VDB-160804 · CVE-2020-3640 · GCVE-0-2020-3640

Qualcomm Snapdragon Compute up to SXR2130 Table Header buffer size

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7.5	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in Qualcomm Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking up to SXR2130. The affected element is an unknown function of the component Table Header Handler. Executing a manipulation can lead to buffer size. The identification of this vulnerability is CVE-2020-3640. The attack can only be executed locally. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Qualcomm Snapdragon Compute, Snapdragon Consumer IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking up to SXR2130 (Chip Software). This vulnerability affects an unknown function of the component Table Header Handler. The manipulation with an unknown input leads to a buffer size vulnerability. The CWE definition for the vulnerability is CWE-131. The product does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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

The weakness was shared 09/08/2020 as confirmed security bulletin (Website). The advisory is shared for download at qualcomm.com. This vulnerability was named CVE-2020-3640 since 12/17/2019. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The entries VDB-160766, VDB-160767, VDB-160768 and VDB-160769 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Chip Software

Vendor

Qualcomm

Name

Version

License

commercial

Website

Vendor: https://www.qualcomm.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer size
CWE: CWE-131 / CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2019 🔍
09/08/2020 +266 days 🔍
09/08/2020 +0 days 🔍
11/13/2020 +66 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: qualcomm.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-3640 (🔍)
GCVE (CVE): GCVE-0-2020-3640
GCVE (VulDB): GCVE-100-160804
See also: 🔍

Entryinfo

Created: 09/08/2020 18:23
Updated: 11/13/2020 08:28
Changes: 09/08/2020 18:23 (40), 09/08/2020 18:28 (18), 11/12/2020 07:45 (1), 11/13/2020 08:28 (1)
Complete: 🔍
Cache ID: 216::103