Apple Mac OS X up to 10.10.4 improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple Mac OS X up to 10.10.4 and classified as problematic. Affected by this vulnerability is an unknown functionality. Executing a manipulation can lead to improper authentication. This vulnerability is tracked as CVE-2015-3775. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple Mac OS X up to 10.10.4 (Operating System) and classified as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Apple OS X before 10.10.5 does not properly implement authentication, which allows local users to obtain admin privileges via unspecified vectors.

The weakness was disclosed 08/11/2015 by Maxime Villard with Google Security Team as HT205031 as confirmed advisory (Website). The advisory is available at support.apple.com. This vulnerability was named CVE-2015-3775 since 05/07/2015. The attack can be initiated remotely. A single authentication is needed for exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed in Ruby. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 85408 (Mac OS X 10.10.x < 10.10.5 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123806 (Apple Mac OS X v10.10.5 and Security Update 2015-006 Not Installed (APPLE-SA-2015-08-13-2)).

Upgrading to version 10.10.5 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 Tenable (85408), SecurityFocus (BID 76340†), SecurityTracker (ID 1033276†) and Vulnerability Center (SBV-52113†). The entries VDB-11563, VDB-69011, VDB-77102 and VDB-77103 are pretty similar. 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: 8.8
VulDB Meta Temp Score: 7.9

VulDB Base Score: 8.8
VulDB Temp Score: 7.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 85408
Nessus Name: Mac OS X 10.10.x < 10.10.5 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-03 October-15
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Mac OS X 10.10.5

Timelineinfo

05/07/2015 🔍
08/11/2015 +96 days 🔍
08/11/2015 +0 days 🔍
08/13/2015 +2 days 🔍
08/13/2015 +0 days 🔍
08/14/2015 +1 days 🔍
08/14/2015 +0 days 🔍
08/16/2015 +2 days 🔍
08/17/2015 +1 days 🔍
02/02/2025 +3457 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT205031
Researcher: Maxime Villard
Organization: Google Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-3775 (🔍)
GCVE (CVE): GCVE-0-2015-3775
GCVE (VulDB): GCVE-100-77242
SecurityFocus: 76340 - Apple Mac OS X Prior to 10.10.5 Multiple Security Vulnerabilities
SecurityTracker: 1033276 - Apple OS X Multiple Flaws Let Remote Users Execute Arbitrary Code, Obtain Potentially Sensitive Information, and Deny Service and Let Local Users Gain Elevated Privileges
Vulnerability Center: 52113 - Apple MacOS X 10.10 through 10.10.4 Local Privilege Escalation due to Improper Authentication Implementation, High

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

Entryinfo

Created: 08/14/2015 14:33
Updated: 02/02/2025 21:14
Changes: 08/14/2015 14:33 (64), 10/15/2017 12:11 (19), 06/12/2022 09:49 (3), 02/02/2025 21:14 (16)
Complete: 🔍
Cache ID: 216:A03:103

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

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