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CVE-2022-31131

Ownership check missing when updating or deleting mail attachments in Nextcloud mail

Published: Jul 6, 2022Updated: Nov 21, 2024 Sources: CVE List NVDCWE-287
5.4MEDIUM
NVD MITRE
EPSS Score
0.7%
Top 48.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

Nextcloud mail is a Mail app for the Nextcloud home server product. Versions of Nextcloud mail prior to 1.12.2 were found to be missing user account ownership checks when performing tasks related to mail attachments. Attachments may have been exposed to incorrect system users. It is recommended that the Nextcloud Mail app is upgraded to 1.12.2. There are no known workarounds for this issue. ### Workarounds No workaround available ### References * [Pull request](https://github.com/nextcloud/mail/pull/6600) * [HackerOne](https://hackerone.com/reports/1579820) ### For more information If you have any questions or comments about this advisory: * Create a post in [nextcloud/security-advisories](https://github.com/nextcloud/security-advisories/discussions) * Customers: Open a support ticket at [support.nextcloud.com](https://support.nextcloud.com)

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-287CWE-639

Affected Products

nextcloud
oss-project·DEaka nextcloud server
security-advisoriesSaaSSaaS Service
Cloud & SaaS / saas-application
nextcloud mailSaaSWeb App
Cloud & SaaS

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xhv7-5mhv-299j
github.com
https://github.com/nextcloud/mail/pull/6600
github.com
https://github.com/nextcloud/mail/pull/6600/commits/6dd2527be8d4f6788b449c8a8f5577628b990605
github.com

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