CVE-2021-30789 — Out-of-bounds Read in Apple Macos

CWE-125 — Out-of-bounds ReadCWE-122 — Heap-based Buffer OverflowCWE-787 — Out-of-bounds Write6 documents6 sources
Severity
7.8HIGHNVD
EPSS
0.6%
top 29.81%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOSApple MacosApple Security Update Catalina+4 more
Timeline
PublishedSep 8
Latest updateMay 26

Description

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbitrary code execution.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages8 packages

▶CVEListV5apple/security_update_catalinaunspecified — 2021
▶NVDapple/tvos< 14.7
▶CVEListV5apple/macosunspecified — 11.5+2
▶NVDapple/macos11.0 — 11.5+1
▶NVDapple/watchos< 7.6

🔴Vulnerability Details

2
GHSA
GHSA-4x5p-qcrv-5jj7: An out-of-bounds read was addressed with improved input validation↗2022-05-24
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CVEList
CVE-2021-30789: An out-of-bounds read was addressed with improved input validation↗2021-09-08
▶

📋Vendor Advisories

3
Red Hat
ntfs-3g: crafted NTFS image can cause a heap-based buffer overflow in ntfs_check_log_client_array↗2022-05-26
▶
Microsoft
A crafted NTFS image can cause a heap-based buffer overflow in ntfs_check_log_client_array in NTFS-3G through 2021.8.22.↗2022-05-10
▶
Apple
CVE-2021-30789: iOS 14.7 and iPadOS 14.7↗
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CVE-2021-30789 — Out-of-bounds Read in Apple Macos | cvebase