CVE-2017-18898
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
—
Description
Mattermost Server is vulnerable to DoS through maliciously crafted posts in github.com/mattermost/mattermost-server
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | <4.0.5 | 4.0.5 |
| Go | github.com/mattermost/mattermost-server | >=4.1.0,<4.1.1 | 4.1.1 |
| Go | github.com/mattermost/mattermost-server | >=4.2.0-rc1,<4.2.0 | 4.2.0 |
| Go | github.com/mattermost/mattermost-server | >=4.2.0-rc1+incompatible,<4.2.0+incompatible | 4.0.5+incompatible |
References
- https://nvd.nist.gov/vuln/detail/CVE-2017-18898
- https://github.com/grundleborg/mattermost/commit/5286318c72aa230f33f89df3b4cbdc33a0822a93
- https://github.com/mattermost/mattermost/commit/5bf6f06c02c368b9c73a8be2d2d8795b3405b22b
- https://github.com/mattermost/mattermost/commit/5c22176c963a7393241872073547f30083efe218
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-9589-mq83-f749
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.