CVE-2020-9859 – Apple iPadOS, MacOS Catalina, tvOS, Watch OS – Memory Bug

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, watchOS 6.2.6. An application may be able to execute arbitrary code with kernel privileges.

CVE-2020-9859

Current Description

A memory consumption issue was addressed with improved memory handling. This issue is fixed in iOS 13.5.1 and iPadOS 13.5.1, macOS Catalina 10.15.5 Supplemental Update, tvOS 13.4.6, watchOS 6.2.6. An application may be able to execute arbitrary code with kernel privileges.

View Analysis Description

Severity

CVSS 3.x Severity and Metrics

NIST: NVD Base Score:7.8 HIGHVector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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HyperlinkResource
https://support.apple.com/HT211214Vendor Advisory 

Weakness Enumeration

CWE-IDCWE NameSource
CWE-400Uncontrolled Resource Consumptioncwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )

 cpe:2.3:o:apple:ipad_os:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
13.5.1
 cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
13.5.1
 cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
10.15.5
 cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
13.4.6
 cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
   Show Matching CPE(s)
Up to (excluding)
6.2.6

*Denotes Vulnerable Software

Author profile
Cybersecurity Engineer | Website

Jordan is a Cybersecurity Engineer who has consulted in numerous sectors such as finance, education, manufacturing, and public sector organizations within the United States.