CVE-2021-1776
macOS CoreGraphics Integer Overflow / Out-Of-Bounds Write
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted font file may lead to arbitrary code execution.
Se abordó un problema de escritura fuera de límites con una comprobación de límites mejorada. Este problema es corregido en macOS Big Sur versión 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS versión 7.3, tvOS versión 14.4, iOS versión 14.4 y iPadOS versión 14.4. El procesamiento de un archivo fuente diseñado maliciosamente puede conllevar a una ejecución de código arbitraria.
CoreGraphics can be made to write out-of-bounds memory when rendering a specially crafted font. This vulnerability can also be triggered through Safari. The vulnerability was confirmed on macOS Big Sur version 11.1.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2020-12-08 CVE Reserved
- 2021-02-02 CVE Published
- 2024-03-08 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-787: Out-of-bounds Write
CAPEC
References (4)
URL | Tag | Source |
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URL | Date | SRC |
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URL | Date | SRC |
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URL | Date | SRC |
---|---|---|
https://support.apple.com/en-us/HT212146 | 2021-04-09 | |
https://support.apple.com/en-us/HT212147 | 2021-04-09 | |
https://support.apple.com/en-us/HT212148 | 2021-04-09 | |
https://support.apple.com/en-us/HT212149 | 2021-04-09 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
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Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Apple Search vendor "Apple" | Ipados Search vendor "Apple" for product "Ipados" | < 14.4 Search vendor "Apple" for product "Ipados" and version " < 14.4" | - |
Affected
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Apple Search vendor "Apple" | Iphone Os Search vendor "Apple" for product "Iphone Os" | < 14.4 Search vendor "Apple" for product "Iphone Os" and version " < 14.4" | - |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | >= 10.14 < 10.14.6 Search vendor "Apple" for product "Mac Os X" and version " >= 10.14 < 10.14.6" | - |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | >= 10.15 < 10.15.7 Search vendor "Apple" for product "Mac Os X" and version " >= 10.15 < 10.15.7" | - |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | - |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2019-004 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2019-005 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2019-006 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2019-007 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-001 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-002 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-003 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-004 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-005 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-006 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | security_update_2020-007 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | supplemental_update |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.14.6 Search vendor "Apple" for product "Mac Os X" and version "10.14.6" | supplemental_update_2 |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | - |
Affected
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Apple Search vendor "Apple" | Mac Os X Search vendor "Apple" for product "Mac Os X" | 10.15.7 Search vendor "Apple" for product "Mac Os X" and version "10.15.7" | supplemental_update |
Affected
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Apple Search vendor "Apple" | Macos Search vendor "Apple" for product "Macos" | >= 11.0 < 11.2 Search vendor "Apple" for product "Macos" and version " >= 11.0 < 11.2" | - |
Affected
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Apple Search vendor "Apple" | Tvos Search vendor "Apple" for product "Tvos" | < 14.4 Search vendor "Apple" for product "Tvos" and version " < 14.4" | - |
Affected
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Apple Search vendor "Apple" | Watchos Search vendor "Apple" for product "Watchos" | < 7.3 Search vendor "Apple" for product "Watchos" and version " < 7.3" | - |
Affected
|