VDB-78339 · CVE-2015-5913 · BID 76910

Apple Mac OS X up to 10.10 Heimdal access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Apple Mac OS X up to 10.10. This affects an unknown function of the component Heimdal. Performing a manipulation results in access control. This vulnerability is cataloged as CVE-2015-5913. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple Mac OS X up to 10.10 (Operating System). This affects some unknown functionality of the component Heimdal. 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:

Heimdal, as used in Apple OS X before 10.11, allows remote attackers to conduct replay attacks against the SMB server via packet data that represents a Kerberos authenticated request.

The weakness was shared 10/09/2015 (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2015-5913 since 08/06/2015. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 370192 (Apple Mac OS X v10.11 Not Installed (APPLE-SA-2015-09-30-3)).

Upgrading to version 10.11 eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 76910†) and Vulnerability Center (SBV-53143†). The entries VDB-67455, VDB-78301, VDB-78310 and VDB-78311 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Operating System

Vendor

Apple

Name

Mac OS X

Version

License

commercial

Support

end of life

Website

Vendor: https://www.apple.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-02 October-15
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mac OS X 10.11

Timelineinfo

08/06/2015 🔍
09/30/2015 +55 days 🔍
10/01/2015 +1 days 🔍
10/09/2015 +8 days 🔍
10/09/2015 +0 days 🔍
10/12/2015 +3 days 🔍
11/21/2024 +3328 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5913 (🔍)
GCVE (CVE): GCVE-0-2015-5913
GCVE (VulDB): GCVE-100-78339
SecurityFocus: 76910
SecurityTracker: 1033703
Vulnerability Center: 53143 - Apple MacOS X before 10.11 Remote Information Disclosure in Kerberos Credentials - CVE-2015-5913, Medium

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

Entryinfo

Created: 10/12/2015 10:32
Updated: 11/21/2024 13:33
Changes: 10/12/2015 10:32 (57), 02/02/2018 09:20 (6), 06/20/2022 14:29 (3), 11/21/2024 13:33 (18)
Complete: 🔍
Cache ID: 216::103

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