Cyber Resilience

CVE-2020-29611

High

Published: 02 April 2021

Published
02 April 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0048 65.6th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2020-29611 is a high-severity Out-of-bounds Write (CWE-787) vulnerability in Apple Mac Os X. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 34.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in tvOS 14.3, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3 and iPadOS 14.3, iCloud for Windows 12.0, watchOS 7.2.…

more

Processing a maliciously crafted image may lead to arbitrary code execution.

CWE(s)
CWE-787

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

apple
icloud
≤ 12.0
apple
ipados
≤ 14.3
apple
iphone os
≤ 14.3
apple
mac os x
10.14.6, 10.15.7 · 10.14 — 10.14.6 · 10.15 — 10.15.7
apple
macos
11.0 — 11.1.0
apple
tvos
≤ 14.3
apple
watchos
≤ 7.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-16 Memory Protection
addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References