CVE-2021-1791
MEDIUM | Platform: iOS | Changelog
CVE Details
Description
An out-of-bounds read issue existed that led to the disclosure of kernel memory. This was addressed with improved input validation. 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. A malicious application may be able to disclose kernel memory.
CVSS 3.1 Score
| Metric | Value |
|---|---|
| Base Score | 5.5 (MEDIUM) |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N |
Weakness
References
- Apple Security Advisory
- NVD Entry
- https://support.apple.com/en-us/HT212146 (Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/HT212147 (Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/HT212148 (Release Notes, Vendor Advisory)
- https://support.apple.com/en-us/HT212149 (Release Notes, Vendor Advisory)