CVE-2013-6799

Apple Mac OS X 10.9 - Denial of Service via Hard Link to Directory

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2013-6799. PoCs published by Maksymilian Arciemowicz.

AI-analyzed exploit summary This exploit demonstrates a vulnerability in MacOSX/XNU HFS+ file system (CVE-2013-6799) where hard links to directories can be created, leading to kernel crashes or denial-of-service conditions when combined with commands like 'ls' or 'find'. The code includes a proof-of-concept to create a large number of hard links and trigger the crash.

Description

Apple Mac OS X 10.9 allows local users to cause a denial of service (memory corruption or panic) by creating a hard link to a directory. NOTE: this vulnerability exists because of an incomplete fix for CVE-2010-0105.

Exploits (1)

exploitdb WORKING POC
by Maksymilian Arciemowicz · cdososx
https://www.exploit-db.com/exploits/32754

This exploit demonstrates a vulnerability in MacOSX/XNU HFS+ file system (CVE-2013-6799) where hard links to directories can be created, leading to kernel crashes or denial-of-service conditions when combined with commands like 'ls' or 'find'. The code includes a proof-of-concept to create a large number of hard links and trigger the crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: MacOSX/XNU HFS+ file system (versions >= 10.5)
No auth needed
Prerequisites: Access to a vulnerable MacOSX system with HFS+ file system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2013-11/0033.html
Exploit mailing-list x_refsource_bugtraq
http://archives.neohapsis.com/archives/bugtraq/2013-11/0051.html

Scores

EPSS 0.0060
EPSS Percentile 70.1%

Details

CWE
CWE-119
Status published
Products (1)
apple/mac_os_x 10.9
Published Nov 18, 2013
Tracked Since Feb 18, 2026