Apple macOS up to 10.11 File Bookmark denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.2$0-$5k0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Apple macOS up to 10.11. Impacted is an unknown function of the component File Bookmark. The manipulation leads to denial of service. This vulnerability is referenced as CVE-2016-4717. The attack can only be performed from a local environment. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apple macOS up to 10.11 (Operating System) and classified as problematic. This issue affects an unknown code of the component File Bookmark. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. The summary by CVE is:

The File Bookmark component in Apple OS X before 10.12 mishandles scoped-bookmark file descriptors, which allows attackers to cause a denial of service via a crafted app.

The weakness was published 09/20/2016 by Meder Kydyraliev (Shrek_wzw) with Square as HT207170 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. The identification of this vulnerability is CVE-2016-4717 since 05/11/2016. The exploitation is known to be easy. Attacking locally is a requirement. A simple authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The advisory points out:

A resource management issue existed in the handling of scoped bookmarks. This issue was addressed through improved file descriptor handling.

The vulnerability scanner Nessus provides a plugin with the ID 93685 (macOS < 10.12 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 and running in the context c.

Upgrading to version 10.12 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 (93685) and SecurityFocus (BID 93055†). Similar entries are available at VDB-89145, VDB-91991, VDB-92000 and VDB-92001. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.3
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93685
Nessus Name: macOS < 10.12 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 64377
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 September-2016
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.12

Timelineinfo

05/11/2016 🔍
09/20/2016 +132 days 🔍
09/20/2016 +0 days 🔍
09/20/2016 +0 days 🔍
09/23/2016 +3 days 🔍
09/25/2016 +2 days 🔍
09/26/2016 +1 days 🔍
09/20/2022 +2185 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207170
Researcher: Meder Kydyraliev (Shrek_wzw)
Organization: Square
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-4717 (🔍)
GCVE (CVE): GCVE-0-2016-4717
GCVE (VulDB): GCVE-100-92075
SecurityFocus: 93055 - Apple Mac OS X APPLE-SA-2016-09-20 Multiple Security Vulnerabilities
SecurityTracker: 1036858

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 09/26/2016 11:33
Updated: 09/20/2022 19:57
Changes: 09/26/2016 11:33 (70), 04/25/2019 18:15 (14), 09/20/2022 19:57 (2)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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