Apple watchOS up to 5.3.6 Wi-Fi memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Apple watchOS up to 5.3.6. Affected by this vulnerability is an unknown functionality of the component Wi-Fi. The manipulation leads to memory corruption. This vulnerability is referenced as CVE-2020-3843. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple watchOS up to 5.3.6 (Smartwatch Operating System) and classified as critical. This issue affects an unknown code of the component Wi-Fi. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability.

The weakness was published 05/20/2020 by Ian Beer with Google Project Zero as HT211176 as confirmed advisory (Website). The advisory is shared at support.apple.com. The identification of this vulnerability is CVE-2020-3843. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:

A memory corruption issue was addressed with improved input validation.

Upgrading to version 5.3.7 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Similar entries are available at VDB-150589, VDB-150646 and VDB-155781. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

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CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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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: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: watchOS 5.3.7

Timelineinfo

12/18/2019 🔍
02/28/2020 +72 days 🔍
05/20/2020 +82 days 🔍
05/20/2020 +0 days 🔍
12/02/2020 +196 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT211176
Researcher: Ian Beer
Organization: Google Project Zero
Status: Confirmed

CVE: CVE-2020-3843 (🔍)
GCVE (CVE): GCVE-0-2020-3843
GCVE (VulDB): GCVE-100-155705
See also: 🔍

Entryinfo

Created: 02/28/2020 13:57
Updated: 12/02/2020 21:44
Changes: 02/28/2020 13:57 (47), 05/30/2020 00:21 (16), 10/19/2020 18:07 (2), 12/02/2020 21:44 (2)
Complete: 🔍
Cache ID: 216::103

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

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