GHSA-mhfv-9h99-jwg7 CVE-2018-0503
Mediawiki Improper Privilege Management
- Severity
- 4.3 / 10
- Medium · CVSS 3.0
- Exploit chance (EPSS)
- 1.56%
- Chance of exploitation in the next 30 days. Higher than 75.23% of scored vulnerabilities.
- Known exploited
- No
- Not in CISA's catalog
- Weakness
- CWE-269 Improper Privilege Management
- Fix
1.27.5- Upgrade mediawiki/core to this version or later
Description
Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.
Affected versions
Packagist
| Package | Vulnerable | Fixed in |
|---|---|---|
| mediawiki/core | >= 1.27.0, < 1.27.5 |
1.27.5 |
| mediawiki/core | >= 1.29.0, < 1.29.3 |
1.29.3 |
| mediawiki/core | >= 1.30.0, < 1.30.1 |
1.30.1 |
| mediawiki/core | >= 1.31.0, < 1.31.1 |
1.31.1 |
How to fix
Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.
mediawiki/core Packagist → 1.27.5
- composer
composer require mediawiki/core:^1.27.5
Severity breakdown
CVSS 3.0 4.3
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Weakness
CWE-269: Improper Privilege Management
The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.
How to prevent it
- Architecture and Design, Operation: Very carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.
- Architecture and Design: Follow the principle of least privilege when assigning access rights to entities in a software system.
- Architecture and Design: Consider following the principle of separation of privilege. Require multiple conditions to be met before permitting access to a system resource.
References
Advisories
Packages
Other links
- access.redhat.com/errata/RHSA-2019:3142
- access.redhat.com/errata/RHSA-2019:3238
- access.redhat.com/errata/RHSA-2019:3813
- github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2018…
- lists.wikimedia.org/pipermail/wikitech-l/2018-September/090849.html
- phabricator.wikimedia.org/T169545
- debian.org/security/2018/dsa-4301
- securitytracker.com/id/1041695
Timeline
- Published
- Last updated by the source
- Latest EPSS score
Related advisories
| Advisory | Severity | Why it's related |
|---|---|---|
| GHSA-w5fx-cx7f-6vr9 MediaWiki Denial of Service vulnerability | High | Also affects mediawiki/core |
| GHSA-5vj8-g3qg-4qh6 X-Forwarded-For header allows brute-forcing autoblocked IP addresses | Critical | Also affects mediawiki/core |
| GHSA-c8wv-qwwc-6j73 MediaWiki allows a denial of service | Medium | Also affects mediawiki/core |
| GHSA-rqvj-fc2x-99q6 OATHAuth extension in MediaWiki is not implementing rate limit | High | Also affects mediawiki/core |
| GHSA-c4rj-wrmq-52rj MediaWiki Special:UserRights exposes the existence of hidden users | Medium | Also affects mediawiki/core |
| GHSA-h8qx-mj6v-2934 MediaWiki Cross-site Scripting (XSS) vulnerability | Medium | Also affects mediawiki/core |
| GHSA-4vr7-m8p8-434h MediaWiki Cross-site Scripting (XSS) vulnerability | Medium | Also affects mediawiki/core |
| GHSA-2f58-vf6g-6p8x MediaWiki Cross-site Scripting (XSS) vulnerability | Medium | Also affects mediawiki/core |
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