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Security Advisory - BroadPwn Remote Code Execute Vulnerability

  • SA No:huawei-sa-20170727-01-broadpwn
  • Initial Release Date: Jul 27, 2017
  • Last Release Date: Jul 27, 2017

Broadcom BCM43xx Wi-Fi chips allow remote attackers to execute arbitrary code via unspecified vectors, aka the "Broadpwn" issue. Successful exploit of this vulnerability could allow an attacker to remotely execute arbitrary code on affected devices. (Vulnerability ID: HWPSIRT-2017-07072)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-9417.

Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20170727-01-broadpwn-en

Product Name

Affected Version

Resolved Product and Version

Stanford-L09

Earlier than Stanford-L09C10B130a versions

Upgrade to Stanford-L09C10B130a

Successful exploit of this vulnerability could allow an attacker to remotely execute arbitrary code on affected devices.

The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Temporal Score: 9.1 (E:F/RL:O/RC:C)

This vulnerability can be exploited only when the following conditions are present:

An attacker can access the vulnerable devices by network.

Vulnerability details:

Broadcom BCM43xx Wi-Fi chips allow remote attackers to execute arbitrary code via unspecified vectors, aka the "Broadpwn" issue. Successful exploit of this vulnerability could allow an attacker to remotely execute arbitrary code on affected devices. 

More information can refer to the link: http://blog.exodusintel.com/2017/07/26/broadpwn/

The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.

This vulnerability was disclosed by Nitay Artenstein at Black Hat USA 2017 on July 27.

2017-07-27 V1.0 INITIAL

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