CVE-2020-3703 : u'Buffer over-read issue in Bluetooth peripheral firmware due to lack of check f

u'Buffer over-read issue in Bluetooth peripheral firmware due to lack of check for invalid opcode and length of opcode received from central device(This CVE is equivalent to Link Layer Length Overfow issue (CVE-2019-16336,CVE-2019-17519) and Silent Length Overflow issue(CVE-2019-17518) mentioned in sweyntooth paper)' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music in APQ8053, APQ8076, AR9344, Bitra, Kamorta, MDM9206, MDM9207C, MDM9607, MSM8905, MSM8917, MSM8937, MSM8940, MSM8953, Nicobar, QCA6174A, QCA9377, QCM2150, QCM6125, QCS404, QCS405, QCS605, QCS610, QM215, Rennell, SC8180X, SDM429, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDX20, SDX24, SM6150, SM7150, SM8150, SXR1130

Published 2020-11-02 07:15:15

Updated 2021-07-21 11:39:24

Source Qualcomm, Inc.

View at NVD, CVE.org

Vulnerability category: Input validation

Products affected by CVE-2020-3703

Qualcomm » Mdm9206 Firmware » Version: N/A
cpe:2.3:o:qualcomm:mdm9206_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Mdm9206 » Version: N/A
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 » Sdx20 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdx20_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdx20 » Version: N/A
Qualcomm » Sdm630 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm630_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm630 » Version: N/A
Qualcomm » Sdm636 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm636_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm636 » Version: N/A
Qualcomm » Sdm660 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm660_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm660 » Version: N/A
Qualcomm » Msm8937 Firmware » Version: N/A
cpe:2.3:o:qualcomm:msm8937_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Msm8937 » 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 » Qca6174a Firmware » Version: N/A
cpe:2.3:o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qca6174a » Version: N/A
Qualcomm » Qca9377 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qca9377_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qca9377 » 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 » Sdx24 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdx24_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdx24 » Version: N/A
Qualcomm » Sxr1130 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sxr1130_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sxr1130 » 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 » Qcs404 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qcs404_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qcs404 » Version: N/A
Qualcomm » Apq8053 Firmware » Version: N/A
cpe:2.3:o:qualcomm:apq8053_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Apq8053 » Version: N/A
Qualcomm » Mdm9207c Firmware » Version: N/A
cpe:2.3:o:qualcomm:mdm9207c_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Mdm9207c » 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 » Msm8905 Firmware » Version: N/A
cpe:2.3:o:qualcomm:msm8905_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Msm8905 » Version: N/A
Qualcomm » Msm8940 Firmware » Version: N/A
cpe:2.3:o:qualcomm:msm8940_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Msm8940 » 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 » Sdm670 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm670_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm670 » 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 » Apq8076 Firmware » Version: N/A
cpe:2.3:o:qualcomm:apq8076_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Apq8076 » 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 » Qcs610 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qcs610_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qcs610 » Version: N/A
Qualcomm » Bitra Firmware » Version: N/A
cpe:2.3:o:qualcomm:bitra_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Bitra » Version: N/A
Qualcomm » Qcm6125 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qcm6125_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qcm6125 » Version: N/A
Qualcomm » Ar9344 Firmware » Version: N/A
cpe:2.3:o:qualcomm:ar9344_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Ar9344 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2020-3703

EPSS FAQ

0.29%

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

~ 49 %

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

CVSS scores for CVE-2020-3703

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2020-3703

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: nvd@nist.gov (Primary)
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2020-3703

https://www.qualcomm.com/company/product-security/bulletins/october-2020-security-bulletin

October 2020 Security Bulletin | Qualcomm
Vendor Advisory

CVEs referencing this url
https://www.qualcomm.com/company/product-security/bulletins/october-2020-bulletin

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CVEs referencing this url

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Vulnerability Details : CVE-2020-3703

Products affected by CVE-2020-3703

Exploit prediction scoring system (EPSS) score for CVE-2020-3703

CVSS scores for CVE-2020-3703

CWE ids for CVE-2020-3703

References for CVE-2020-3703