Apple Mac OS X 10.9.5/10.10/10.10.1/10.10.2/10.10.3 Directory Utility access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.0 | $0-$5k | 0.00 |
Summary
A vulnerability classified as problematic has been found in Apple Mac OS X 10.9.5/10.10/10.10.1/10.10.2/10.10.3. Affected by this issue is some unknown functionality of the component Directory Utility. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2015-3673. Moreover, an exploit is present. It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, has been found in Apple Mac OS X 10.9.5/10.10/10.10.1/10.10.2/10.10.3 (Operating System). This issue affects some unknown processing of the component Directory Utility. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Admin Framework in Apple OS X before 10.10.4 does not properly restrict the location of writeconfig clients, which allows local users to obtain root privileges by moving and then modifying Directory Utility.
The weakness was disclosed 06/30/2015 by Emil Kvarnhammar with Zero Day Initiative as HT204942 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The public release has been coordinated in cooperation with Apple. The identification of this vulnerability is CVE-2015-3673 since 05/07/2015. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.
A public exploit has been developed by Metasploit and been published 3 months after the advisory. The exploit is available at exploit-db.com. It is declared as highly functional. We expect the 0-day to have been worth approximately $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 84488 (Mac OS X 10.10.x < 10.10.4 Multiple Vulnerabilities (GHOST) (Logjam)), 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 123680 (Apple Mac OS X v10.10.4 and Security Update 2015-005 Not Installed (APPLE-SA-2015-06-30-2)).
Upgrading to version 10.10.4 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 X-Force (104174), Exploit-DB (38036), Tenable (84488), SecurityFocus (BID 75493†) and SecurityTracker (ID 1032760†). The entries VDB-75568, VDB-76185, VDB-76186 and VDB-76188 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Vendor
Name
Version
License
Support
Website
- Vendor: https://www.apple.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.4VulDB Meta Temp Score: 8.0
VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Access: Public
Status: Highly functional
Author: Metasploit
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 84488
Nessus Name: Mac OS X 10.10.x < 10.10.4 Multiple Vulnerabilities (GHOST) (Logjam)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 July15
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
MetaSploit ID: rootpipe_entitlements.rb
MetaSploit Name: Apple OS X Entitlements Rootpipe Privilege Escalation
MetaSploit File: 🔍
Exploit-DB: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Exploit Delay Time: 🔍
Upgrade: Mac OS X 10.10.4
Timeline
05/07/2015 🔍06/30/2015 🔍
06/30/2015 🔍
06/30/2015 🔍
06/30/2015 🔍
07/01/2015 🔍
07/01/2015 🔍
07/02/2015 🔍
07/02/2015 🔍
08/31/2015 🔍
08/31/2015 🔍
06/24/2024 🔍
Sources
Vendor: apple.comAdvisory: HT204942
Researcher: Emil Kvarnhammar
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2015-3673 (🔍)
GCVE (CVE): GCVE-0-2015-3673
GCVE (VulDB): GCVE-100-76187
X-Force: 104174 - Apple Mac OS X Directory Utility privilege escalation
SecurityFocus: 75493 - Apple Mac OS X Prior to 10.10.4 Multiple Security Vulnerabilities
SecurityTracker: 1032760 - Apple OS X Multiple Flaws Let Remote Users Execute Arbitrary Code and Local Users Gain Elevated Privileges
Vulnerability Center: 50802 - Apple MacOS X 10.10 through 10.10.3 Local Code Execution due to a flaw in the Directory Utility - CVE-2015-3673, High
scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍
Entry
Created: 07/02/2015 10:32Updated: 06/24/2024 09:15
Changes: 07/02/2015 10:32 (80), 07/02/2017 12:08 (16), 05/22/2022 14:55 (3), 06/24/2024 09:15 (20)
Complete: 🔍
Cache ID: 216:128:103
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