Bluetooth Classic Vulnerability in Silicon Labs iWRAP Products
CVE-2021-31609

6.5MEDIUM

Key Information:

Vendor

Silabs

Status
Iwrap
Vendor
CVE Published:
7 September 2021

What is CVE-2021-31609?

The Bluetooth Classic implementation in Silicon Labs iWRAP 6.3.0 and earlier versions fails to appropriately manage oversized LMP packets exceeding 17 bytes. This flaw allows attackers within radio proximity to exploit the vulnerability by sending specially crafted LMP packets, which can lead to a crash of the WT32i device. Effective security measures should be implemented to mitigate the risks associated with this vulnerability.

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References

https://www.silabs.com/wireless/bluetooth/bluegiga-classi...
x_refsource_MISC
https://dl.packetstormsecurity.net/papers/general/braktoo...
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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