GHSA-m53v-5x5x-5m2p CVE-2022-43687
Concrete CMS vulnerable to Session Fixation
- Severity
- 5.4 / 10
- Medium · CVSS 3.1
- Exploit chance (EPSS)
- 0.64%
- Chance of exploitation in the next 30 days. Higher than 50.91% of scored vulnerabilities.
- Known exploited
- No
- Not in CISA's catalog
- Weakness
- CWE-384 Session Fixation
- Fix
8.5.10- Upgrade concrete5/concrete5 to this version or later
Description
Concrete CMS (formerly concrete5) below 8.5.10 and between 9.0.0 and 9.1.2 does not issue a new session ID upon successful OAuth authentication. Remediate by updating to Concrete CMS 9.1.3+ or 8.5.10+.
Affected versions
Packagist
| Package | Vulnerable | Fixed in |
|---|---|---|
| concrete5/concrete5 | < 8.5.10 |
8.5.10 |
| concrete5/concrete5 | >= 9.0.0, < 9.1.3 |
9.1.3 |
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.
concrete5/concrete5 Packagist → 8.5.10
- composer
composer require concrete5/concrete5:^8.5.10
Severity breakdown
CVSS 3.1 5.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Weakness
CWE-384: Session Fixation
Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.
How to prevent it
- Architecture and Design: Invalidate any existing session identifiers prior to authorizing a new user session.
- Architecture and Design: For platforms such as ASP that do not generate new values for sessionid cookies, utilize a secondary cookie. In this approach, set a secondary cookie on the user's browser to a random value and set a session variable to the same value. If the session variable and the cookie value ever don't match, invalidate the session, and force the user to log on again.
- Operation: Use an application firewall that can detect attacks against this weakness. It can be beneficial in cases in which the code cannot be fixed (because it is controlled by a third party), as an emergency prevention measure while more comprehensive software assurance measures are applied, or to provide defense in depth [REF-1481].
References
Advisories
Packages
Other links
- documentation.concretecms.org/developers/introduction/version-history/8510-release-notes
- documentation.concretecms.org/developers/introduction/version-history/913-release-notes
- github.com/concretecms/concretecms/releases/8.5.10
- github.com/concretecms/concretecms/releases/9.1.3
- concretecms.org/about/project-news/security/concrete-cms-security-advisory-2022-10-31
Timeline
- Published
- Last updated by the source
- Latest EPSS score
Related advisories
| Advisory | Severity | Why it's related |
|---|---|---|
| GHSA-g82f-9pw7-773w Concrete CMS: PHP Object Injection via unserialize() calls | High | Also affects concrete5/concrete5 |
| GHSA-52pr-7vmf-2w7x Concrete CMS is vulnerable to PHP Object Injection via unserialize() calls in the Workflow, Form block, and File/Set components | High | Also affects concrete5/concrete5 |
| GHSA-q9fm-mpg8-8jqm Concrete CMS is vulnerable to Stored XSS via page name in the Atomik theme | Medium | Also affects concrete5/concrete5 |
| GHSA-jqvq-gv67-3567 Concrete CMS is vulnerable to IDOR + wrong-authorization-level in the Express association Reorder dialog | Medium | Also affects concrete5/concrete5 |
| GHSA-xjg6-5v39-v7fc Concrete CMS is vulnerable to CSRF via Backend\File::approveVersion | Medium | Also affects concrete5/concrete5 |
| GHSA-44q4-354f-c826 Concrete CMS is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file approveVersion() | Medium | Also affects concrete5/concrete5 |
| GHSA-6qjh-p324-694f Concrete CMS is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file rescanMultiple() | High | Also affects concrete5/concrete5 |
| GHSA-6fxm-r8p3-mx5c Concrete CMS is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/backend/file rescan() | High | Also affects concrete5/concrete5 |
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