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

CVE-2019-8623 — Out-of-bounds Write in Apple Icloud FOR Windows

CWE-787 — Out-of-bounds Write16 documents9 sources
Severity
8.8HIGHNVD
EPSS
24.4%
top 3.88%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
11
Apple Icloud FOR WindowsApple IOSApple Itunes FOR Windows+8 more
Timeline
PublishedDec 18
Latest updateMay 24

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1, Safari 12.1.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. 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 Packages14 packages

▶CVEListV5apple/icloud_for_windowsunspecified — iCloud for Windows 7.12
▶CVEListV5apple/itunes_for_windowsunspecified — iTunes for Windows 12.9.5
▶CVEListV5apple/tvosunspecified — tvOS 12.3
▶NVDapple/tvos< 12.3
▶CVEListV5apple/macosunspecified — macOS Mojave 10.14.5

🔴Vulnerability Details

3
GHSA
GHSA-vq4j-69c9-q6rm: Multiple memory corruption issues were addressed with improved memory handling↗2022-05-24
▶
CVEList
CVE-2019-8623: Multiple memory corruption issues were addressed with improved memory handling↗2019-12-18
▶
OSV
CVE-2019-8623: Multiple memory corruption issues were addressed with improved memory handling↗2019-12-18
▶

💥Exploits & PoCs

1
Exploit-DB
Apple macOS < 10.14.5 / iOS < 12.3 JavaScriptCore - Loop-Invariant Code Motion (LICM) in DFG JIT Leaves Stack Variable Uninitialized↗2019-05-21
▶

📋Vendor Advisories

10
Apple
CVE-2019-8623: iCloud for Windows 10.4↗2019-06-11
▶
Apple
CVE-2019-8623: iCloud for Windows 7.12↗2019-05-28
▶
Apple
CVE-2019-8623: iTunes for Windows 12.9.5↗2019-05-28
▶
Red Hat
webkitgtk: Multiple memory corruption issues leading to arbitrary code execution↗2019-05-20
▶
Apple
CVE-2019-8623: iOS 12.3↗2019-05-13
▶

💬Community

1
Bugzilla
CVE-2019-8623 webkitgtk: Multiple memory corruption issues leading to arbitrary code execution↗2020-09-08
▶
CVE-2019-8623 — Out-of-bounds Write in Apple | cvebase