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github.com/mattermost/mattermost-server

Open actionable advisories and recorded vendor fixes. This public package view has no inventory attached and cannot establish whether your deployment is affected. A vendor fix never resolves your finding; verify your installed version and the source guidance.

Open advisories

171 actionable advisories, newest first. Withdrawn advisories and news are excluded. Coverage is partial.

  1. Medium, CVSS 5.1GoPublished

    Mattermost Server exposes account details to any Team Administrator

    CVE-2016-11080 · GHSA-g3f3-p9rc-775p

    Affected
    • Go github.com/mattermost/mattermost-server < 3.0.0
    Fixed in
    3.0.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.0.0. It offers superfluous APIs for a Team Administrator to view account details.

    Recommended action: Upgrade to 3.0.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  2. High, CVSS 7.5GoPublished

    Mattermost Server vulnerable to Denial of Service through @ character prefix inserted into JavaScript field names

    CVE-2017-18871 · GHSA-jc6w-8r7f-vmp5

    Affected
    • Go github.com/mattermost/mattermost-server < 4.2.2; >= 4.3.0-rc1, < 4.3.4; >= 4.4.0-rc1, < 4.4.5; >= 4.5.0-rc1, < 4.5.0
    Fixed in
    4.3.44.5.04.2.24.4.5· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, 4.3.4, and 4.2.2. It allows attackers to cause a denial of service (application crash) via an @ character before a JavaScript field name.

    Recommended action: Upgrade to 4.5.0, 4.4.5, 4.3.4 or 4.2.2 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  3. Medium, CVSS 6.1GoPublished

    Mattermost Server allows XSS via redirect URL

    CVE-2016-11079 · GHSA-2j9c-76pp-xc5q

    Affected
    • Go github.com/mattermost/mattermost-server < 3.0.0
    Fixed in
    3.0.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.0.0. It allows XSS via a redirect URL.

    Recommended action: Upgrade to 3.0.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  4. Low, CVSS 2.7GoPublished

    Mattermost Server allows System Admin to modify LDAP account names and email addresses

    CVE-2016-11077 · GHSA-mj8v-773w-5qhj

    Affected
    • Go github.com/mattermost/mattermost-server < 3.0.0
    Fixed in
    3.0.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.0.0. It has a superfluous API in which the System Admin can change the account name and e-mail address of an LDAP account.

    Recommended action: Upgrade to 3.0.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  5. Medium, CVSS 6.1GoPublished

    Mattermost Server: Files may be rendered inline instead of downloaded, allowing script execution

    CVE-2016-11083 · GHSA-rm24-25xm-9454

    Affected
    • Go github.com/mattermost/mattermost-server < 2.2.0
    Fixed in
    2.2.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 2.2.0. It allows XSS because it configures files to be opened in a browser window.

    Recommended action: Upgrade to 2.2.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  6. Medium, CVSS 4.3GoPublished

    Mattermost Server's OAuth 2.0 service is vulnerable to attack through Missing Authorization

    CVE-2017-18872 · GHSA-hgrp-fgm8-56g8

    Affected
    • Go github.com/mattermost/mattermost-server < 4.3.3; >= 4.4.0-rc1, < 4.4.3
    Fixed in
    4.4.34.3.3· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3. Attackers could reconfigure an OAuth app in some cases where Mattermost is an OAuth 2.0 service provider.

    Recommended action: Upgrade to 4.4.3 or 4.3.3 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  7. Medium, CVSS 6.1GoPublished

    Mattermost Server is vulnerable to XSS through crafted links

    CVE-2016-11082 · GHSA-m78r-2x6w-qqjp

    Affected
    • Go github.com/mattermost/mattermost-server < 2.2.0
    Fixed in
    2.2.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 2.2.0. It allows XSS via a crafted link.

    Recommended action: Upgrade to 2.2.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  8. UnratedGoPublished

    Mattermost Server is vulnerable to Directory Traversal by System Admins

    CVE-2017-18874 · GHSA-8qg8-c7mw-6fj7

    Affected
    • Go github.com/mattermost/mattermost-server < 4.1.2-0.20171004201910-6be8113eb60; >= 4.2.0-rc1, < 4.2.1-0.20171004194140-6d3cb2ce07fc; >= 4.3.0-rc1, < 4.3.0
    Fixed in
    4.3.04.2.1-0.20171004194140-6d3cb2ce07fc4.1.2-0.20171004201910-6be8113eb60· Vendor fix available
    Issue
    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.

    Recommended action: Upgrade to 4.3.0, 4.2.1-0.20171004194140-6d3cb2ce07fc (pre-release) or 4.1.2-0.20171004201910-6be8113eb60 (pre-release) by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  9. Medium, CVSS 6.1GoPublished

    Mattermost Server is vulnerable to XSS via a Legal or Support setting

    CVE-2016-11073 · GHSA-9jrx-fgrm-96qh

    Affected
    • Go github.com/mattermost/mattermost-server < 3.0.0
    Fixed in
    3.0.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.0.0. It allows XSS via a Legal or Support setting.

