Nextcloud Calendar App up to 4.6.7/4.7.1 Event Attachment unexpected data type

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Nextcloud Calendar App up to 4.6.7/4.7.1. The affected element is an unknown function of the component Event Attachment Handler. The manipulation leads to improper handling of unexpected data type. This vulnerability is listed as CVE-2024-37316. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Nextcloud Calendar App up to 4.6.7/4.7.1. It has been rated as problematic. This issue affects an unknown functionality of the component Event Attachment Handler. The manipulation with an unknown input leads to a improper handling of unexpected data type vulnerability. Using CWE to declare the problem leads to CWE-241. The product does not handle or incorrectly handles when a particular element is not the expected type, e.g. it expects a digit (0-9) but is provided with a letter (A-Z). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Nextcloud Calendar is a calendar app for Nextcloud. Authenticated users could create an event with manipulated attachment data leading to a bad redirect for participants when clicked. It is recommended that the Nextcloud Calendar App is upgraded to 4.6.8 or 4.7.2.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2024-37316 since 06/05/2024. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 4.6.8 or 4.7.2 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.6
NVD Vector: 🔍

CNA Base Score: 4.6
CNA Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Improper handling of unexpected data type
CWE: CWE-241 / CWE-229 / 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 App 4.6.8/4.7.2

Timelineinfo

06/05/2024 🔍
06/14/2024 +9 days 🔍
06/14/2024 +0 days 🔍
03/23/2025 +282 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed

CVE: CVE-2024-37316 (🔍)
GCVE (CVE): GCVE-0-2024-37316
GCVE (VulDB): GCVE-100-268703

Entryinfo

Created: 06/14/2024 17:52
Updated: 03/23/2025 05:36
Changes: 06/14/2024 17:52 (63), 08/20/2024 04:25 (12), 03/23/2025 05:36 (3)
Complete: 🔍
Cache ID: 216::103

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