Apple Mac OS X Server prior 3.0 Server App missing encryption

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CVSS Meta Temp Score
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6.2$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Apple Mac OS X Server (Operating System). This issue affects an unknown function of the component Server App. The manipulation with an unknown input leads to a weak encryption vulnerability. Using CWE to declare the problem leads to CWE-311. Impacted is confidentiality, and integrity.

The weakness was published 10/22/2013 by Arek Dreyer with Dreyer Network Consultants, Inc. as APPLE-SA-2013-10-22-5 as confirmed mailinglist post (Apple Security Mailinglist). It is possible to read the advisory at lists.apple.com. The mailinglist post contains:

A logic issue existed whereby the RADIUS service could choose an incorrect certificate from the list of configured certificates. The issue was addressed by using the same certificate as other services.
The identification of this vulnerability is CVE-2013-5143 since 08/15/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 70590 (Mac OS X : OS X Server < 3.0 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.

Upgrading to version 3.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 63285), X-Force (88340), Vulnerability Center (SBV-43394) and Tenable (70590). Similar entries are available at 10949, 10950, 10954 and 10953.

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VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

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Exploitinginfoedit

Class: Weak encryption
CWE: CWE-311
ATT&CK: T1600

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍

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Nessus ID: 70590
Nessus Name: Mac OS X : OS X Server < 3.0 Multiple Vulnerabilities
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Nessus Family: 🔍

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Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Upgrade: Mac OS X Server 3.0

Timelineinfoedit

08/15/2013 🔍
10/22/2013 +68 days 🔍
10/22/2013 +0 days 🔍
10/22/2013 +0 days 🔍
10/22/2013 +0 days 🔍
10/23/2013 +1 days 🔍
10/24/2013 +1 days 🔍
02/25/2014 +124 days 🔍
05/22/2017 +1182 days 🔍

Sourcesinfoedit

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

Advisory: APPLE-SA-2013-10-22-5
Researcher: Arek Dreyer
Organization: Dreyer Network Consultants, Inc.
Status: Confirmed

CVE: CVE-2013-5143 (🔍)
SecurityFocus: 63285 - Apple Mac OS X Server CVE-2013-5143 Certificate Validation Security Bypass Vulnerability
X-Force: 88340
Vulnerability Center: 43394 - Apple OS X Server Before 10.9 Remote Session Hijacking Vulnerability due to Improper Certificate Validation (CVE-2013-5143), Medium

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

Entryinfoedit

Created: 10/23/2013 05:41 PM
Updated: 05/22/2017 09:00 AM
Changes: (2) source_securityfocus_date source_securityfocus_class
Complete: 🔍

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