Qualcomm Snapdragon Auto up to SDM632 TrustZone toctou

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

A vulnerability, which was classified as critical, was found in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice , Music, Snapdragon Wired Infrastructure and Networking (Chip Software). This affects an unknown function of the component TrustZone. The manipulation with an unknown input leads to a toctou vulnerability. CWE is classifying the issue as CWE-367. The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

u'Non-secure memory is touched multiple times during TrustZone\u2019s execution and can lead to privilege escalation or memory corruption' in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wired Infrastructure and Networking in APQ8009, APQ8017, APQ8053, APQ8098, IPQ8074, Kamorta, MDM9150, MDM9206, MDM9607, MDM9650, MSM8905, MSM8909, MSM8917, MSM8920, MSM8937, MSM8940, MSM8953, MSM8998, QCA8081, QCS404, QCS605, QCS610, QM215, Rennell, SA415M, SC7180, SDA660, SDA845, SDM429, SDM439, SDM450, SDM630, SDM632, SDM636, SDM660, SDM670, SDM710, SDM845, SDM850, SDX24, SM6150, SM7150, SM8150, SXR1130

The weakness was disclosed 09/08/2020 as confirmed security bulletin (Website). The advisory is shared at qualcomm.com. This vulnerability is uniquely identified as CVE-2020-3619 since 12/17/2019. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

The entries 160766, 160767, 160768 and 160769 are pretty similar.

Productinfo

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Vendor

Name

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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Exploitinginfo

Class: Toctou
CWE: CWE-367 / CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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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-2020-3619 (🔍)
See also: 🔍

Entryinfo

Created: 09/08/2020 18:18
Updated: 11/13/2020 07:50
Changes: 09/08/2020 18:18 (40), 09/08/2020 18:23 (18), 11/12/2020 07:45 (1), 11/13/2020 07:50 (1)
Complete: 🔍

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