CVE-2021-1791 — Out-of-bounds Read in Apple IOS AND Ipados

CWE-125 — Out-of-bounds Read5 documents4 sources
Severity
5.5MEDIUMNVD
EPSS
0.6%
top 31.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple MacosApple Ipados+4 more
Timeline
PublishedApr 2
Latest updateMay 24

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 vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitability: 1.8 | Impact: 3.6

Affected Packages8 packages

▶NVDapple/tvos< 14.4
▶CVEListV5apple/macosunspecified — 11.2+2
▶NVDapple/macos11.0 — 11.2
▶NVDapple/ipados< 14.4
▶NVDapple/watchos< 7.3

🔴Vulnerability Details

2
GHSA
GHSA-3mqc-98m9-f5mm: An out-of-bounds read issue existed that led to the disclosure of kernel memory↗2022-05-24
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CVEList
CVE-2021-1791: An out-of-bounds read issue existed that led to the disclosure of kernel memory↗2021-04-02
▶

📋Vendor Advisories

2
Apple
CVE-2021-1791: macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave↗2021-02-01
▶
Apple
CVE-2021-1791: iOS 14.4 and iPadOS 14.4↗2021-01-26
▶
CVE-2021-1791 — Out-of-bounds Read in Apple | cvebase