Apple Mac OS X up to 10.9.3 LoginWindow race condition

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Apple Mac OS X up to 10.9.3. This affects an unknown part of the component LoginWindow. Executing a manipulation can lead to race condition. This vulnerability is handled as CVE-2014-4438. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Apple Mac OS X up to 10.9.3 (Operating System) and classified as problematic. This vulnerability affects an unknown function of the component LoginWindow. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Race condition in LoginWindow in Apple OS X before 10.10 allows physically proximate attackers to obtain access by leveraging an unattended workstation on which screen locking had been attempted.

The weakness was released 10/16/2014 by Harry Sintonen, Alessandro Lobina and Patryk Szlagowski as HT6535 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2014-4438 since 06/20/2014. Local access is required to approach this attack. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The advisory points out:

A race condition existed in LoginWindow, which would sometimes prevent the screen from locking.

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:

The issue was addressed by changing the order of operations.

The vulnerability is also documented in the databases at X-Force (97630), Tenable (78550), SecurityFocus (BID 70622†), SecurityTracker (ID 1031063†) and Vulnerability Center (SBV-46716†). Entries connected to this vulnerability are available at VDB-10344, VDB-67593, VDB-67592 and VDB-67590. 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: 5.9
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 🔍
10/17/2014 +1 days 🔍
10/17/2014 +0 days 🔍
10/17/2014 +0 days 🔍
10/17/2014 +0 days 🔍
10/19/2014 +2 days 🔍
02/23/2022 +2684 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT6535
Researcher: Harry Sintonen, Alessandro Lobina, Patryk Szlagowski
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4438 (🔍)
GCVE (CVE): GCVE-0-2014-4438
GCVE (VulDB): GCVE-100-68026
X-Force: 97630
SecurityFocus: 70622 - Apple Mac OS X CVE-2014-4438 Race Condition Security 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: 46716 - Apple OS X <10.10 Local Security Bypass via an Unattended Workstation - CVE-2014-4438, Medium

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

Entryinfo

Created: 10/17/2014 10:22
Updated: 02/23/2022 13:41
Changes: 10/17/2014 10:22 (75), 06/09/2017 07:29 (5), 02/23/2022 13:41 (4)
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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