MEDIUM
GHSA-8qg8-c7mw-6fj7
Mattermost Server is vulnerable to Directory Traversal by System Admins
Quick fix
GHSA-8qg8-c7mw-6fj7 — github.com/mattermost/mattermost-server: upgrade to the fixed version with the command below.
go get github.com/mattermost/mattermost-server@v4.1.2-0.20171004201910-6be8113eb60Details
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can achieve directory traversal.
Are you affected?
Enter the version of the package you're using.
Affected packages
Go/github.com/mattermost/mattermost-server
Introduced in:
0Fixed in: 4.1.2-0.20171004201910-6be8113eb60Fix
go get github.com/mattermost/mattermost-server@v4.1.2-0.20171004201910-6be8113eb60Go/github.com/mattermost/mattermost-server
Introduced in:
4.2.0-rc1Fixed in: 4.2.1-0.20171004194140-6d3cb2ce07fcFix
go get github.com/mattermost/mattermost-server@v4.2.1-0.20171004194140-6d3cb2ce07fcGo/github.com/mattermost/mattermost-server
Introduced in:
4.3.0-rc1Fixed in: 4.3.0Fix
go get github.com/mattermost/mattermost-server@v4.3.0References
- https://nvd.nist.gov/vuln/detail/CVE-2017-18874[ADVISORY]
- https://github.com/mattermost/mattermost/commit/6be8113eb60cf5ddd2dc1c3f4db05cae0c183086[WEB]
- https://github.com/mattermost/mattermost/commit/6d3cb2ce07fc799832081e93843b405b390057fa[WEB]
- https://github.com/mattermost/mattermost/commit/fadd9514f6e71590aba781a7035e1de4150137b0[WEB]
- https://github.com/mattermost/mattermost[PACKAGE]
- https://mattermost.com/security-updates[WEB]