Apple Mac OS X 10.9.5/10.10/10.10.1/10.10.2/10.10.3 XPC Entitlement Checker access control
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.3 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in Apple Mac OS X 10.9.5/10.10/10.10.1/10.10.2/10.10.3. Affected is an unknown function of the component XPC Entitlement Checker. Performing a manipulation results in access control. This vulnerability is known as CVE-2015-3671. No exploit is available. It is suggested to upgrade the affected component.
Details
A vulnerability 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 affects an unknown code of the component XPC Entitlement Checker. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
Admin Framework in Apple OS X before 10.10.4 does not properly verify XPC entitlements, which allows local users to bypass authentication and obtain admin privileges via unspecified vectors.
The weakness was published 06/30/2015 by Emil Kvarnhammar with Zero Day Initiative as HT204942 as confirmed advisory (Website). The advisory is shared at support.apple.com. The public release has been coordinated with Apple. This vulnerability is uniquely identified as CVE-2015-3671 since 05/07/2015. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.
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 (104172), Tenable (84488), SecurityFocus (BID 75493†), SecurityTracker (ID 1032760†) and Vulnerability Center (SBV-50795†). Similar entries are available at VDB-75568, VDB-76186, VDB-76187 and VDB-76188. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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: 7.3
VulDB Base Score: 8.4
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Access controlCWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
Availability: 🔍
Status: Unproven
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: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure 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 🔍
05/22/2022 🔍
Sources
Vendor: apple.comAdvisory: HT204942
Researcher: Emil Kvarnhammar
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍
CVE: CVE-2015-3671 (🔍)
GCVE (CVE): GCVE-0-2015-3671
GCVE (VulDB): GCVE-100-76185
X-Force: 104172 - Apple Mac OS X XPC 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: 50795 - Apple MacOS X 10.9.5 and 10.10 through 10.10.3 Local Privilege Escalation in the Admin Framework - CVE-2015-3671, High
scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍
Entry
Created: 07/02/2015 10:31Updated: 05/22/2022 14:52
Changes: 07/02/2015 10:31 (76), 07/02/2017 12:08 (9), 05/22/2022 14:52 (3)
Complete: 🔍
Cache ID: 216:D39:103
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