Apple Mac OS X up to 10.9.3 Kerberos improper authentication

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.
3.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apple Mac OS X up to 10.9.3. Affected is an unknown function of the component Kerberos. The manipulation results in improper authentication. This vulnerability is cataloged as CVE-2014-4444. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Apple Mac OS X up to 10.9.3 (Operating System). Affected is an unknown functionality of the component Kerberos. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality. CVE summarizes:

SecurityAgent in Apple OS X before 10.10 does not ensure that a Kerberos ticket is in the cache for the correct user, which allows local users to gain privileges in opportunistic circumstances by leveraging a Fast User Switching login.

The weakness was shared 10/16/2014 by Gary Simon, Ragnar Sundblad and Eugene Homyakov with Kaspersky Lab as HT6535 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability is traded as CVE-2014-4444. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The advisory points out:

A state management issue existed in SecurityAgent. While Fast User Switching, sometimes a Kerberos ticket for the switched-to user would be placed in the cache for the previous user.

The vulnerability scanner Nessus provides a plugin with the ID 78550 (Mac OS X < 10.10 Multiple Vulnerabilities (POODLE) (Shellshock)), 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 10.10 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. The advisory contains the following remark:

This issue was addressed through improved state management.

The vulnerability is also documented in the databases at X-Force (97623), Tenable (78550), SecurityFocus (BID 70640†), SecurityTracker (ID 1031063†) and Vulnerability Center (SBV-46976†). The entries VDB-10344, VDB-67593, VDB-67592 and VDB-67590 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Support

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.5

VulDB Base Score: 4.0
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 78550
Nessus Name: Mac OS X < 10.10 Multiple Vulnerabilities (POODLE) (Shellshock)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Mac OS X 10.10

Timelineinfo

06/20/2014 🔍
10/16/2014 +118 days 🔍
10/16/2014 +0 days 🔍
10/16/2014 +0 days 🔍
10/16/2014 +0 days 🔍
10/17/2014 +1 days 🔍
10/17/2014 +0 days 🔍
10/17/2014 +0 days 🔍
11/11/2014 +25 days 🔍
02/23/2022 +2661 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT6535
Researcher: Gary Simon, Ragnar Sundblad, Eugene Homyakov
Organization: Kaspersky Lab
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4444 (🔍)
GCVE (CVE): GCVE-0-2014-4444
GCVE (VulDB): GCVE-100-68034
X-Force: 97623 - Apple Mac OS X SecurityAgent security bypass, Low Risk
SecurityFocus: 70640 - Apple Mac OS X CVE-2014-4444 Local Security Bypass Vulnerability
SecurityTracker: 1031063 - Apple OS X Multiple Flaws Let Users Execute Arbitrary Code, Obtain Elevated Privileges, Bypass Security Restrictions, and Obtain Potentially Sensitive Information
Vulnerability Center: 46976 - Apple OS X Prior to 10.10 SecurityAgent Local Privilege Escalation via Fast User Switching Login, Medium

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

Entryinfo

Created: 10/17/2014 10:22
Updated: 02/23/2022 14:24
Changes: 10/17/2014 10:22 (79), 06/11/2017 05:23 (4), 02/23/2022 14:21 (3), 02/23/2022 14:24 (2)
Complete: 🔍
Cache ID: 216:550:103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!