CVE-2017-2533

HIGH

macOS < 10.12.5 - Race Condition in DiskArbitration

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-2533. PoCs published by phoenhex.

AI-analyzed exploit summary This exploit leverages a race condition in macOS's diskarbitrationd to gain root privileges by manipulating symbolic links and mounting a disk. It creates a setuid binary to escalate privileges and executes arbitrary commands.

Description

An issue was discovered in certain Apple products. macOS before 10.12.5 is affected. The issue involves the "DiskArbitration" component. A race condition allows attackers to execute arbitrary code in a privileged context via a crafted app.

Exploits (1)

exploitdb WORKING POC VERIFIED
by phoenhex · bashlocalmacos
https://www.exploit-db.com/exploits/42146

This exploit leverages a race condition in macOS's diskarbitrationd to gain root privileges by manipulating symbolic links and mounting a disk. It creates a setuid binary to escalate privileges and executes arbitrary commands.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Racy
Target: macOS (specific version not specified, but CVE-2017-2533 affects macOS before 10.12.5)
Auth required
Prerequisites: system.volume.internal.mount authorization · access to /dev/disk0s1 · clang compiler
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1038484
Vendor Advisory x_refsource_confirm
https://support.apple.com/HT207797
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/42146/
Third Party Advisory x_refsource_misc
http://www.zerodayinitiative.com/advisories/ZDI-17-357/

Scores

CVSS v3 7.0
EPSS 0.0439
EPSS Percentile 90.1%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-362
Status published
Products (1)
apple/mac_os_x < 10.12.4
Published May 22, 2017
Tracked Since Feb 18, 2026