CVE-2021-30799 — Out-of-bounds Write in Apple Macos

CWE-787 — Out-of-bounds WriteCWE-20 — Improper Input Validation9 documents8 sources
Severity
8.8HIGHNVD
EPSS
1.0%
top 22.89%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Apple IOSApple MacosApple Security Update Catalina+2 more
Timeline
PublishedSep 8
Latest updateMay 24

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages6 packages

▶CVEListV5apple/security_update_catalinaunspecified — 2021
▶CVEListV5apple/macosunspecified — 11.5+1
▶NVDapple/macos11.0 — 11.5
▶NVDapple/mac_os_x10.15 — 10.15.7+4
▶CVEListV5apple/iosunspecified — 14.7

🔴Vulnerability Details

3
GHSA
GHSA-rh3c-99q9-27v6: Multiple memory corruption issues were addressed with improved memory handling↗2022-05-24
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CVEList
CVE-2021-30799: Multiple memory corruption issues were addressed with improved memory handling↗2021-09-08
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OSV
CVE-2021-30799: Multiple memory corruption issues were addressed with improved memory handling↗2021-09-08
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📋Vendor Advisories

5
Ubuntu
WebKitGTK vulnerabilities↗2021-07-28
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Red Hat
webkitgtk: Memory corruptions leading to arbitrary code execution↗2021-07-28
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Apple
CVE-2021-30799: Security Update 2021-005 Mojave↗2021-07-21
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Debian
CVE-2021-30799: webkit2gtk - Multiple memory corruption issues were addressed with improved memory handling. ...↗2021
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Apple
CVE-2021-30799: iOS 14.7 and iPadOS 14.7↗
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