CVE-2021-30785 — Classic Buffer Overflow in Apple Macos

CWE-120 — Classic Buffer OverflowCWE-125 — Out-of-bounds ReadCWE-787 — Out-of-bounds Write8 documents6 sources
Severity
7.8HIGHNVD
EPSS
0.8%
top 25.93%
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

A buffer overflow was addressed with improved bounds checking. 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 image 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/macos< 11.5
▶NVDapple/watchos< 7.6

🔴Vulnerability Details

2
GHSA
GHSA-8rmr-f55v-w9w6: A buffer overflow was addressed with improved bounds checking↗2022-05-24
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CVEList
CVE-2021-30785: A buffer overflow was addressed with improved bounds checking↗2021-09-08
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📋Vendor Advisories

5
Red Hat
ntfs-3g: a file handle created in fuse_lib_opendir, and later used in fuse_lib_readdir, enables arbitrary memory read and write operations↗2022-05-26
▶
Microsoft
A file handle created in fuse_lib_opendir and later used in fuse_lib_readdir enables arbitrary memory read and write operations in NTFS-3G through 2021.8.22 when using libfuse-lite.↗2022-05-10
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Apple
CVE-2021-30785: iCloud for Windows 12.5↗2021-08-16
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Apple
CVE-2021-30785: iTunes 12.11.4 for Windows↗2021-08-09
▶
Apple
CVE-2021-30785: iOS 14.7 and iPadOS 14.7↗
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CVE-2021-30785 — Classic Buffer Overflow in Apple Macos | cvebase