CVE-2020-27952 — Out-of-bounds Write in Apple Macos

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.5%
top 34.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedApr 2
Latest updateMay 24

Description

An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1. 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 Packages3 packages

▶CVEListV5apple/macosunspecified — 11.0+1
▶NVDapple/macos11.0 — 11.1.0
▶NVDapple/mac_os_x10.14 — 10.14.6+3

🔴Vulnerability Details

2
GHSA
GHSA-hcvf-ccgv-pmfq: An out-of-bounds write was addressed with improved input validation↗2022-05-24
▶
CVEList
CVE-2020-27952: An out-of-bounds write was addressed with improved input validation↗2021-04-02
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CVE-2020-27952 — Out-of-bounds Write in Apple Macos | cvebase