Use after free in Apple tvOS
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-416 and the CVSS impact.
Summary
A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. Processing a maliciously crafted 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 | tvOS | before 14.0 | 14.0 | Patch available | CNA |
| Apple | watchOS | before 7.0 | 7.0 | Patch available | CNA |
| Apple | macOS | before 10.15 | 10.15 | Patch available | CNA |
| Apple | macOS | before 14.0 | 14.0 | Patch available | CNA |
| Apple | macOS | before 11.5 | 11.5 | Patch available | CNA |
| Apple | macOS | before 12.10 | 12.10 | Patch available | CNA |
- tvOS VendorApple Affected before 14.0 Fixed in 14.0 Patch available CNA
- watchOS VendorApple Affected before 7.0 Fixed in 7.0 Patch available CNA
- macOS VendorApple Affected before 10.15 Fixed in 10.15 Patch available CNA
- macOS VendorApple Affected before 14.0 Fixed in 14.0 Patch available CNA
- macOS VendorApple Affected before 11.5 Fixed in 11.5 Patch available CNA
- macOS VendorApple Affected before 12.10 Fixed in 12.10 Patch available CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* | before 11.5 | Vulnerable | Apple |
| cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* | before 12.10.9 | Vulnerable | Apple |
| cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* | before 14.0 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 14.0 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.15.7 | Vulnerable | Apple |
| cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* | before 14.0 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 7.0 | Vulnerable | Apple |
- cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions before 11.5 Vulnerable ·Apple
- cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.10.9 Vulnerable ·Apple
- cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.15.7 Vulnerable ·Apple
- cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* Versions before 14.0 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 7.0 Vulnerable ·Apple
Remediation
- Fix · CNA tvOS (Apple) Fixed in 14.0
- Fix · CNA watchOS (Apple) Fixed in 7.0
- Fix · CNA macOS (Apple) Fixed in 10.15
- Fix · CNA macOS (Apple) Fixed in 14.0
- Fix · CNA macOS (Apple) Fixed in 11.5
- Fix · CNA macOS (Apple) Fixed in 12.10
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple watchOS 7.0
13 records Highest priority Priority MEDIUM 2 MEDIUM, 11 LOW
Other records, highest priority first
- TI-2020-08020 Use after free in Apple tvOSPriority MEDIUM 42
- TI-2020-08023 Use after free in Apple tvOSPriority MEDIUM 41
- TI-2020-08061 Apple tvOS: A remote attacker may be able to cause a denial of servicePriority LOW 38
- Release ·
Apple tvOS 14.0
12 records Highest priority Priority MEDIUM 2 MEDIUM, 10 LOW
Other records, highest priority first
- TI-2020-08020 Use after free in Apple tvOSPriority MEDIUM 42
- TI-2020-08023 Use after free in Apple tvOSPriority MEDIUM 41
- TI-2020-08061 Apple tvOS: A remote attacker may be able to cause a denial of servicePriority LOW 38
Show 4 more groups
- Release ·
Apple macOS 10.15
8 records Highest priority Priority CRITICAL 2 CRITICAL, 1 HIGH, 5 LOW
Other records, highest priority first
- TI-2020-16987 Type confusion in Apple watchOSPriority CRITICAL 93
- TI-2020-16985 Out-of-bounds write in Apple watchOSPriority CRITICAL 93
- TI-2020-17004 Apple watchOS: A malicious application may be able to disclose kernel memoryPriority HIGH 82
- Release ·
Apple macOS 11.5
7 records Highest priority Priority MEDIUM 1 MEDIUM, 6 LOW
Other records, highest priority first
- TI-2020-16968 Integer overflow in Apple watchOSPriority MEDIUM 40
- TI-2020-16973 Use after free in Apple watchOSPriority LOW 38
- TI-2020-16969 Out-of-bounds write in Apple watchOSPriority LOW 38
- Release ·
Apple macOS 14.0
5 records Highest priority Priority LOW 5 LOW
Other records, highest priority first
- TI-2020-16974 Use after free in Apple watchOSPriority LOW 37
- TI-2020-08026 Buffer overflow in Apple tvOSPriority LOW 37
- TI-2020-08022 Use after free in Apple macOSPriority LOW 37
- Release ·
Apple macOS 12.10
3 records Highest priority Priority MEDIUM 1 MEDIUM, 2 LOW
Other records, highest priority first
- TI-2020-08068 Out-of-bounds write in Apple macOSPriority MEDIUM 45
- TI-2020-07925 Information disclosure in Apple tvOSPriority LOW 33
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9981
- 2026-10-03 Alias added: GHSA-6c7m-3c93-428j
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-2020-9981 · CVE Program
- CVE-2020-9981 · NVD
- FIRST EPSS
- GHSA-6c7m-3c93-428j · 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