CVE-2017-18898: Medium severity mattermost vulnerability
Published 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.
Affected Software
6 affected components
Mattermost Mattermost Server<4.0.5
Mattermost Mattermost Server>=4.1.0<4.1.1
Mattermost Mattermost Server=4.2.0-rc1
Mattermost Mattermost Server=4.2.0-rc2
Mattermost Mattermost Server=4.2.0-rc3
Mattermost Mattermost Server=4.2.0-rc4
Event History
Jun 19, 2020
CVE Published
via MITRE·06:43 PM
Data Sourced
via MITRE·06:43 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2017-18898?
CVE-2017-18898 has been classified with a medium severity level due to its potential to cause browser hangs.
2
How do I fix CVE-2017-18898?
To resolve CVE-2017-18898, update Mattermost Server to version 4.2.0 or later.
3
What versions of Mattermost Server are affected by CVE-2017-18898?
Mattermost Server versions prior to 4.2.0, including 4.1.0 and 4.0.5, are affected by CVE-2017-18898.
4
Is there a workaround for CVE-2017-18898?
There are no official workarounds for CVE-2017-18898; updating is the recommended action.
5
What type of issue does CVE-2017-18898 represent?
CVE-2017-18898 represents a vulnerability that allows for crafted posts to potentially hang web browsers.