Apple Mac OS X 10.4 Local Privilege Escalation

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple Mac OS X 10.4. This affects an unknown part. The manipulation results in Local Privilege Escalation. This vulnerability is reported as CVE-2006-4392. Moreover, an exploit is present. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Apple Mac OS X 10.4 (Operating System). Affected is an unknown code block. The manipulation with an unknown input leads to a local privilege escalation vulnerability. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The Mach kernel, as used in operating systems including (1) Mac OS X 10.4 through 10.4.7 and (2) OpenStep before 4.2, allows local users to gain privileges via a parent process that forces an exception in a setuid child and uses Mach exception ports to modify the child's thread context and task address space in a way that causes the child to call a parent-controlled function.

The bug was discovered 09/29/2006. The weakness was disclosed 10/03/2006 by Dino Dai Zovi (Patrick) with Matasano Security (Website). The advisory is available at docs.info.apple.com. This vulnerability is traded as CVE-2006-4392 since 08/28/2006. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 22476 (Mac OS X 10.4.x < 10.4.8 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115422 (Apple Mac OS X 10.4.8 and Security Update 2006-006 Not Installed (APPLE-SA-2006-09-29)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (29281), Exploit-DB (2464), Tenable (22476), SecurityFocus (BID 20271†) and OSVDB (29269†). The entries VDB-31584, VDB-32567, VDB-32566 and VDB-32565 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Local Privilege Escalation
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22476
Nessus Name: Mac OS X 10.4.x < 10.4.8 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/28/2006 🔍
09/29/2006 +32 days 🔍
09/29/2006 +0 days 🔍
09/29/2006 +0 days 🔍
09/29/2006 +0 days 🔍
09/29/2006 +0 days 🔍
09/29/2006 +0 days 🔍
09/29/2006 +0 days 🔍
10/03/2006 +3 days 🔍
10/03/2006 +0 days 🔍
10/03/2006 +0 days 🔍
11/14/2006 +42 days 🔍
03/12/2015 +3040 days 🔍
04/23/2026 +4060 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: docs.info.apple.com⛔
Researcher: Dino Dai Zovi (Patrick)
Organization: Matasano Security
Status: Confirmed

CVE: CVE-2006-4392 (🔍)
GCVE (CVE): GCVE-0-2006-4392
GCVE (VulDB): GCVE-100-32562
CERT: 🔍
X-Force: 29281
SecurityFocus: 20271 - Apple Mac OS X Pre 10.4.8 Multiple Security Vulnerabilities
Secunia: 22187 - Mac OS X Security Update Fixes Multiple Vulnerabilities, Highly Critical
OSVDB: 29269 - Apple Mac OS X Kernel Mach Exception Ports Local Privilege Escalation
SecurityTracker: 1016954
Vulnerability Center: 12807 - Mach Kernel in Mac OS X and OpenStep Local Privilege Escalation, High
Vupen: ADV-2006-3852

scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍

Entryinfo

Created: 03/12/2015 15:51
Updated: 04/23/2026 08:03
Changes: 03/12/2015 15:51 (78), 07/08/2019 21:39 (12), 01/13/2025 15:25 (17), 04/23/2026 08:03 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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