Qualcomm Snapdragon Auto fastrpc Kernel Driver use after free

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Qualcomm Snapdragon Auto, Snapdragon Connectivity, Snapdragon Mobile and Snapdragon Wearables. It has been classified as critical. Affected is an unknown function of the component fastrpc Kernel Driver. Performing a manipulation results in use after free. This vulnerability was named CVE-2021-1958. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Qualcomm Snapdragon Auto, Snapdragon Connectivity, Snapdragon Mobile and Snapdragon Wearables (Chip Software) (unknown version). This affects an unknown code block of the component fastrpc Kernel Driver. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 09/09/2021. The advisory is shared at qualcomm.com. This vulnerability is uniquely identified as CVE-2021-1958. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/09/2021).

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: 7.2
VulDB Meta Temp Score: 6.9

VulDB Base Score: 7.2
VulDB Temp Score: 6.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Use after free
CWE: CWE-416 / 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

12/08/2020 🔍
09/09/2021 +274 days 🔍
09/09/2021 +0 days 🔍
09/11/2021 +2 days 🔍

Sourcesinfo

Vendor: qualcomm.com

Advisory: qualcomm.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-1958 (🔍)
GCVE (CVE): GCVE-0-2021-1958
GCVE (VulDB): GCVE-100-182313

Entryinfo

Created: 09/09/2021 15:47
Updated: 09/11/2021 17:52
Changes: 09/09/2021 15:47 (55), 09/11/2021 17:44 (3), 09/11/2021 17:52 (1)
Complete: 🔍
Cache ID: 216::103

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