Apple Mac OS X up to 10.10.4 Install Framework Legacy access control

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple Mac OS X up to 10.10.4. Affected is an unknown function of the component Install Framework Legacy. This manipulation causes access control. This vulnerability is tracked as CVE-2015-5784. Moreover, an exploit is present. It is advisable 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. Affected by this vulnerability is an unknown functionality of the component Install Framework Legacy. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

runner in Install.framework in the Install Framework Legacy component in Apple OS X before 10.10.5 does not properly drop privileges, which allows attackers to execute arbitrary code in a privileged context via a crafted app.

The weakness was disclosed 08/11/2015 by Maxime Villard with Google Security Team as HT205031 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2015-5784 since 08/06/2015. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed by Google Security Research in Ruby and been published 2 months after the advisory. It is possible to download the exploit at securityfocus.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k. 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 Exploit-DB (38137), SecurityFocus (BID 76340†), SecurityTracker (ID 1033276†) and Vulnerability Center (SBV-52083†). The entries VDB-77174, VDB-77175, VDB-77176 and VDB-77177 are pretty similar. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Google Security Research
Programming Language: 🔍
Download: 🔍

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EPSS Percentile: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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0-Day Time: 🔍
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Exploit Delay Time: 🔍

Upgrade: Mac OS X 10.10.5

Timelineinfo

08/06/2015 🔍
08/11/2015 +5 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 🔍
09/10/2015 +24 days 🔍
09/10/2015 +0 days 🔍
02/03/2025 +3434 days 🔍

Sourcesinfo

Vendor: apple.com

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

CVE: CVE-2015-5784 (🔍)
GCVE (CVE): GCVE-0-2015-5784
GCVE (VulDB): GCVE-100-77197
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: 52083 - Apple MacOS X 10.10 through 10.10.4 Remote Code Execution in Imstall.Framework, Critical

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

Entryinfo

Created: 08/14/2015 14:33
Updated: 02/03/2025 07:54
Changes: 08/14/2015 14:33 (62), 10/15/2017 11:37 (23), 01/02/2025 01:08 (16), 02/03/2025 07:54 (2)
Complete: 🔍
Cache ID: 216:F86:103

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