Qualcomm Snapdragon Auto NR System Information Message buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT and Snapdragon Mobile. It has been declared as critical. Affected is an unknown function of the component NR System Information Message Handler. Executing a manipulation can lead to buffer overflow. This vulnerability is registered as CVE-2021-35086. It is possible to launch the attack remotely. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Qualcomm Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT and Snapdragon Mobile (Chip Software). This vulnerability affects some unknown processing of the component NR System Information Message 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 availability. CVE summarizes:

Possible buffer over read due to improper validation of SIB type when processing a NR system Information message in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

The weakness was published 06/15/2022. The advisory is available at qualcomm.com. This vulnerability was named CVE-2021-35086 since 06/21/2021. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/15/2022).

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
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: Yes

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-2021-35086 (🔍)
GCVE (CVE): GCVE-0-2021-35086
GCVE (VulDB): GCVE-100-201970

Entryinfo

Created: 06/15/2022 11:58
Changes: 06/15/2022 11:58 (49)
Complete: 🔍
Cache ID: 216::103

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