SB2022071802 - Authorization bypass through user-controlled key in Nextcloud Mail



SB2022071802 - Authorization bypass through user-controlled key in Nextcloud Mail

Published: July 18, 2022

Security Bulletin ID SB2022071802
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Authorization bypass through user-controlled key (CVE-ID: CVE-2022-31131)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to missing ownership check when updating or deleting mail attachments. A remote user can cause the attachment is unavailable for the given message in the outbox.


Remediation

Install update from vendor's website.