high
7.8
CWE
125
Advisory Published
Updated
Advisory Published

CVE-2021-30939: Apple macOS ImageIO DDS File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

First published: Tue Aug 24 2021(Updated: )

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing a maliciously crafted image may lead to arbitrary code execution.

Credit: cve@mitre.org cve@mitre.org Mickey Jin @patch1t Trend MicroJaewon Min Cisco TalosRui Yang Xingwei Lin Ant Security LightMickey Jin @patch1t Trend MicroJaewon Min Cisco TalosRui Yang Xingwei Lin Ant Security LightMickey Jin @patch1t Trend MicroJaewon Min Cisco TalosRui Yang Xingwei Lin Ant Security LightMickey Jin @patch1t Trend MicroJaewon Min Cisco TalosRui Yang Xingwei Lin Ant Security LightMickey Jin @patch1t Trend MicroJaewon Min Cisco TalosRui Yang Xingwei Lin Ant Security LightMickey Jin @patch1t Trend MicroJaewon Min Cisco TalosRui Yang Xingwei Lin Ant Security Light

Affected SoftwareAffected VersionHow to fix
Apple iPadOS<15.2
Apple iPhone OS<15.2
Apple Mac OS X>=10.15<10.15.7
Apple Mac OS X=10.15.7
Apple Mac OS X=10.15.7-security_update_2020-001
Apple Mac OS X=10.15.7-security_update_2020-005
Apple Mac OS X=10.15.7-security_update_2020-007
Apple Mac OS X=10.15.7-security_update_2021-001
Apple Mac OS X=10.15.7-security_update_2021-002
Apple Mac OS X=10.15.7-security_update_2021-003
Apple Mac OS X=10.15.7-security_update_2021-004
Apple Mac OS X=10.15.7-security_update_2021-005
Apple Mac OS X=10.15.7-security_update_2021-006
Apple Mac OS X=10.15.7-security_update_2021-007
Apple macOS>=11.0<11.6.2
Apple macOS>=12.0<12.1
Apple tvOS<15.2
Apple watchOS<8.3
Apple tvOS<15.2
15.2
Apple watchOS<8.3
8.3
Apple iOS<15.2
15.2
Apple iPadOS<15.2
15.2
Apple macOS Big Sur<11.6.2
11.6.2
Apple macOS Monterey<12.1
12.1
Apple Catalina
Apple macOS

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is CVE-2021-30939?

    CVE-2021-30939 is a vulnerability in Apple macOS that allows remote attackers to disclose sensitive information.

  • How severe is CVE-2021-30939?

    CVE-2021-30939 has a severity rating of 7.8 (high).

  • Which software versions are affected by CVE-2021-30939?

    CVE-2021-30939 affects Apple macOS Monterey 12.1, tvOS 15.2, watchOS 8.3, macOS Big Sur 11.6.2, iOS 15.2, and iPadOS 15.2.

  • How can CVE-2021-30939 be exploited?

    Exploiting CVE-2021-30939 requires interaction with the ImageIO library, and the attack vectors may vary depending on the implementation.

  • Are there any remediation steps available for CVE-2021-30939?

    Yes, Apple has released security updates to address CVE-2021-30939. Please refer to the official Apple advisory for more information.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2024 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203