CVE-2019-8689
published 2019-12-18CVE-2019-8689: Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3…
PriorityP268high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EXPLOIT
EPSS
12.85%
95.9th percentile
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to arbitrary code execution.
Affected
28 ranges· showing 25
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | icloud | < 7.13 | 7.13 |
| apple | icloud | >= 10.0 < 10.6 | 10.6 |
| apple | icloud_for_windows | — | — |
| apple | icloud_for_windows | — | — |
| apple | icloud_for_windows | >= unspecified < iCloud for Windows 7.13 | iCloud for Windows 7.13 |
| apple | icloud_for_windows | >= unspecified < iCloud for Windows 10.6 | iCloud for Windows 10.6 |
| apple | ios | — | — |
| apple | ios | >= unspecified < iOS 12.4 | iOS 12.4 |
| apple | iphone_os | < 12.4 | 12.4 |
| apple | itunes | < 12.9.6 | 12.9.6 |
| apple | itunes_12.9.6_for_windows | — | — |
| apple | itunes_for_windows | >= unspecified < iTunes for Windows 12.9.6 | iTunes for Windows 12.9.6 |
| apple | mac_os_x | < 10.14.6 | 10.14.6 |
| apple | macos | >= unspecified < macOS Mojave 10.14.6 | macOS Mojave 10.14.6 |
| apple | macos_mojave_10.14.6_security_update_2019-004_high_sierra_security_update_2019-0 | — | — |
| apple | safari | < 12.1.2 | 12.1.2 |
| apple | safari | — | — |
| apple | safari | >= unspecified < Safari 12.1.2 | Safari 12.1.2 |
| apple | tvos | < 12.4 | 12.4 |
| apple | tvos | — | — |
| apple | tvos | >= unspecified < tvOS 12.4 | tvOS 12.4 |
| apple | watchos | < 5.3 | 5.3 |
| apple | watchos | — | — |
| apple | watchos | >= unspecified < watchOS 5.3 | watchOS 5.3 |
| debian | webkit2gtk | < webkit2gtk 2.24.3-1 (bookworm) | webkit2gtk 2.24.3-1 (bookworm) |
Detection & IOCsextracted from sources · hover to see the quote
urlhttps://github.com/WebKit/webkit/blob/94e868c940d46c5745869192d07255331d00102b/Source/JavaScriptCore/dfg/DFGArgumentsEliminationPhase.cpp#L743↗
- →The vulnerability is triggered by JIT-compiled JavaScript that accesses rest parameters with a negative or overflow index (e.g., -1 or 0xffffffff) via GetByVal on a PhantomCreateRest node in WebKit's DFG JIT ArgumentsEliminationPhase. Monitor for JavaScript executing large loop counts (~1,000,000 iterations) to trigger JIT compilation followed by rest-parameter index underflow access. ↗
- →The root cause is in WebKit JSC DFGArgumentsEliminationPhase::transform — the GetByVal case does not check whether 'index' is lower than 'numberOfArgumentsToSkip', allowing integer underflow/overflow leading to uninitialized variable access. Detection should focus on WebKit/JavaScriptCore JIT activity involving rest-parameter spread arguments with out-of-bounds negative indices. ↗
- →The exploit primitive leaks a controlled value (0x1234) from the stack via uninitialized variable access after JIT optimization. Heap spray or stack value patterns such as 0x1234 appearing as a return value from JIT-compiled rest-parameter access may indicate active exploitation. ↗
- ·The vulnerability affects WebKit as shipped in Safari 12.1.2 and earlier, iOS 12.4 and earlier, macOS Mojave 10.14.6 and earlier, tvOS 12.4, watchOS 5.3, iTunes for Windows 12.9.6, iCloud for Windows 7.13 and 10.6. Detection rules targeting DFGArgumentsEliminationPhase are only relevant to unpatched versions of these products. ↗
- ·The PoC requires JIT compilation to trigger (loop count ~1,000,000). Environments with JIT disabled (e.g., --no-jit or restricted sandbox configurations) will not be vulnerable to this specific code path. ↗
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
nvdv2.09.3CRITICALAV:N/AC:M/Au:N/C:C/I:C/A:C
osv8.8HIGH
vendor_debian8.8HIGH
vendor_redhat8.8HIGH
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GHSA
GHSA-jj3w-68r8-9c3g: Multiple memory corruption issues were addressed with improved memory handling
ghsa_unreviewed·2022-05-24
CVE-2019-8689 [HIGH] CWE-787 GHSA-jj3w-68r8-9c3g: Multiple memory corruption issues were addressed with improved memory handling
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to arbitrary code execution.
OSV
CVE-2019-8689: Multiple memory corruption issues were addressed with improved memory handling
osv·2019-12-18·CVSS 8.8
CVE-2019-8689 [HIGH] CVE-2019-8689: Multiple memory corruption issues were addressed with improved memory handling
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to arbitrary code execution.
Ubuntu
WebKitGTK+ vulnerabilities
vendor_ubuntu·2019-09-11
CVE-2019-8644 WebKitGTK+ vulnerabilities
Title: WebKitGTK+ vulnerabilities
Summary: Several security issues were fixed in WebKitGTK+.
