First published: Tue Feb 04 2020(Updated: )
Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature.
Credit: support@hackerone.com
Affected Software | Affected Version | How to fix |
---|---|---|
Nextcloud talk | <6.0.4 |
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CVE-2019-15620 is a vulnerability in Nextcloud Talk 6.0.3 that allows improper access control, leaking the existence and name of private conversations when linked to another shared item via the projects feature.
CVE-2019-15620 has a severity level of medium, with a severity value of 2.7.
CVE-2019-15620 affects Nextcloud Talk version 6.0.3 and earlier, leaking the existence and name of private conversations when linked to another shared item via the projects feature.
To fix CVE-2019-15620, it is recommended to update Nextcloud Talk to version 6.0.4 or later.
You can find more information about CVE-2019-15620 in the following references: [HackerOne report](https://hackerone.com/reports/662218) and [Nextcloud Security Advisory](https://nextcloud.com/security/advisory/?id=NC-SA-2020-011).