Apple macOS up to 10.12.3 Bluetooth use after free

CVSS Meta Temp Score
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CTI Interest Score
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7.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Apple macOS up to 10.12.3. This affects an unknown part of the component Bluetooth. This manipulation causes use after free. This vulnerability is tracked as CVE-2017-2449. The attack is restricted to local execution. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Apple macOS up to 10.12.3 (Operating System) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Bluetooth. The manipulation with an unknown input leads to a use after free vulnerability. The CWE definition for the vulnerability is CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 03/27/2017. The weakness was disclosed 03/27/2017 by Brandon Azad with Apple as HT207615 as confirmed advisory (Website). The advisory is shared at support.apple.com. This vulnerability is known as CVE-2017-2449 since 12/01/2016. An attack has to be approached locally. The successful exploitation needs a single authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. The advisory points out:

A use after free issue was addressed through improved memory management.

The vulnerability scanner Nessus provides a plugin with the ID 99134 (macOS 10.12.x < 10.12.4 Multiple Vulnerabilities (httpoxy)), 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370348 (Apple Mac OS X Security Update Sierra 10.12.4, El Capitan 2017-001 and Yosemite 2017-001 Not Installed (APPLE-SA-2017-03-27-3)).

Upgrading to version 10.12.4 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 Tenable (99134) and SecurityFocus (BID 97140†). The entries VDB-89669, VDB-89849, VDB-93752 and VDB-93958 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.8

VulDB Base Score: 8.2
VulDB Temp Score: 7.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99134
Nessus Name: macOS 10.12.x < 10.12.4 Multiple Vulnerabilities (httpoxy)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207615
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: macOS 10.12.4

Timelineinfo

12/01/2016 🔍
03/27/2017 +116 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
03/27/2017 +0 days 🔍
03/28/2017 +1 days 🔍
03/31/2017 +3 days 🔍
04/01/2017 +1 days 🔍
11/15/2022 +2054 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT207615
Researcher: Brandon Azad
Organization: Apple
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-2449 (🔍)
GCVE (CVE): GCVE-0-2017-2449
GCVE (VulDB): GCVE-100-98617
SecurityFocus: 97140 - Apple macOS APPLE-SA-2017-03-27-3 Multiple Security Vulnerabilities
OSVDB: - CVE-2017-2449 - Apple - macOS - Use-After-Free Issue
SecurityTracker: 1038138

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

Entryinfo

Created: 03/28/2017 11:05
Updated: 11/15/2022 17:55
Changes: 03/28/2017 11:05 (78), 08/20/2020 16:42 (8), 11/15/2022 17:47 (4), 11/15/2022 17:55 (1)
Complete: 🔍
Cache ID: 216:393:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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