CVE-2021-30737: High severity apple macos vulnerability

Published May 24, 2021
·
Updated

A memory corruption issue in the ASN.1 decoder was addressed by removing the vulnerable code. This issue is fixed in tvOS 14.6, Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, iOS 12.5.4, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. Processing a maliciously crafted certificate may lead to arbitrary code execution.

Other sources

Security. A memory corruption issue in the ASN.1 decoder was addressed by removing the vulnerable code.

Security. Processing a maliciously crafted certificate may lead to arbitrary code execution.

Credit

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Affected Software

45 affected componentsFixes available
Apple macOS Big Sur<11.4
11.4
Apple tvOS<14.6
14.6
Apple Catalina
Apple Mojave
Apple WatchOS<7.5
7.5
Apple iOS<12.5.4
12.5.4
Apple iOS<14.6
14.6
Apple iPadOS<14.6
14.6
Apple iPadOS<14.6
Apple iPhone OS<12.5.4
Apple iPhone OS>=13.0<14.6
Apple iOS and macOS>=10.14.0<=10.14.5
Apple iOS and macOS>=10.15<=10.15.5
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-001
Apple iOS and macOS=10.14.6-security_update_2019-002
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.14.6-security_update_2021-001
Apple iOS and macOS=10.14.6-security_update_2021-002
Apple iOS and macOS=10.14.6-security_update_2021-003
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple iOS and macOS=10.15.6
Apple iOS and macOS=10.15.6-supplemental_update
Apple iOS and macOS=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020
Apple iOS and macOS=10.15.7-security_update_2020-001
Apple iOS and macOS=10.15.7-security_update_2020-005
Apple iOS and macOS=10.15.7-security_update_2020-007
Apple iOS and macOS=10.15.7-security_update_2021-001
Apple iOS and macOS=10.15.7-security_update_2021-002
Apple iOS and macOS=10.15.7-supplemental_update
Apple macOS>=11.0.1<11.4
Apple tvOS<14.6
Apple WatchOS<7.5

Event History

Sep 8, 2021
CVE Published
via MITRE·01:43 PM
Data Sourced
via MITRE·01:43 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is CVE-2021-30737?

CVE-2021-30737 is a vulnerability that allows arbitrary code execution when processing a maliciously crafted certificate in certain Apple operating systems.

2

How can CVE-2021-30737 be exploited?

CVE-2021-30737 can be exploited by an attacker who crafts a malicious certificate and tricks a user into opening it, leading to arbitrary code execution.

3

Which Apple operating systems are affected by CVE-2021-30737?

CVE-2021-30737 affects Apple iOS, iPadOS, macOS, tvOS, watchOS, Catalina, and Mojave.

4

What is the severity of CVE-2021-30737?

CVE-2021-30737 has a severity rating of critical.

5

How can I fix CVE-2021-30737?

To fix CVE-2021-30737, update your affected Apple operating system to the specified versions in the Apple security advisories.

Company

Resources

Contact

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CVE-2021-30737 - High severity apple macos vulnerability - SecAlerts