Qualcomm Snapdragon Connectivity/Snapdragon Industrial IOT GATT Multi Notification buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Qualcomm Snapdragon Connectivity and Snapdragon Industrial IOT. This impacts an unknown function of the component GATT Multi Notification Handler. This manipulation causes buffer overflow. This vulnerability is handled as CVE-2021-35123. The attack can only be done within the local network. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Qualcomm Snapdragon Connectivity and Snapdragon Industrial IOT (Chip Software) (version now known) and classified as critical. Affected by this vulnerability is some unknown processing of the component GATT Multi Notification Handler. The manipulation with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Buffer copy in GATT multi notification due to improper length check for the data coming over-the-air in Snapdragon Connectivity, Snapdragon Industrial IOT

The weakness was released 06/15/2022. It is possible to read the advisory at qualcomm.com. This vulnerability is known as CVE-2021-35123 since 06/21/2021. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/15/2022).

Upgrading eliminates this vulnerability.

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Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (Qualcomm, Inc.): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/21/2021 🔍
06/15/2022 +359 days 🔍
06/15/2022 +0 days 🔍
06/15/2022 +0 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: qualcomm.com
Status: Confirmed

CVE: CVE-2021-35123 (🔍)
GCVE (CVE): GCVE-0-2021-35123
GCVE (VulDB): GCVE-100-201991

Entryinfo

Created: 06/15/2022 12:19
Changes: 06/15/2022 12:19 (49)
Complete: 🔍
Cache ID: 216::103

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