First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows crafted posts that potentially cause a web browser to hang.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Mattermost | <4.0.5 | |
Mattermost | >=4.1.0<4.1.1 | |
Mattermost | =4.2.0-rc1 | |
Mattermost | =4.2.0-rc2 | |
Mattermost | =4.2.0-rc3 | |
Mattermost | =4.2.0-rc4 |
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CVE-2017-18898 has been classified with a medium severity level due to its potential to cause browser hangs.
To resolve CVE-2017-18898, update Mattermost Server to version 4.2.0 or later.
Mattermost Server versions prior to 4.2.0, including 4.1.0 and 4.0.5, are affected by CVE-2017-18898.
There are no official workarounds for CVE-2017-18898; updating is the recommended action.
CVE-2017-18898 represents a vulnerability that allows for crafted posts to potentially hang web browsers.