Vulnerability CVE-2017-6957


Published: 2017-03-27

Description:
Stack-based buffer overflow in the firmware in Broadcom Wi-Fi HardMAC SoC chips, when the firmware supports CCKM Fast and Secure Roaming and the feature is enabled in RAM, allows remote attackers to execute arbitrary code via a crafted reassociation response frame with a Cisco IE (156).

See advisories in our WLB2 database:
Topic
Author
Date
High
Broadcom Stack Buffer Overflow
laginimaineb
25.03.2017

Type:

CWE-119

(Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Broadcom -> Bcm4339 soc firmware 

 References:
http://packetstormsecurity.com/files/141803/Broadcom-Stack-Buffer-Overflow.html
http://www.securityfocus.com/bid/97054
https://bugs.chromium.org/p/project-zero/issues/detail?id=1051

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