matrix-react-sdk up to 3.20.x Local File Preview injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k0.00

Summaryinfo

A vulnerability was found in matrix-react-sdk up to 3.20.x. It has been rated as critical. Impacted is an unknown function of the component Local File Preview Handler. The manipulation leads to injection. This vulnerability is documented as CVE-2021-32622. The attack needs to be performed locally. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in matrix-react-sdk up to 3.20.x (JavaScript Library). It has been rated as critical. This issue affects an unknown function of the component Local File Preview Handler. The manipulation with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability.

The weakness was released 05/18/2021. The advisory is shared at github.com. The identification of this vulnerability is CVE-2021-32622. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1055 for this issue.

Upgrading to version 3.21.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.2
VulDB Temp Score: 4.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Injection
CWE: CWE-74 / CWE-707 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: 🔍

Upgrade: matrix-react-sdk 3.21.0
Patch: github.com

Timelineinfo

05/12/2021 🔍
05/18/2021 +6 days 🔍
05/18/2021 +0 days 🔍
05/22/2021 +4 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-32622 (🔍)
GCVE (CVE): GCVE-0-2021-32622
GCVE (VulDB): GCVE-100-175301

Entryinfo

Created: 05/18/2021 09:02
Updated: 05/22/2021 09:25
Changes: 05/18/2021 09:02 (39), 05/22/2021 09:20 (6), 05/22/2021 09:25 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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