CVE-2017-18887: Infoleak
First published: Fri Jun 19 2020(Updated: )
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It discloses the team creator's e-mail address to members.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Mattermost | <4.1.2 | |
| Mattermost | >=4.2.0<4.2.1 | |
| Mattermost | =4.3.0-rc1 | |
| Mattermost | =4.3.0-rc2 | |
| Mattermost | =4.3.0-rc3 | |
| Mattermost | =4.3.0-rc4 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-18887?
CVE-2017-18887 is considered a medium severity vulnerability due to the disclosure of the team creator's e-mail address.
How do I fix CVE-2017-18887?
To fix CVE-2017-18887, upgrade Mattermost Server to version 4.3.0 or later.
What versions of Mattermost Server are affected by CVE-2017-18887?
CVE-2017-18887 affects Mattermost Server versions prior to 4.3.0, specifically 4.1.2, 4.2.0 to 4.2.1, and all release candidates before 4.3.0.
What type of information is disclosed in CVE-2017-18887?
CVE-2017-18887 discloses the e-mail address of the team creator to other team members.
Can I protect my Mattermost Server from CVE-2017-18887 without upgrading?
Unfortunately, the only way to fully mitigate CVE-2017-18887 is by upgrading to a non-vulnerable version.
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- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
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- agent/author
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- agent/description
- agent/first-publish-date
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- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/mattermost
- canonical/mattermost
- version/mattermost/4.2.0
- version/mattermost/4.3.0-rc1
- version/mattermost/4.3.0-rc2
- version/mattermost/4.3.0-rc3
- version/mattermost/4.3.0-rc4