NULL pointer dereference in Apple iOS
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
A null pointer dereference was addressed with improved validation. This issue is fixed in macOS High Sierra 10.13, iCloud for Windows 7.0, watchOS 4, iOS 11, iTunes 12.7 for Windows. Processing maliciously crafted XML may lead to an unexpected application termination or 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 11 | 11 | Patch available | CNA |
| Apple | watchOS | before 4 | 4 | Patch available | CNA |
| Apple | iTunes for Windows | before 12.7 | 12.7 | Patch available | CNA |
| Apple | iCloud for Windows | before 7.0 | 7.0 | Patch available | CNA |
| Apple | macOS | before 10.13 | 10.13 | Patch available | CNA |
- iOS VendorApple Affected before 11 Fixed in 11 Patch available CNA
- watchOS VendorApple Affected before 4 Fixed in 4 Patch available CNA
- iTunes for Windows VendorApple Affected before 12.7 Fixed in 12.7 Patch available CNA
- iCloud for Windows VendorApple Affected before 7.0 Fixed in 7.0 Patch available CNA
- macOS VendorApple Affected before 10.13 Fixed in 10.13 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* | up to 7.0 | Vulnerable | Apple |
| cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* | before 12.7 | Vulnerable | Apple |
| cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* | before 11 | Vulnerable | Apple |
| cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | before 10.13 | Vulnerable | Apple |
| cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* | before 4 | Vulnerable | Apple |
- cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:* Versions up to 7.0 Vulnerable ·Apple
- cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:* Versions before 12.7 Vulnerable ·Apple
- cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 11 Vulnerable ·Apple
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.13 Vulnerable ·Apple
- cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 4 Vulnerable ·Apple
Remediation
- Fix · CNA iOS (Apple) Fixed in 11
- Fix · CNA watchOS (Apple) Fixed in 4
- Fix · CNA iTunes for Windows (Apple) Fixed in 12.7
- Fix · CNA iCloud for Windows (Apple) Fixed in 7.0
- Fix · CNA macOS (Apple) Fixed in 10.13
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 10.13
10 records Highest priority Priority LOW 10 LOW
Other records, highest priority first
- TI-2017-10158 Race condition in Apple watchOSPriority LOW 37
- TI-2017-10159 Memory corruption in Apple macOSPriority LOW 35
- TI-2017-10155 An issue existed in the handling of Contact sharing.Priority LOW 35
Timeline
- 2026-10-02 Threatist record created from CVE-2018-4302
- 2026-10-03 Alias added: GHSA-2573-rpmq-pq99
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-2018-4302 · CVE Program
- CVE-2018-4302 · NVD
- FIRST EPSS
- GHSA-2573-rpmq-pq99 · 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