CVE-2021-30736 — Classic Buffer Overflow in Apple IOS AND Ipados

CWE-120 — Classic Buffer Overflow5 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 40.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Apple IOS AND IpadosApple MacosApple Ipados+4 more
Timeline
PublishedSep 8
Latest updateMay 24

Description

A buffer overflow was addressed with improved size validation. This issue is fixed in macOS Big Sur 11.4, tvOS 14.6, watchOS 7.5, iOS 14.6 and iPadOS 14.6. An application may be able to execute arbitrary code with kernel privileges.

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 Packages10 packages

▶NVDapple/tvos< 14.6
▶CVEListV5apple/macosunspecified — 11.4+2
▶NVDapple/macos11.0.1 — 11.4
▶NVDapple/ipados< 14.6
▶NVDapple/watchos< 7.5

🔴Vulnerability Details

1
GHSA
GHSA-765w-cqpp-rq2q: A buffer overflow was addressed with improved size validation↗2022-05-24
▶

📋Vendor Advisories

3
Apple
CVE-2021-30736: tvOS 14.6↗2021-05-24
▶
Apple
CVE-2021-30736: watchOS 7.5↗2021-05-24
▶
Apple
CVE-2021-30736: macOS Big Sur 11.4↗2021-05-24
▶