A large number of security issues were discovered in the WebKitGTK+ Web and
JavaScript engines. If a user were tricked into viewing a malicious
website, a remote attacker could exploit a variety of issues related to web
browser security, including cross-site scripting attacks, denial of service
attacks, and arbitrary code execution.
Instructions: This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart any applications
that use WebKitGTK+, such as Epiphany, to make all the necessary changes.
Red Hat
webkitgtk: Multiple memory corruption issues leading to arbitrary code execution
vendor_redhat·2019-08-29·CVSS 8.8
CVE-2019-8689 [HIGH] webkitgtk: Multiple memory corruption issues leading to arbitrary code execution
webkitgtk: Multiple memory corruption issues leading to arbitrary code execution
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to arbitrary code execution.
Package: webkitgtk (Red Hat Enterprise Linux 6) - Out of support scope
Package: webkitgtk3 (Red Hat Enterprise Linux 7) - Will not fix
Apple
CVE-2019-8689: iCloud for Windows 10.6
vendor_apple·2019-07-23·CVSS 8.8
CVE-2019-8689 [HIGH] CVE-2019-8689: iCloud for Windows 10.6
Apple Security Update: About the security content of iCloud for Windows 10.6
Product: iCloud for Windows
Version: 10.6
CVE: CVE-2019-8689
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
Apple
CVE-2019-8689: iTunes 12.9.6 for Windows
vendor_apple·2019-07-23·CVSS 8.8
CVE-2019-8689 [HIGH] CVE-2019-8689: iTunes 12.9.6 for Windows
Apple Security Update: About the security content of iTunes 12.9.6 for Windows
Product: iTunes 12.9.6 for Windows
CVE: CVE-2019-8689
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
Apple
CVE-2019-8689: iCloud for Windows 7.13
vendor_apple·2019-07-23·CVSS 8.8
CVE-2019-8689 [HIGH] CVE-2019-8689: iCloud for Windows 7.13
Apple Security Update: About the security content of iCloud for Windows 7.13
Product: iCloud for Windows
Version: 7.13
CVE: CVE-2019-8689
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
Apple
CVE-2019-8689: Safari 12.1.2
vendor_apple·2019-07-22·CVSS 8.8
CVE-2019-8689 [HIGH] CVE-2019-8689: Safari 12.1.2
Apple Security Update: About the security content of Safari 12.1.2
Product: Safari
Version: 12.1.2
CVE: CVE-2019-8689
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
Apple
CVE-2019-8689: macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra
vendor_apple·2019-07-22·CVSS 8.8
CVE-2019-8689 [HIGH] CVE-2019-8689: macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra
Apple Security Update: About the security content of macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra
Product: macOS Mojave 10.14.6, Security Update 2019-004 High Sierra, Security Update 2019-004 Sierra
CVE: CVE-2019-8689
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
Apple
CVE-2019-8689: iOS 12.4
vendor_apple·2019-07-22·CVSS 8.8
CVE-2019-8689 [HIGH] CVE-2019-8689: iOS 12.4
Apple Security Update: About the security content of iOS 12.4
Product: iOS
Version: 12.4
CVE: CVE-2019-8689
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
Apple
CVE-2019-8689: watchOS 5.3
vendor_apple·2019-07-22·CVSS 8.8
CVE-2019-8689 [HIGH] CVE-2019-8689: watchOS 5.3
Apple Security Update: About the security content of watchOS 5.3
Product: watchOS
Version: 5.3
CVE: CVE-2019-8689
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
Apple
CVE-2019-8689: tvOS 12.4
vendor_apple·2019-07-22·CVSS 8.8
CVE-2019-8689 [HIGH] CVE-2019-8689: tvOS 12.4
Apple Security Update: About the security content of tvOS 12.4
Product: tvOS
Version: 12.4
CVE: CVE-2019-8689
Component: WebKit
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed with improved memory handling.
Debian
CVE-2019-8689: webkit2gtk - Multiple memory corruption issues were addressed with improved memory handling. ...
vendor_debian·2019·CVSS 8.8
CVE-2019-8689 [HIGH] CVE-2019-8689: webkit2gtk - Multiple memory corruption issues were addressed with improved memory handling. ...
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.4, macOS Mojave 10.14.6, tvOS 12.4, watchOS 5.3, Safari 12.1.2, iTunes for Windows 12.9.6, iCloud for Windows 7.13, iCloud for Windows 10.6. Processing maliciously crafted web content may lead to arbitrary code execution.
Scope: local
bookworm: resolved (fixed in 2.24.3-1)
bullseye: resolved (fixed in 2.24.3-1)
forky: resolved (fixed in 2.24.3-1)
sid: resolved (fixed in 2.24.3-1)
trixie: resolved (fixed in 2.24.3-1)
No detection rules found.
https://support.apple.com/HT210346https://support.apple.com/HT210348https://support.apple.com/HT210351https://support.apple.com/HT210353https://support.apple.com/HT210355https://support.apple.com/HT210356https://support.apple.com/HT210357https://support.apple.com/HT210358https://support.apple.com/HT210346https://support.apple.com/HT210348https://support.apple.com/HT210351https://support.apple.com/HT210353https://support.apple.com/HT210355https://support.apple.com/HT210356https://support.apple.com/HT210357https://support.apple.com/HT210358
2019-12-18
Published