TI-2018-03202 Aliases CVE-2018-4249 GHSA-h6qw-35gq-32r3

Integer overflow in Apple Kernel

LOW 38CWE-190Published 2018-06-08 · Updated 2024-08-05

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: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-190 and the CVSS impact.

Summary

An issue was discovered in certain Apple products. iOS before 11.4 is affected. macOS before 10.13.5 is affected. tvOS before 11.4 is affected. watchOS before 4.3.1 is affected. The issue involves pktmnglr_ipfilter_input in com.apple.packet-mangler in the "Kernel" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (integer overflow and stack-based buffer overflow) via a crafted app.

Why it matters now

EPSS 0.02111 81st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

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
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPE	Versions	Role	Vendor
cpe:2.3:a:apple:apple_tv::::::::	before 11.4	Vulnerable	Apple
cpe:2.3:o:apple:iphone_os::::::::	before 11.4	Vulnerable	Apple
cpe:2.3:o:apple:mac_os_x::::::::	before 10.13.5	Vulnerable	Apple
cpe:2.3:o:apple:watchos::::::::	before 4.3.1	Vulnerable	Apple

cpe:2.3:a:apple:apple_tv:*:*:*:*:*:*:*:* Versions before 11.4 Vulnerable ·Apple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 11.4 Vulnerable ·Apple
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* Versions before 10.13.5 Vulnerable ·Apple
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* Versions before 4.3.1 Vulnerable ·Apple

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-4249
2026-10-03 Alias added: GHSA-h6qw-35gq-32r3

References

Exploit 1

https://lgtm.com/blog/apple_xnu_packet_mangler_CVE-2017-13904

Advisory 4

Other 1

http://packetstormsecurity.com/files/172828/Apple-packet-mangler-Remote-Code-Execution.html

TI-2018-03197 Memory corruption in Apple Kernel CVSS 3.0HIGH 7.8
TI-2018-03047 Memory corruption in Apple WebKit CVSS 3.0HIGH 8.8
TI-2017-01643 Memory corruption in Apple WebKit CVSS 3.0HIGH 8.8
TI-2018-03248 In macOS High Sierra before 10.13.3, Security Update 2018-001 Sierra, and Security Update… CVSS 3.0CRITICAL 9.8
TI-2018-03195 Memory corruption in Apple Kernel CVSS 3.0HIGH 7.8
TI-2018-03144 In iOS before 11.2.5, macOS High Sierra before 10.13.3, Security Update 2018-001 Sierra… CVSS 3.0CRITICAL 9.8

See all 35 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences