Apple Mac OS X up to 10.5.1 Block All Connections privileges management

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Apple Mac OS X up to 10.5.1. The affected element is an unknown function of the component Block All Connections Handler. Such manipulation leads to privileges management. This vulnerability is uniquely identified as CVE-2007-4703. The attack can be launched remotely. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Apple Mac OS X up to 10.5.1 (Operating System). It has been rated as critical. Affected by this issue is an unknown part of the component Block All Connections Handler. The manipulation with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, and integrity. CVE summarizes:

The Application Firewall in Apple Mac OS X 10.5 does not prevent a root process from accepting incoming connections, even when "Block incoming connections" has been set for its associated executable, which might allow remote attackers or local root processes to bypass intended access restrictions.

The weakness was disclosed 11/16/2007 by Jürgen Schmidt (Website). The advisory is available at docs.info.apple.com. This vulnerability is handled as CVE-2007-4703 since 09/05/2007. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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 28252 (Mac OS X 10.5.x < 10.5.1 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115663 (Apple Mac OS X 10.5.1 Not Installed (APPLE-SA-2007-11-15)).

Upgrading to version 10.5.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at docs.info.apple.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (38479), Tenable (28252), SecurityFocus (BID 26460†), OSVDB (40690†) and Secunia (SA27695†). The entries VDB-3483 and VDB-3481 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.4
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 28252
Nessus Name: Mac OS X 10.5.x < 10.5.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 102030
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
Patch: docs.info.apple.com

Timelineinfo

09/05/2007 🔍
11/15/2007 +71 days 🔍
11/15/2007 +0 days 🔍
11/15/2007 +0 days 🔍
11/15/2007 +0 days 🔍
11/16/2007 +1 days 🔍
11/16/2007 +0 days 🔍
11/16/2007 +0 days 🔍
11/16/2007 +0 days 🔍
11/18/2007 +1 days 🔍
12/03/2007 +15 days 🔍
03/16/2021 +4852 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: docs.info.apple.com⛔
Researcher: Jürgen Schmidt
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-4703 (🔍)
GCVE (CVE): GCVE-0-2007-4703
GCVE (VulDB): GCVE-100-3482
X-Force: 38479 - Apple Mac OS X Application Firewall root (UID 0) bypass, High Risk
SecurityFocus: 26460 - Apple Mac OS X Application Firewall Unauthorized Network Access Weakness
Secunia: 27695 - Apple Mac OS X Application Firewall Weaknesses and Security Issue, Less Critical
OSVDB: 40690 - Apple Mac OS X Application Firewall Root Process Connection Restriction Bypass
SecurityTracker: 1018958 - Mac OS X Application Firewall Bugs May Let Remote Users Access the Services on the Target System
Vulnerability Center: 16830 - Apple Mac OS X Application Firewall Allows Remote Attackers to Bypass Intended Access Restrictions, Critical
Vupen: ADV-2007-3897

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

Entryinfo

Created: 12/03/2007 13:49
Updated: 03/16/2021 08:58
Changes: 12/03/2007 13:49 (91), 06/07/2017 16:04 (7), 03/16/2021 08:58 (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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