Apple Mac OS X 10.4 Local Privilege Escalation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in Apple Mac OS X 10.4. This vulnerability affects unknown code. This manipulation causes Local Privilege Escalation. This vulnerability appears as CVE-2006-4393. In addition, an exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Apple Mac OS X 10.4 (Operating System). Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a local privilege escalation vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in LoginWindow in Apple Mac OS X 10.4 through 10.4.7, when Fast User Switching is enabled, allows local users to gain access to Kerberos tickets of other users.

The bug was discovered 09/29/2006. The weakness was presented 10/03/2006 by Ragnar Sundblad (Patrick) with Matasano Security (Website). It is possible to read the advisory at docs.info.apple.com. This vulnerability is known as CVE-2006-4393 since 08/28/2006. The exploitation appears to be difficult. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available.

It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $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 (29290), Tenable (22476), SecurityFocus (BID 20271†), OSVDB (29271†) and Secunia (SA22187†). See VDB-31584, VDB-32567, VDB-32566 and VDB-32565 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Operating System

Vendor

Apple

Name

Mac OS X

Version

10.4

License

commercial

Support

end of life

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.4

VulDB Base Score: 4.9
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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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: 🔍

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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: 🔍

Threat Intelligenceinfo

Interest: 🔍
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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 🔍
10/02/2006 +2 days 🔍
10/03/2006 +1 days 🔍
10/03/2006 +0 days 🔍
10/03/2006 +0 days 🔍
11/14/2006 +42 days 🔍
03/12/2015 +3040 days 🔍
07/08/2019 +1579 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: docs.info.apple.com⛔
Researcher: Ragnar Sundblad (Patrick)
Organization: Matasano Security
Status: Confirmed

CVE: CVE-2006-4393 (🔍)
GCVE (CVE): GCVE-0-2006-4393
GCVE (VulDB): GCVE-100-32563
X-Force: 29290
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: 29271 - Apple Mac OS X LoginWindow Fast User Switching Kerberos Ticket Disclosure
SecurityTracker: 1016959
Vulnerability Center: 12809 - Apple Mac OS X LoginWindow Local Users May Access Other Users\x27 Kerberos Tickets, Low
Vupen: ADV-2006-3852

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

Entryinfo

Created: 03/12/2015 15:51
Updated: 07/08/2019 21:54
Changes: 03/12/2015 15:51 (78), 07/08/2019 21:54 (11)
Complete: 🔍
Cache ID: 216:8C8:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.