CVE-2020-3656 : Out of bound access can happen in MHI command process due to lack of check of command channel id value received from MHI

Out of bound access can happen in MHI command process due to lack of check of command channel id value received from MHI devices in Snapdragon Auto, Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in APQ8009, Kamorta, MDM9607, MSM8917, MSM8953, Nicobar, QCM2150, QCS405, QCS605, QM215, Rennell, SA6155P, SA8155P, Saipan, SC8180X, SDM429, SDM429W, SDM439, SDM450, SDM632, SDM710, SDM845, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

Published 2020-09-09 07:15:10

Updated 2020-09-14 14:51:52

Source Qualcomm, Inc.

View at NVD, CVE.org

Vulnerability category: Overflow

Exploit prediction scoring system (EPSS) score for CVE-2020-3656

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 10 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-3656

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.2	HIGH	AV:L/AC:L/Au:N/C:C/I:C/A:C	3.9	10.0	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2020-3656

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

Assigned by: nvd@nist.gov (Primary)

Products affected by CVE-2020-3656

Qualcomm » Mdm9607 Firmware » Version: N/A
cpe:2.3:o:qualcomm:mdm9607_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Mdm9607 » Version: N/A
Qualcomm » Sdm845 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm845_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm845 » Version: N/A
Qualcomm » Msm8917 Firmware » Version: N/A
cpe:2.3:o:qualcomm:msm8917_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Msm8917 » Version: N/A
Qualcomm » Sdm710 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm710_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm710 » Version: N/A
Qualcomm » Sdm632 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm632_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm632 » Version: N/A
Qualcomm » Sdm429 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm429_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm429 » Version: N/A
Qualcomm » Sdm439 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm439_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm439 » Version: N/A
Qualcomm » Qcs605 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qcs605_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qcs605 » Version: N/A
Qualcomm » Sm7150 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sm7150_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sm7150 » Version: N/A
Qualcomm » Qm215 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qm215_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qm215 » Version: N/A
Qualcomm » Qcs405 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qcs405_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qcs405 » Version: N/A
Qualcomm » Apq8009 Firmware » Version: N/A
cpe:2.3:o:qualcomm:apq8009_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Apq8009 » Version: N/A
Qualcomm » Sdx55 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdx55_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdx55 » Version: N/A
Qualcomm » Sm6150 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sm6150_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sm6150 » Version: N/A
Qualcomm » Sm8150 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sm8150_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sm8150 » Version: N/A
Qualcomm » Msm8953 Firmware » Version: N/A
cpe:2.3:o:qualcomm:msm8953_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Msm8953 » Version: N/A
Qualcomm » Nicobar Firmware » Version: N/A
cpe:2.3:o:qualcomm:nicobar_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Nicobar » Version: N/A
Qualcomm » Qcm2150 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qcm2150_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qcm2150 » Version: N/A
Qualcomm » Sc8180x Firmware » Version: N/A
cpe:2.3:o:qualcomm:sc8180x_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sc8180x » Version: N/A
Qualcomm » Sdm450 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm450_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm450 » Version: N/A
Qualcomm » Sm8250 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sm8250_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sm8250 » Version: N/A
Qualcomm » Sxr2130 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sxr2130_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sxr2130 » Version: N/A
Qualcomm » Sa6155p Firmware » Version: N/A
cpe:2.3:o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sa6155p » Version: N/A
Qualcomm » Sdm429w Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm429w_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm429w » Version: N/A
Qualcomm » Rennell Firmware » Version: N/A
cpe:2.3:o:qualcomm:rennell_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Rennell » Version: N/A
Qualcomm » Saipan Firmware » Version: N/A
cpe:2.3:o:qualcomm:saipan_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Saipan » Version: N/A
Qualcomm » Kamorta Firmware » Version: N/A
cpe:2.3:o:qualcomm:kamorta_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Kamorta » Version: N/A
Qualcomm » Sa8155p Firmware » Version: N/A
cpe:2.3:o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sa8155p » Version: N/A

Vulnerability Details : CVE-2020-3656

Exploit prediction scoring system (EPSS) score for CVE-2020-3656

CVSS scores for CVE-2020-3656

CWE ids for CVE-2020-3656

References for CVE-2020-3656

Products affected by CVE-2020-3656