Nextcloud Calendar up to 3.2.1 JSON Request injection

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Nextcloud Calendar up to 3.2.1. It has been declared as critical. This affects an unknown function of the component JSON Request Handler. Executing a manipulation can lead to injection. This vulnerability is registered as CVE-2022-24838. 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 Nextcloud Calendar up to 3.2.1 (Calendar Software). This vulnerability affects some unknown processing of the component JSON Request Handler. The manipulation with an unknown input leads to a injection vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality.

The weakness was published 04/12/2022 as GHSA-8xv5-4855-24qf. The advisory is available at github.com. This vulnerability was named CVE-2022-24838 since 02/10/2022. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1055 by the MITRE ATT&CK project.

Upgrading to version 3.2.2 eliminates this vulnerability. Applying the patch 7b70edfb8a0fcf0926f613ababcbd56c6ecd9f35 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 best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

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

CNA Base Score: 5.3
CNA Vector (GitHub, Inc.): 🔍

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: 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: 🔍

Upgrade: Calendar 3.2.2
Patch: 7b70edfb8a0fcf0926f613ababcbd56c6ecd9f35

Timelineinfo

02/10/2022 🔍
04/12/2022 +60 days 🔍
04/12/2022 +0 days 🔍
04/14/2022 +2 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-8xv5-4855-24qf
Status: Confirmed

CVE: CVE-2022-24838 (🔍)
GCVE (CVE): GCVE-0-2022-24838
GCVE (VulDB): GCVE-100-196930

Entryinfo

Created: 04/12/2022 14:23
Updated: 04/14/2022 14:24
Changes: 04/12/2022 14:23 (53), 04/14/2022 14:20 (1), 04/14/2022 14:24 (1)
Complete: 🔍
Cache ID: 216::103

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