Heap and Stack Overflow Vulnerability in Broadcom BCM4355C0 Wi-Fi Chips
CVE-2017-11121

9.8CRITICAL

Key Information:

Vendor

Broadcom
Status
Bcm4355c0 Firmware
Vendor
CVE Published:
28 September 2017

What is CVE-2017-11121?

The Broadcom BCM4355C0 Wi-Fi chip is susceptible to a vulnerability that arises from the improper handling of maliciously crafted Fast Transition frames transmitted over-the-air. This flaw can lead to significant system instability, including potential heap and stack overflows within the internal Wi-Fi firmware. Such vulnerabilities can cause denial of service and may allow adversaries to disrupt normal operations.

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References

http://www.securityfocus.com/bid/100984
vdb-entryx_refsource_BID
https://source.android.com/security/bulletin/2017-09-01
x_refsource_CONFIRM
https://lists.apple.com/archives/security-announce/2017/S...
vendor-advisoryx_refsource_APPLE

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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