CVE-2021-30973: Input Validation

Published Aug 24, 2021
·
Updated

An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Monterey 12.1, iOS 15.2 and iPadOS 15.2, macOS Big Sur 11.6.2, Security Update 2021-008 Catalina. Processing a maliciously crafted file may disclose user information.

Other sources

Model I/O. An out-of-bounds read was addressed with improved input validation.

Credit

Ye Zhang@@co0py_Cat(Baidu Security)

Affected Software

18 affected componentsFixes available
Apple macOS Big Sur<11.6.2
11.6.2
Apple Catalina
Apple macOS Monterey<12.1
12.1
Apple iOS<15.2
15.2
Apple iPadOS<15.2
15.2
Apple iPadOS<15.2
Apple iPhone OS<15.2
Apple iOS and macOS>=10.15<=10.15.7
Apple iOS and macOS=10.15.7-security_update_2020-001
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-security_update_2021-003
Apple iOS and macOS=10.15.7-security_update_2021-004
Apple iOS and macOS=10.15.7-security_update_2021-005
Apple iOS and macOS=10.15.7-security_update_2021-006
Apple iOS and macOS=10.15.7-security_update_2021-007
Apple macOS>=11.0<11.6.2
Apple macOS>=12.0<12.1

Event History

Aug 24, 2021
CVE Published
via MITRE·06:51 PM
Data Sourced
via MITRE·06:51 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2021-30973?

CVE-2021-30973 is a vulnerability in Model I/O that allows for an out-of-bounds read due to insufficient input validation.

2

How does CVE-2021-30973 impact Apple Catalina?

CVE-2021-30973 impacts Apple Catalina as it is listed as one of the affected software versions.

3

How can CVE-2021-30973 be exploited?

CVE-2021-30973 can be exploited by an attacker who crafts a malicious input that triggers the out-of-bounds read vulnerability.

4

What is the severity of CVE-2021-30973?

The severity of CVE-2021-30973 is not mentioned in the provided information. Please refer to the vendor's advisory for more details.

5

How can I fix CVE-2021-30973?

To fix CVE-2021-30973, it is recommended to update to the latest version of the affected software as mentioned in the vendor's advisory.

Contact

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