Nextcloud Mail up to 2.2.1 cleartext storage

CVSS Meta Temp Score
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Nextcloud Mail up to 2.2.1. It has been rated as problematic. Affected by this vulnerability is an unknown functionality. This manipulation causes cleartext storage. This vulnerability is tracked as CVE-2023-23944. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Nextcloud Mail up to 2.2.1 (Cloud Software) and classified as problematic. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a cleartext storage vulnerability. The CWE definition for the vulnerability is CWE-312. The product stores sensitive information in cleartext within a resource that might be accessible to another control sphere. As an impact it is known to affect confidentiality. The summary by CVE is:

Nextcloud mail is an email app for the nextcloud home server platform. In versions prior to 2.2.2 user's passwords were stored in cleartext in the database during the duration of OAuth2 setup procedure. Any attacker or malicious user with access to the database would have access to these user passwords until the OAuth setup has been completed. It is recommended that the Nextcloud Mail app is upgraded to 2.2.2. There are no known workarounds for this issue.

The weakness was disclosed 02/06/2023 as GHSA-g86r-x755-93f4. The advisory is shared at github.com. This vulnerability is known as CVE-2023-23944 since 01/19/2023. 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 T1555 for this issue.

Upgrading to version 2.2.2 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.0
VulDB Temp Score: 1.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 2.0
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: Cleartext storage
CWE: CWE-312 / CWE-310
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: Mail 2.2.2
Patch: github.com

Timelineinfo

01/19/2023 🔍
02/06/2023 +18 days 🔍
02/06/2023 +0 days 🔍
03/05/2023 +27 days 🔍

Sourcesinfo

Product: github.com

Advisory: GHSA-g86r-x755-93f4
Status: Confirmed

CVE: CVE-2023-23944 (🔍)
GCVE (CVE): GCVE-0-2023-23944
GCVE (VulDB): GCVE-100-220297

Entryinfo

Created: 02/06/2023 22:03
Updated: 03/05/2023 16:39
Changes: 02/06/2023 22:03 (52), 03/05/2023 16:39 (11)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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