Apple Mac OS X up to 10.5.0 NFS Server resource management

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.
5.6	$0-$5k	0.00

A vulnerability classified as problematic was found in Apple Mac OS X up to 10.5.0 (Operating System). Affected by this vulnerability is an unknown code block of the component NFS Server. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

The kernel in Apple Mac OS X before 10.5.6 allows local users to cause a denial of service (infinite loop and system halt) by running an application that is dynamically linked to libraries on an NFS server, related to occurrence of an exception in this application.

The bug was discovered 12/15/2008. The weakness was published 12/16/2008 (Website). The advisory is shared at us-cert.gov. This vulnerability is known as CVE-2008-4219 since 09/24/2008. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 35111 (Mac OS X 10.5.x < 10.5.6 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 116081 (Apple Mac OS X 10.5.6 and Security Update 2008-008 Not Installed (APPLE-SA-2008-12-15)).

Upgrading to version 10.5.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (47337) and Tenable (35111). Similar entries are available at 41728, 43202, 45513 and 45512.

Productinfo

Type

Operating System

Vendor

Apple

Name

Mac OS X

Version

License

commercial

Support

end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.6

VulDB Base Score: 6.2
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 35111
Nessus Name: Mac OS X 10.5.x < 10.5.6 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 102034
OpenVAS Name: get_kb_item(ssh/login/osx_name
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mac OS X 10.5.1

Timelineinfo

09/24/2008 🔍
12/15/2008 +82 days 🔍
12/15/2008 +0 days 🔍
12/15/2008 +0 days 🔍
12/15/2008 +0 days 🔍
12/16/2008 +1 days 🔍
12/16/2008 +0 days 🔍
12/16/2008 +0 days 🔍
12/16/2008 +0 days 🔍
12/16/2008 +0 days 🔍
12/22/2008 +6 days 🔍
03/17/2015 +2276 days 🔍
08/22/2019 +1619 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: us-cert.gov
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-4219 (🔍)
X-Force: 47337
SecurityTracker: 1021404
Vulnerability Center: 20294 - Apple Mac OS X before 10.5.6 Kernel Local Denial of Service Related to NFS Mounted Executable, Medium
SecurityFocus: 32873 - Apple Mac OS X NFS Mounted Executable Exception Remote Denial of Service Vulnerability
Secunia: 33179 - Apple Mac OS X Security Update Fixes Multiple Vulnerabilities, Highly Critical
OSVDB: 50983 - Apple - Mac OS X - NFS Mounted Executable Exception Remote Denial of Service Issue
Vupen: ADV-2008-3444

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

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/22/2019 16:40
Changes: 03/17/2015 16:11 (84), 08/22/2019 16:40 (4)
Complete: 🔍
Cache ID: 18:171:103