Vulnerability CVE-2018-14855


Published: 2018-12-17

Description:
Buffer overflow in dhd_bus_flow_ring_flush_response in drivers/net/wireless/bcmdhd4358/dhd_pcie.c in the bcmdhd4358 Wi-Fi driver on the Samsung Galaxy S6 allow an attacker (who has obtained code execution on the Wi-Fi chip) to cause the device driver to perform invalid memory accesses. The Samsung ID is SVE-2018-11785.

Type:

CWE-119

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

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
5.8/10
6.4/10
6.5/10
Exploit range
Attack complexity
Authentication
Adjacent network
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Samsung -> Galaxy s6 firmware 

 References:
https://github.com/securesystemslab/periscope/blob/master/bugs-found/CVE-2018-14854_CVE-2018-14855_CVE-2018-14856.md
https://people.cs.kuleuven.be/~stijn.volckaert/papers/2019_NDSS_PeriScope.pdf

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