24)
Complete: 🔍
Cache ID: 216::103

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

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