Tuesday, October 26, 2021

CVE-2021-39220

Description

Nextcloud is an open-source, self-hosted productivity platform The Nextcloud Mail application prior to versions 1.10.4 and 1.11.0 does by default not render images in emails to not leak the read state or user IP. The privacy filter failed to filter images with a relative protocol. It is recommended that the Nextcloud Mail application is upgraded to 1.10.4 or 1.11.0. There are no known workarounds aside from upgrading.

References to Advisories, Solutions, and Tools


References to Advisories, Solutions, and Tools

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Resourcehttps://github.com/nextcloud/mail/pull/5470https://github.com/nextcloud/security-advisories/security/advisories/GHSA-6q9v-wm8r-rcv5https://hackerone.com/reports/1308147
 

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thank you Templateism for the design - You should have written the code a little more complicated - Nothing Encrypted anymore