Apple macOS up to 11.1 Swift memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apple macOS up to 11.1. Affected by this vulnerability is an unknown functionality of the component Swift. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2021-1769. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple macOS up to 11.1 (Operating System) and classified as problematic. This vulnerability affects an unknown functionality of the component Swift. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 02/01/2021 by CodeColorist as HT212147 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2021-1769. The technical details are unknown and an exploit is not available. The advisory points out:

A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication

Upgrading to version 11.2 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

A logic issue was addressed with improved validation.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Partially

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: macOS 11.2

Timelineinfo

12/08/2020 🔍
02/01/2021 +55 days 🔍
02/01/2021 +0 days 🔍
02/03/2021 +2 days 🔍
02/23/2021 +20 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT212147
Researcher: CodeColorist
Status: Confirmed

CVE: CVE-2021-1769 (🔍)
GCVE (CVE): GCVE-0-2021-1769
GCVE (VulDB): GCVE-100-169114
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 02/03/2021 14:11
Updated: 02/23/2021 08:25
Changes: 02/03/2021 14:11 (3), 02/03/2021 14:12 (14), 02/03/2021 14:15 (31), 02/23/2021 08:25 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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