CVE-2021-30939
published 2021-08-24CVE-2021-30939: 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…
PriorityP345high7.8CVSS 3.1
AVLACLPRNUIRSUCHIHAH
EPSS
4.06%
89.6th percentile
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.
Affected
19 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_and_ipados | >= unspecified < 15.2 | 15.2 |
| apple | ipados | < 15.2 | 15.2 |
| apple | iphone_os | < 15.2 | 15.2 |
| apple | mac_os_x | — | — |
| apple | mac_os_x | >= 10.15 < 10.15.7 | 10.15.7 |
| apple | macos | >= 11.0 < 11.6.2 | 11.6.2 |
| apple | macos | >= 12.0 < 12.1 | 12.1 |
| apple | macos | >= unspecified < 12.1 | 12.1 |
| apple | macos | >= unspecified < 11.6 | 11.6 |
| apple | macos | >= unspecified < 15.2 | 15.2 |
| apple | macos | >= unspecified < 2021 | 2021 |
| apple | macos_big_sur | — | — |
| apple | macos_monterey | — | — |
| apple | security_update_2021-008_catalina | — | — |
| apple | tvos | < 15.2 | 15.2 |
| apple | tvos | — | — |
| apple | watchos | < 8.3 | 8.3 |
| apple | watchos | — | — |
| apple | watchos | >= unspecified < 8.3 | 8.3 |
CVSS provenance
nvdv3.17.8HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P
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Apple
CVE-2021-30939: Security Update 2021-008 Catalina
vendor_apple·2021-12-13·CVSS 7.8
CVE-2021-30939 [HIGH] CVE-2021-30939: Security Update 2021-008 Catalina
Apple Security Update: About the security content of Security Update 2021-008 Catalina
Product: Security Update 2021-008 Catalina
CVE: CVE-2021-30939
Component: ImageIO
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: An out-of-bounds read was addressed with improved bounds checking.
Apple
CVE-2021-30939: watchOS 8.3
vendor_apple·2021-12-13·CVSS 7.8
CVE-2021-30939 [HIGH] CVE-2021-30939: watchOS 8.3
Apple Security Update: About the security content of watchOS 8.3
Product: watchOS
Version: 8.3
CVE: CVE-2021-30939
Component: ImageIO
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: An out-of-bounds read was addressed with improved bounds checking.
Apple
CVE-2021-30939: macOS Monterey 12.1
vendor_apple·2021-12-13·CVSS 7.8
CVE-2021-30939 [HIGH] CVE-2021-30939: macOS Monterey 12.1
Apple Security Update: About the security content of macOS Monterey 12.1
Product: macOS Monterey
Version: 12.1
CVE: CVE-2021-30939
Component: ImageIO
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: An out-of-bounds read was addressed with improved bounds checking.
Apple
CVE-2021-30939: tvOS 15.2
vendor_apple·2021-12-13·CVSS 7.8
CVE-2021-30939 [HIGH] CVE-2021-30939: tvOS 15.2
Apple Security Update: About the security content of tvOS 15.2
Product: tvOS
Version: 15.2
CVE: CVE-2021-30939
Component: ImageIO
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: An out-of-bounds read was addressed with improved bounds checking.
Apple
CVE-2021-30939: macOS Big Sur 11.6.2
vendor_apple·2021-12-13·CVSS 7.8
CVE-2021-30939 [HIGH] CVE-2021-30939: macOS Big Sur 11.6.2
Apple Security Update: About the security content of macOS Big Sur 11.6.2
Product: macOS Big Sur
Version: 11.6.2
CVE: CVE-2021-30939
Component: ImageIO
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: An out-of-bounds read was addressed with improved bounds checking.
No detection rules found.
No public exploits indexed.
Talos
Vulnerability Spotlight: Vulnerability in Apple iOS, iPad OS and MacOS could lead to disclosure of sensitive memory data
blogs_talos·2022-01-25·CVSS 7.8
[HIGH] Vulnerability Spotlight: Vulnerability in Apple iOS, iPad OS and MacOS could lead to disclosure of sensitive memory data
## Vulnerability Spotlight: Vulnerability in Apple iOS, iPad OS and MacOS could lead to disclosure of sensitive memory data
Jaewon Min of Cisco Talos discovered these vulnerabilities.
Cisco Talos recently discovered an out-of-bounds read vulnerability in Apple’s macOS and iOS operating systems that could lead to the disclosure of sensitive memory content. An attacker could capitalize on that information to aid in the exploitation of other vulnerabilities
This vulnerability specifically exists in the DDS image parsing functionality of Apple’s ImageIO library that exists in its desktop and mobile operating systems.
TALOS-2021-1414 (CVE-2021-30939) occurs if an attacker tricks a user into opening a specially crafted, malicious file. An attacker could exploit this vulnerability to leak the
Talos
Vulnerability Spotlight: Vulnerability in Apple iOS, iPad OS and MacOS could lead to disclosure of sensitive memory data
blogs_talos·2022-01-25·CVSS 7.8
[HIGH] Vulnerability Spotlight: Vulnerability in Apple iOS, iPad OS and MacOS could lead to disclosure of sensitive memory data
Jaewon Min of Cisco Talos discovered these vulnerabilities.
Cisco Talos recently discovered an out-of-bounds read vulnerability in Apple’s macOS and iOS operating systems that could lead to the disclosure of sensitive memory content. An attacker could capitalize on that information to aid in the exploitation of other vulnerabilities
This vulnerability specifically exists in the DDS image parsing functionality of Apple’s ImageIO library that exists in its desktop and mobile operating systems.
TALOS-2021-1414 (CVE-2021-30939) occurs if an attacker tricks a user into opening a specially crafted, malicious file. An attacker could exploit this vulnerability to leak the target’s heap addresses and other information that could aid in further exploitation if the leaked data can be accessed in t
https://support.apple.com/en-us/HT212975https://support.apple.com/en-us/HT212976https://support.apple.com/en-us/HT212978https://support.apple.com/en-us/HT212979https://support.apple.com/en-us/HT212980https://support.apple.com/en-us/HT212981https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414https://www.zerodayinitiative.com/advisories/ZDI-22-359/https://support.apple.com/en-us/HT212975https://support.apple.com/en-us/HT212976https://support.apple.com/en-us/HT212978https://support.apple.com/en-us/HT212979https://support.apple.com/en-us/HT212980https://support.apple.com/en-us/HT212981https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414https://www.zerodayinitiative.com/advisories/ZDI-22-359/
2021-08-24
Published