CVE-2017-18878
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
—
Description
Mattermost Server allows users with a session ID to revoke another users' session 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 | <4.1.2-0.20171004201910-6be8113eb60c | 4.1.2-0.20171004201910-6be8113eb60c |
| Go | github.com/mattermost/mattermost-server | >=4.2.0-rc1,<4.2.1-0.20171004192657-8fbbd688ea24 | 4.2.1-0.20171004192657-8fbbd688ea24 |
| Go | github.com/mattermost/mattermost-server | >=4.3.0-rc1,<4.3.0 | 4.3.0 |
| Go | github.com/mattermost/mattermost-server | >=4.3.0-rc1+incompatible,<4.3.0+incompatible | 4.3.0+incompatible |
References
- https://nvd.nist.gov/vuln/detail/CVE-2017-18878
- https://github.com/mattermost/mattermost/commit/6be8113eb60cf5ddd2dc1c3f4db05cae0c183086
- https://github.com/mattermost/mattermost/commit/8fbbd688ea2466dd0d70e9c07e9703d78f8a19a5
- https://github.com/mattermost/mattermost/commit/affd35071ea155069979fd359726296de8aa6aaf
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-h564-6gc2-fcc6
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.