Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2019-8820 — Out-of-bounds Write in Apple Icloud FOR Windows

CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer15 documents9 sources
Severity
8.8HIGHNVD
EPSS
6.5%
top 8.85%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
10
Apple Icloud FOR WindowsApple IOSApple Itunes FOR Windows+7 more
Timeline
PublishedDec 18
Latest updateMay 24

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, tvOS 13.2, watchOS 6.1, Safari 13.0.3, iTunes for Windows 12.10.2, iCloud for Windows 11.0, iCloud for Windows 7.15. 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 Packages13 packages

▶CVEListV5apple/icloud_for_windowsunspecified — iCloud for Windows 11.0+1
▶CVEListV5apple/itunes_for_windowsunspecified — iTunes for Windows 12.10.2
▶NVDapple/icloud10.0 — 10.8+1
▶CVEListV5apple/tvosunspecified — tvOS 13.2
▶NVDapple/tvos< 13.2

🔴Vulnerability Details

3
GHSA
GHSA-6vqf-wwv4-9qqh: Multiple memory corruption issues were addressed with improved memory handling↗2022-05-24
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CVEList
CVE-2019-8820: Multiple memory corruption issues were addressed with improved memory handling↗2019-12-18
▶
OSV
CVE-2019-8820: Multiple memory corruption issues were addressed with improved memory handling↗2019-12-18
▶

💥Exploits & PoCs

1
Exploit-DB
JavaScriptCore - Type Confusion During Bailout when Reconstructing Arguments Objects↗2019-11-05
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📋Vendor Advisories

9
Red Hat
webkitgtk: Multiple memory corruption issues leading to arbitrary code execution↗2019-11-08
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Apple
CVE-2019-8820: iTunes 12.10.2 for Windows↗2019-10-30
▶
Apple
CVE-2019-8820: iCloud for Windows 10.8↗2019-10-30
▶
Apple
CVE-2019-8820: iCloud for Windows 7.15↗2019-10-30
▶
Apple
CVE-2019-8820: watchOS 6.1↗2019-10-29
▶

💬Community

1
Bugzilla
CVE-2019-8820 webkitgtk: Multiple memory corruption issues leading to arbitrary code execution↗2020-09-07
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CVE-2019-8820 — Out-of-bounds Write in Apple | cvebase