Memory corruption in Apple macOS
Key facts
- Attack vector
- Network
- 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-119 and the CVSS impact.
Summary
A buffer overflow was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15, tvOS 13, iTunes for Windows 12.10.1, iCloud for Windows 10.7, iCloud for Windows 7.14. Processing a maliciously crafted text file 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 | macOS | before macOS Catalina 10.15 | macOS Catalina 10.15 | Patch available | CNA |
| Apple | tvOS | before tvOS 13 | tvOS 13 | Patch available | CNA |
| Apple | iTunes for Windows | before iTunes for Windows 12.10.1 | iTunes for Windows 12.10.1 | Patch available | CNA |
| Apple | iCloud for Windows | before iCloud for Windows 10.7 | iCloud for Windows 10.7 | Patch available | CNA |
| Apple | iCloud for Windows (Legacy) | before iCloud for Windows 7.14 | iCloud for Windows 7.14 | Patch available | CNA |
- macOS VendorApple Affected before macOS Catalina 10.15 Fixed in macOS Catalina 10.15 Patch available CNA
- tvOS VendorApple Affected before tvOS 13 Fixed in tvOS 13 Patch available CNA
- iTunes for Windows VendorApple Affected before iTunes for Windows 12.10.1 Fixed in iTunes for Windows 12.10.1 Patch available CNA
- iCloud for Windows VendorApple Affected before iCloud for Windows 10.7 Fixed in iCloud for Windows 10.7 Patch available CNA
- iCloud for Windows (Legacy) VendorApple Affected before iCloud for Windows 7.14 Fixed in iCloud for Windows 7.14 Patch available CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* | before 7.14; 10.0 to before 10.7 | Vulnerable | Apple |
| cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* | before 12.10.1 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.15 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 13 | Vulnerable | Apple |
- cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 7.14; 10.0 to before 10.7 Vulnerable ·Apple
- cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.10.1 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 13 Vulnerable ·Apple
Remediation
- Fix · CNA macOS (Apple) Fixed in macOS Catalina 10.15
- Fix · CNA tvOS (Apple) Fixed in tvOS 13
- Fix · CNA iTunes for Windows (Apple) Fixed in iTunes for Windows 12.10.1
- Fix · CNA iCloud for Windows (Apple) Fixed in iCloud for Windows 10.7
- Fix · CNA iCloud for Windows (Legacy) (Apple) Fixed in iCloud for Windows 7.14
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS macOS Catalina 10.15
12 records Highest priority Priority MEDIUM 2 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2019-06343 Out-of-bounds write in Apple macOSPriority MEDIUM 40
- TI-2019-06281 Out-of-bounds write in Apple macOSPriority LOW 37
- TI-2019-06335 An issue existed in the handling of links in encrypted PDFs.Priority LOW 35
- Release ·
Apple tvOS tvOS 13
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2019-06281 Out-of-bounds write in Apple macOSPriority LOW 37
- TI-2019-06271 Out-of-bounds write in Apple macOSPriority LOW 26
- TI-2019-06270 Improper authentication in Apple tvOSPriority LOW 25
Timeline
- 2026-10-02 Threatist record created from CVE-2019-8745
- 2026-10-03 Alias added: GHSA-p5qr-8vmj-x3w8
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-2019-8745 · CVE Program
- CVE-2019-8745 · NVD
- FIRST EPSS
- GHSA-p5qr-8vmj-x3w8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences