CVE-2020-3646 : u'Buffer overflow seen as the destination buffer size is lesser than the source

u'Buffer overflow seen as the destination buffer size is lesser than the source buffer size in video application' in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in Bitra, MSM8909W, QCM2150, QCS405, QCS605, Saipan, SC8180X, SDA845, SDM429W, SDX24, SDX55, SM6150, SM7150, SM8150, SM8250, SXR2130

Published 2020-09-08 10:15:16

Updated 2020-09-14 16:46:55

Source Qualcomm, Inc.

View at NVD, CVE.org

Vulnerability category: Overflow

Products affected by CVE-2020-3646

Qualcomm » Msm8909w Firmware » Version: N/A
cpe:2.3:o:qualcomm:msm8909w_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Msm8909w » Version: N/A
Qualcomm » Sda845 Firmware » Version: N/A
cpe:2.3:o:qualcomm:sda845_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sda845 » 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 » 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 » Qcs405 Firmware » Version: N/A
cpe:2.3:o:qualcomm:qcs405_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Qcs405 » 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 » 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 » 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 » Sdm429w Firmware » Version: N/A
cpe:2.3:o:qualcomm:sdm429w_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Sdm429w » 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 » Bitra Firmware » Version: N/A
cpe:2.3:o:qualcomm:bitra_firmware:-:*:*:*:*:*:*:*
Matching versions
When used together with: Qualcomm » Bitra » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2020-3646

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-2020-3646

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
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-2020-3646

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)

References for CVE-2020-3646

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

August 2020 Security Bulletin | Qualcomm
Patch;Vendor Advisory

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

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Vulnerability Details : CVE-2020-3646

Products affected by CVE-2020-3646

Exploit prediction scoring system (EPSS) score for CVE-2020-3646

CVSS scores for CVE-2020-3646

CWE ids for CVE-2020-3646

References for CVE-2020-3646