    Recommended action: Upgrade to 3.0.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  10. Medium, CVSS 4.9GoPublished

    Mattermost Server exposes sensitive information via its System Console UI

    CVE-2016-11078 · GHSA-9w4v-9c99-hv7r

    Affected
    • Go github.com/mattermost/mattermost-server < 3.0.0
    Fixed in
    3.0.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.0.0. It potentially allows attackers to obtain sensitive information (credential fields within config.json) via the System Console UI.

    Recommended action: Upgrade to 3.0.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  11. Medium, CVSS 5.4GoPublished

    Mattermost Server is vulnerable to XSS through customizable theme color-code values

    CVE-2016-11070 · GHSA-h8qw-xqm9-q66j

    Affected
    • Go github.com/mattermost/mattermost-server < 3.1.0
    Fixed in
    3.1.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.1.0. It allows XSS via theme color-code values.

    Recommended action: Upgrade to 3.1.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  12. High, CVSS 8.7GoPublished

    Mattermost Server: initial_load API exposes unnecessary information

    CVE-2016-11066 · GHSA-r93j-3mmp-px57

    Affected
    • Go github.com/mattermost/mattermost-server < 3.1.1
    Fixed in
    3.1.1· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.1.1. The initialload API disclosed unnecessary personal information.

    Recommended action: Upgrade to 3.1.1 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  13. High, CVSS 7.5GoPublished

    Mattermost Server does not check if cookies are used over SSL

    CVE-2016-11076 · GHSA-379p-37xc-q963

    Affected
    • Go github.com/mattermost/mattermost-server < 3.0.0
    Fixed in
    3.0.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.0.0. It does not ensure that a cookie is used over SSL.

    Recommended action: Upgrade to 3.0.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  14. Medium, CVSS 6.1GoPublished

    Mattermost Server is vulnerable to XSS through lack of link relationship attributes noreferrer and noopener

    CVE-2016-11071 · GHSA-h3qg-w9j5-wh3m

    Affected
    • Go github.com/mattermost/mattermost-server < 3.1.0
    Fixed in
    3.1.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.1.0. It allows XSS because the noreferrer and noopener protection mechanisms were not in place.

    Recommended action: Upgrade to 3.1.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  15. Medium, CVSS 6.5GoPublished

    Mattermost Server's Session ID and Session Token are potentially compromised

    CVE-2016-11072 · GHSA-43m6-wvc8-2m7j

    Affected
    • Go github.com/mattermost/mattermost-server < 3.0.2
    Fixed in
    3.0.2· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.0.2. The purposes of a session ID and a Session Token were mishandled.

    Recommended action: Upgrade to 3.0.2 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  16. High, CVSS 8.0GoPublished

    Mattermost Server: Insufficient Password-Reset Link Invalidation

    CVE-2016-11074 · GHSA-j26g-95ph-2mwv

    Affected
    • Go github.com/mattermost/mattermost-server < 3.0.0
    Fixed in
    3.0.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.0.0. A password-reset link could be reused.

    Recommended action: Upgrade to 3.0.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  17. Medium, CVSS 5.3GoPublished

    Mattermost Server exposes sensitive information about team URLs via an API

    CVE-2016-11075 · GHSA-q3g9-hgrx-hwhx

    Affected
    • Go github.com/mattermost/mattermost-server < 2.0.1-0.20160310160916-26ad6d2c7696
    Fixed in
    2.0.1-0.20160310160916-26ad6d2c7696· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.0.0. It allows attackers to obtain sensitive information about team URLs via an API.

    Recommended action: Upgrade to 2.0.1-0.20160310160916-26ad6d2c7696 (pre-release) or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  18. High, CVSS 7.5GoPublished

    Mattermost Server does not enforce rate limits on password change attempts

    CVE-2016-11069 · GHSA-qrf6-h5fc-7m96

    Affected
    • Go github.com/mattermost/mattermost-server < 3.2.0
    Fixed in
    3.2.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.2.0. It mishandles brute-force attempts at password change.

    Recommended action: Upgrade to 3.2.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  19. Medium, CVSS 5.3GoPublished

    Mattermost Server is vulnerable to Code Injection through its LDAP fields

    CVE-2016-11068 · GHSA-7vmw-6c7h-rrrv

    Affected
    • Go github.com/mattermost/mattermost-server < 3.2.0
    Fixed in
    3.2.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.2.0. Attackers could read LDAP fields via injection.

    Recommended action: Upgrade to 3.2.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  20. Medium, CVSS 5.3GoPublished

    Mattermost Server is vulnerable to Uncontrolled Resource Consumption

    CVE-2016-11067 · GHSA-ffcc-qr2v-3qmv

    Affected
    • Go github.com/mattermost/mattermost-server < 3.2.0
    Fixed in
    3.2.0· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.2.0. It allowed crafted posts that could cause a web browser to hang.

    Recommended action: Upgrade to 3.2.0 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →
  21. Medium, CVSS 5.3GoPublished

    Mattermost Server vulnerable to Cross-site Scripting through file preview feature

    CVE-2016-11063 · GHSA-cffj-7w5c-jqjh

    Affected
    • Go github.com/mattermost/mattermost-server < 3.5.1
    Fixed in
    3.5.1· Vendor fix available
    Issue
    An issue was discovered in Mattermost Server before 3.5.1. XSS can occur via file preview.

    Recommended action: Upgrade to 3.5.1 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.

    Sources:github.comSource checked Evidence →