Broadcom BCM43xx Broadpwn access control

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Broadcom BCM43xx. Affected is an unknown function. This manipulation causes access control (Broadpwn). This vulnerability is tracked as CVE-2017-9417. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Broadcom BCM43xx (version now known) and classified as critical. Affected by this vulnerability is some unknown processing. The manipulation with an unknown input leads to a access control vulnerability (Broadpwn). The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Broadcom BCM43xx Wi-Fi chips allow remote attackers to execute arbitrary code via unspecified vectors, aka the "Broadpwn" issue.

The bug was discovered 06/04/2017. The weakness was disclosed 06/04/2017 by Nitay Artenstein with Exodus Intelligence (Website). It is possible to read the advisory at blackhat.com. This vulnerability is known as CVE-2017-9417. The exploitation appears to be easy. 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. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 101957 (macOS and Mac OS X Multiple Vulnerabilities (Security Update 2017-003)), which helps to determine the existence of the flaw in a target environment. It is running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176821 (Debian Security Update for firmware-nonfree (DLA 1573-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (44268), Tenable (101957) and SecurityFocus (BID 99482†). The entries VDB-80765, VDB-81483, VDB-81521 and VDB-97206 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.2

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 101957
Nessus Name: macOS and Mac OS X Multiple Vulnerabilities (Security Update 2017-003)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207922
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: 🔍

Timelineinfo

06/03/2017 🔍
06/04/2017 +17087 days 🔍
06/04/2017 +0 days 🔍
06/04/2017 +0 days 🔍
06/05/2017 +1 days 🔍
07/05/2017 +30 days 🔍
07/19/2017 +14 days 🔍
07/25/2017 +6 days 🔍
06/06/2024 +2508 days 🔍

Sourcesinfo

Advisory: DLA 1573-1
Researcher: Nitay Artenstein
Organization: Exodus Intelligence
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-9417 (🔍)
GCVE (CVE): GCVE-0-2017-9417
GCVE (VulDB): GCVE-100-101947

OVAL: 🔍

SecurityFocus: 99482 - Google Android Broadcom components Multiple Security Vulnerabilities
SecurityTracker: 1038950

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 06/05/2017 09:43
Updated: 06/06/2024 17:59
Changes: 06/05/2017 09:43 (64), 10/13/2019 16:26 (17), 10/04/2020 15:53 (1), 12/07/2022 16:09 (4), 06/06/2024 17:59 (22)
Complete: 🔍
Cache ID: 216:AF1:103

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