CVE-2020-3640
First published: Mon Aug 03 2020(Updated: )
u'Resizing the usage table header before passing all the checks leads to the function exiting with a usage table in invalid state when a HLOS adversary calls the function with wrong input' in Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking in Bitra, Kamorta, QCS404, QCS610, Rennell, Saipan, SC7180, SDX55, SM6150, SM7150, SM8250, SXR2130
Credit: product-security@qualcomm.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Qualcomm Bitra Firmware | ||
| Qualcomm Bitra | ||
| Qualcomm Kamorta Firmware | ||
| Qualcomm Kamorta | ||
| Qualcomm Qcs404 Firmware | ||
| Qualcomm Qcs404 | ||
| Qualcomm Qcs610 Firmware | ||
| Qualcomm Qcs610 | ||
| Qualcomm Rennell Firmware | ||
| Qualcomm Rennell | ||
| Qualcomm Saipan Firmware | ||
| Qualcomm Saipan | ||
| Qualcomm Sc7180 Firmware | ||
| Qualcomm Sc7180 | ||
| Qualcomm Sdx55 Firmware | ||
| Qualcomm Sdx55 | ||
| Qualcomm Sm6150 Firmware | ||
| Qualcomm Sm6150 | ||
| Qualcomm Sm7150 Firmware | ||
| Qualcomm Sm7150 | ||
| Qualcomm Sm8250 Firmware | ||
| Qualcomm SM8250 | ||
| Qualcomm Sxr2130 Firmware | ||
| Qualcomm Sxr2130 | ||
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Reference Links
- https://www.qualcomm.com/company/product-security/bulletins/august-2020-bulletin
- https://www.qualcomm.com/company/product-security/bulletins/august-2020-security-bulletin
- https://source.android.com/docs/security/bulletin/2020-08-01/#asterisk
- https://source.android.com/docs/security/bulletin/2020-08-01 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2020-3640?
The severity of CVE-2020-3640 is high with a CVSS score of 7.8.
Which software is affected by CVE-2020-3640?
CVE-2020-3640 affects Qualcomm Bitra Firmware, Qualcomm Kamorta Firmware, Qualcomm QCS404 Firmware, Qualcomm Rennell Firmware, Qualcomm Saipan Firmware, Qualcomm SC7180 Firmware, Qualcomm SDX55 Firmware, Qualcomm SM6150 Firmware, Qualcomm SM7150 Firmware, Qualcomm SM8250 Firmware, and Qualcomm SXR2130 Firmware.
How does CVE-2020-3640 impact the affected software?
CVE-2020-3640 can lead to the function exiting with a usage table in an invalid state when a HLOS adversary calls the function with wrong input.
What is the recommended fix for CVE-2020-3640?
To mitigate CVE-2020-3640, apply the patches provided by Qualcomm or follow the recommendations from Google's Android security bulletin.
Where can I find more information about CVE-2020-3640?
You can find more information about CVE-2020-3640 in the August 2020 security bulletin from Qualcomm and the Android security bulletin.
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