Out-of-bounds write in Apple iOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Partial Red Hat: 11 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
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, 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.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | iOS | before iOS 12.3 | iOS 12.3 | Patch available | CNA |
| Apple | macOS | before macOS Mojave 10.14.5 | macOS Mojave 10.14.5 | Patch available | CNA |
| Apple | tvOS | before tvOS 12.3 | tvOS 12.3 | Patch available | CNA |
| Apple | Safari | before Safari 12.1.1 | Safari 12.1.1 | Patch available | CNA |
| Apple | iTunes for Windows | before iTunes for Windows 12.9.5 | iTunes for Windows 12.9.5 | Patch available | CNA |
| Apple | iCloud for Windows | before iCloud for Windows 7.12 | iCloud for Windows 7.12 | Patch available | CNA |
- iOS VendorApple Affected before iOS 12.3 Fixed in iOS 12.3 Patch available CNA
- macOS VendorApple Affected before macOS Mojave 10.14.5 Fixed in macOS Mojave 10.14.5 Patch available CNA
- tvOS VendorApple Affected before tvOS 12.3 Fixed in tvOS 12.3 Patch available CNA
- Safari VendorApple Affected before Safari 12.1.1 Fixed in Safari 12.1.1 Patch available CNA
- iTunes for Windows VendorApple Affected before iTunes for Windows 12.9.5 Fixed in iTunes for Windows 12.9.5 Patch available CNA
- iCloud for Windows VendorApple Affected before iCloud for Windows 7.12 Fixed in iCloud for Windows 7.12 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* | before 7.12 | Vulnerable | Apple |
| cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* | before 12.9.5 | Vulnerable | Apple |
| cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* | before 12.1.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 12.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.14.5 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 12.3 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 5.1.1 | Vulnerable | Apple |
- cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 7.12 Vulnerable ·Apple
- cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.9.5 Vulnerable ·Apple
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 12.1.1 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.3 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.14.5 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 12.3 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 5.1.1 Vulnerable ·Apple
Remediation
- Fix · CNA iOS (Apple) Fixed in iOS 12.3
- Fix · CNA macOS (Apple) Fixed in macOS Mojave 10.14.5
- Fix · CNA tvOS (Apple) Fixed in tvOS 12.3
- Fix · CNA Safari (Apple) Fixed in Safari 12.1.1
- Fix · CNA iTunes for Windows (Apple) Fixed in iTunes for Windows 12.9.5
- Fix · CNA iCloud for Windows (Apple) Fixed in iCloud for Windows 7.12
Red Hat 2 advisories
- RHSA-2020:4035 Released 2020-09-29 · Red Hat rating Moderatewebkitgtk4 security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) webkitgtk4-2.28.2-2.el7, webkitgtk4-jsc-2.28.2-2.el7
- Red Hat Enterprise Linux Client Optional (v. 7) webkitgtk4-devel-2.28.2-2.el7, webkitgtk4-doc-2.28.2-2.el7, webkitgtk4-jsc-devel-2.28.2-2.el7
- Red Hat Enterprise Linux ComputeNode (v. 7) webkitgtk4-2.28.2-2.el7, webkitgtk4-jsc-2.28.2-2.el7
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) webkitgtk4-devel-2.28.2-2.el7, webkitgtk4-doc-2.28.2-2.el7, webkitgtk4-jsc-devel-2.28.2-2.el7
- Red Hat Enterprise Linux Server (v. 7) webkitgtk4-2.28.2-2.el7, webkitgtk4-2.28.2-2.el7.ppc, webkitgtk4-devel-2.28.2-2.el7 +3
- Red Hat Enterprise Linux Server Optional (v. 7) webkitgtk4-devel-2.28.2-2.el7, webkitgtk4-devel-2.28.2-2.el7.ppc, webkitgtk4-doc-2.28.2-2.el7 +2
- Red Hat Enterprise Linux Workstation (v. 7) webkitgtk4-2.28.2-2.el7, webkitgtk4-devel-2.28.2-2.el7, webkitgtk4-jsc-2.28.2-2.el7 +1
- Red Hat Enterprise Linux Workstation Optional (v. 7) webkitgtk4-doc-2.28.2-2.el7
- RHSA-2019:3553 Released 2019-11-05 · Red Hat rating LowGNOME security, bug fix, and enhancement update
- Red Hat CodeReady Linux Builder (v. 8) accountsservice-devel-0.6.50-7.el8, gdk-pixbuf2-xlib-2.36.12-5.el8, gdk-pixbuf2-xlib-devel-2.36.12-5.el8 +8
- Red Hat Enterprise Linux AppStream (v. 8) SDL-1.2.15-35.el8, SDL-devel-1.2.15-35.el8, accountsservice-0.6.50-7.el8 +47
- Red Hat Enterprise Linux BaseOS (v. 8) gdk-pixbuf2-2.36.12-5.el8, gsettings-desktop-schemas-3.32.0-3.el8, mozjs60-60.9.0-3.el8
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS macOS Mojave 10.14.5
41 records Highest priority Priority CRITICAL 1 CRITICAL, 23 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2019-06181 Use after free in Apple iOSPriority CRITICAL 93
- TI-2019-06176 Out-of-bounds write in Apple iOSPriority MEDIUM 61
- TI-2019-06197 Out-of-bounds write in Apple iOSPriority MEDIUM 49
- Release ·
Apple iOS iOS 12.3
40 records Highest priority Priority CRITICAL 1 CRITICAL, 23 MEDIUM, 16 LOW
Other records, highest priority first
- TI-2019-06181 Use after free in Apple iOSPriority CRITICAL 93
- TI-2019-06176 Out-of-bounds write in Apple iOSPriority MEDIUM 61
- TI-2019-06189 Use after free in Apple iOSPriority MEDIUM 57
Show 3 more groups
- Release ·
Apple tvOS tvOS 12.3
36 records Highest priority Priority CRITICAL 1 CRITICAL, 22 MEDIUM, 13 LOW
Other records, highest priority first
- TI-2019-06181 Use after free in Apple iOSPriority CRITICAL 93
- TI-2019-06176 Out-of-bounds write in Apple iOSPriority MEDIUM 61
- TI-2019-06189 Use after free in Apple iOSPriority MEDIUM 57
- Release ·
Apple iCloud for Windows, iTunes for Windows iCloud for Windows 7.12, iTunes for Windows 12.9.5
25 records Highest priority Priority MEDIUM 20 MEDIUM, 5 LOW
Other records, highest priority first
- TI-2019-06176 Out-of-bounds write in Apple iOSPriority MEDIUM 61
- TI-2019-06197 Out-of-bounds write in Apple iOSPriority MEDIUM 49
- TI-2019-06196 Out-of-bounds write in Apple iOSPriority MEDIUM 49
- Release ·
Apple Safari Safari 12.1.1
21 records Highest priority Priority MEDIUM 17 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2019-06197 Out-of-bounds write in Apple iOSPriority MEDIUM 49
- TI-2019-06196 Out-of-bounds write in Apple iOSPriority MEDIUM 49
- TI-2019-06187 Out-of-bounds write in Apple iOSPriority MEDIUM 49
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2019:3553 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2019:3553 |
| Red Hat Enterprise Linux BaseOS (v. 8) | Fixed | RHSA-2019:3553 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2020:4035 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2020:4035 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2020:4035 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2020:4035 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2020:4035 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2020:4035 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2020:4035 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2020:4035 |
Timeline
- 2026-10-02 Threatist record created from CVE-2019-8597
- 2026-10-03 Alias added: GHSA-2wrv-mv5p-jx2g
References
More Apple Icloud vulnerabilities
- TI-2019-06084 Type confusion in Apple iOS KEVCVSS 3.1HIGH 8.8
- TI-2020-16987 Type confusion in Apple watchOS KEVCVSS 3.1HIGH 7.8
- TI-2020-07926 Apple iOS: A remote attacker may be able to cause arbitrary code execution CVSS 3.1CRITICAL 9.8
- TI-2018-03187 Memory corruption in Apple WebKit CVSS 3.1HIGH 8.8
- TI-2018-03118 Memory corruption in Apple WebKit CVSS 3.0HIGH 8.8
- TI-2018-03361 Memory corruption in iOS, tvOS, watchOS, Safari, iTunes for Windows, iCloud for Windows CVSS 3.0HIGH 8.8
Sources
- CVE-2019-8597 · CVE Program
- CVE-2019-8597 · NVD
- FIRST EPSS
- GHSA-2wrv-mv5p-jx2g · GitHub Advisory Database · CC BY 4.0
- CVE-2019-8597 · Red Hat security data · CC BY 4.0
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