Buffer Overflow Vulnerability in Cypress CYW20735 Evaluation Board
CVE-2019-18614

7.8HIGH

Key Information:

Vendor

Cypress

Status
Cyw20735 Firmware
Vendor
CVE Published:
16 June 2020

What is CVE-2019-18614?

The vulnerability found in the Cypress CYW20735 evaluation board facilitates a buffer overflow due to a mismatch in maximum buffer sizes for data transmission. The BLOC buffer is limited to 384 bytes, while the usual size of 1092 bytes remains set for other configurations. This discrepancy allows an attacker to exploit this vulnerability by transmitting packets either wirelessly or as a local user, leading to potential unauthorized access or system disruption. The buffer overflow can easily be triggered by attempting to open any ACL or SCO connection.

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References

https://github.com/seemoo-lab/frankenstein/blob/master/do...
x_refsource_MISC

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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