Buffer overflow in Apple iOS
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.
Summary
A buffer overflow was addressed with improved bounds checking. This issue is fixed in iOS 12.2, macOS Mojave 10.14.4, tvOS 12.2, watchOS 5.2, iTunes 12.9.4 for Windows, iCloud for Windows 7.11. A malicious application may be able to elevate privileges.
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 12.2 | iOS 12.2 | Patch available | CNA |
| Apple | macOS | before macOS Mojave 10.14.4 | macOS Mojave 10.14.4 | Patch available | CNA |
| Apple | tvOS | before tvOS 12.2 | tvOS 12.2 | Patch available | CNA |
| Apple | watchOS | before watchOS 5.2 | watchOS 5.2 | Patch available | CNA |
| Apple | iTunes for Windows | before iTunes 12.9.4 for Windows | iTunes 12.9.4 for Windows | Patch available | CNA |
| Apple | iCloud for Windows | before iCloud for Windows 7.11 | iCloud for Windows 7.11 | Patch available | CNA |
- iOS VendorApple Affected before iOS 12.2 Fixed in iOS 12.2 Patch available CNA
- macOS VendorApple Affected before macOS Mojave 10.14.4 Fixed in macOS Mojave 10.14.4 Patch available CNA
- tvOS VendorApple Affected before tvOS 12.2 Fixed in tvOS 12.2 Patch available CNA
- watchOS VendorApple Affected before watchOS 5.2 Fixed in watchOS 5.2 Patch available CNA
- iTunes for Windows VendorApple Affected before iTunes 12.9.4 for Windows Fixed in iTunes 12.9.4 for Windows Patch available CNA
- iCloud for Windows VendorApple Affected before iCloud for Windows 7.11 Fixed in iCloud for Windows 7.11 Patch available CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* | before 7.11 | Vulnerable | Apple |
| cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* | before 12.9.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 12.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.14.4 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 12.2 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 5.2 | Vulnerable | Apple |
- cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 7.11 Vulnerable ·Apple
- cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.9.4 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 12.2 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.14.4 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 12.2 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 5.2 Vulnerable ·Apple
Remediation
- Fix · CNA iOS (Apple) Fixed in iOS 12.2
- Fix · CNA macOS (Apple) Fixed in macOS Mojave 10.14.4
- Fix · CNA tvOS (Apple) Fixed in tvOS 12.2
- Fix · CNA watchOS (Apple) Fixed in watchOS 5.2
- Fix · CNA iTunes for Windows (Apple) Fixed in iTunes 12.9.4 for Windows
- Fix · CNA iCloud for Windows (Apple) Fixed in iCloud for Windows 7.11
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS iOS 12.2
49 records Highest priority Priority CRITICAL 1 CRITICAL, 18 MEDIUM, 30 LOW
Other records, highest priority first
- TI-2019-06084 Type confusion in Apple iOSPriority CRITICAL 97
- TI-2019-06096 Out-of-bounds write in Apple iOSPriority MEDIUM 51
- TI-2019-06134 Out-of-bounds write in Apple iOSPriority MEDIUM 48
- Release ·
Apple tvOS tvOS 12.2
33 records Highest priority Priority CRITICAL 1 CRITICAL, 17 MEDIUM, 15 LOW
Other records, highest priority first
- TI-2019-06084 Type confusion in Apple iOSPriority CRITICAL 97
- TI-2019-06096 Out-of-bounds write in Apple iOSPriority MEDIUM 51
- TI-2019-06134 Out-of-bounds write in Apple iOSPriority MEDIUM 48
Show 4 more groups
- Release ·
Apple macOS macOS Mojave 10.14.4
33 records Highest priority Priority CRITICAL 1 CRITICAL, 4 MEDIUM, 28 LOW
Other records, highest priority first
- TI-2019-06104 Use after free in Apple macOSPriority CRITICAL 93
- TI-2019-06141 Race condition in Apple iOSPriority MEDIUM 46
- TI-2019-06105 Buffer overflow in Apple iOSPriority MEDIUM 45
- Release ·
Apple watchOS watchOS 5.2
27 records Highest priority Priority CRITICAL 1 CRITICAL, 9 MEDIUM, 17 LOW
Other records, highest priority first
- TI-2019-06084 Type confusion in Apple iOSPriority CRITICAL 97
- TI-2019-06096 Out-of-bounds write in Apple iOSPriority MEDIUM 51
- TI-2019-06134 Out-of-bounds write in Apple iOSPriority MEDIUM 48
- Release ·
Apple iCloud for Windows iCloud for Windows 7.11
20 records Highest priority Priority CRITICAL 1 CRITICAL, 13 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2019-06084 Type confusion in Apple iOSPriority CRITICAL 97
- TI-2019-06096 Out-of-bounds write in Apple iOSPriority MEDIUM 51
- TI-2019-06134 Out-of-bounds write in Apple iOSPriority MEDIUM 48
- Release ·
Apple iTunes for Windows iTunes 12.9.4 for Windows
19 records Highest priority Priority CRITICAL 1 CRITICAL, 14 MEDIUM, 4 LOW
Other records, highest priority first
- TI-2019-06084 Type confusion in Apple iOSPriority CRITICAL 97
- TI-2019-06096 Out-of-bounds write in Apple iOSPriority MEDIUM 51
- TI-2019-06134 Out-of-bounds write in Apple iOSPriority MEDIUM 48
Timeline
- 2026-10-02 Threatist record created from CVE-2019-8542
- 2026-10-03 Alias added: GHSA-22w7-gmrw-m5qp
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-2019-8542 · CVE Program
- CVE-2019-8542 · NVD
- FIRST EPSS
- GHSA-22w7-gmrw-m5qp · GitHub Advisory Database · CC BY 4.0
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