CVE-2017-13855

MEDIUM

Apple <11.2, <10.13.2, <4.2, <11.2 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-13855. PoCs published by Google Security Research.

AI-analyzed exploit summary This exploit triggers a type confusion vulnerability in macOS by calling getsockopt with SO_NECP_ATTRIBUTES on a UNIX domain socket, leading to out-of-bounds memory access and potential kernel memory disclosure.

Description

An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. tvOS before 11.2 is affected. watchOS before 4.2 is affected. The issue involves the "Kernel" component. It allows attackers to bypass intended memory-read restrictions via a crafted app that triggers type confusion.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Google Security Research · cdosmacos
https://www.exploit-db.com/exploits/43318

This exploit triggers a type confusion vulnerability in macOS by calling getsockopt with SO_NECP_ATTRIBUTES on a UNIX domain socket, leading to out-of-bounds memory access and potential kernel memory disclosure.

Classification
Working Poc 100%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: macOS 10.13 (17A405)
No auth needed
Prerequisites: macOS 10.13 (17A405) system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208331
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208327
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208325
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039966
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039953
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT208334
Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/43318/
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1039952
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/102100

Scores

CVSS v3 5.5
EPSS 0.0625
EPSS Percentile 91.1%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Details

CWE
CWE-704
Status published
Products (4)
apple/iphone_os < 11.2
apple/mac_os_x < 10.13.2
apple/tvos < 11.2
apple/watchos < 4.2
Published Dec 25, 2017
Tracked Since Feb 18, 2026