CVE-2020-6616

Public Exploit

Description

Some Broadcom chips mishandle Bluetooth random-number generation because a low-entropy Pseudo Random Number Generator (PRNG) is used in situations where a Hardware Random Number Generator (HRNG) should have been used to prevent spoofing. This affects, for example, Samsung Galaxy S8, S8+, and Note8 devices with the BCM4361 chipset. The Samsung ID is SVE-2020-16882 (May 2020).

6.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.12%

Vendor Advisory samsungmobile.com

Affected: n/a n/a

References

Link	Tags
https://security.samsungmobile.com/securityUpdate.smsb	vendor advisory
https://support.apple.com/kb/HT211100	third party advisory
http://bluetooth.lol	third party advisory
https://media.ccc.de/v/DiVOC-6-finding_eastereggs_in_broadcom_s_bluetooth_random_number_generator	third party advisory exploit
https://twitter.com/naehrdine/status/1255981245147877377	third party advisory
https://github.com/seemoo-lab/internalblue/blob/master/doc/rng.md	third party advisory
https://twitter.com/naehrdine/status/1255980443368919045	third party advisory
https://support.apple.com/kb/HT211168	third party advisory
http://seclists.org/fulldisclosure/2020/May/49	third party advisory mailing list
https://support.apple.com/HT211168	third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-6616?: CVE-2020-6616 has been scored as a medium severity vulnerability.
How to fix CVE-2020-6616?: To fix CVE-2020-6616, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-6616 being actively exploited in the wild?: It is possible that CVE-2020-6616 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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