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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLTdnZ3ctaDhwcC1yOTVy
October CMS Session ID not invalidated after logout
When logging out, the session ID was not invalidated. This is not a problem while the user is logged out, but as soon as the user logs back in the old session ID would be valid again; which means that anyone that gained access to the old session cookie would be able to act as the logged in user. This is not a major concern for the majority of cases, since it requires a malicious party gaining access to the session cookie in the first place, but nevertheless has been fixed.
Issue has been patched in Build 472 (v1.0.472) and v1.1.2.
Apply https://github.com/octobercms/library/commit/642f597489e6f644d4bd9a0c267e864cabead024 to your installation manually if unable to upgrade to Build 472 or v1.1.2.
- Reported by Anisio (Brazilian Information Security Analyst)
For more information
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Threat assessment:Permalink: https://github.com/advisories/GHSA-7ggw-h8pp-r95r
Source: GitHub Advisory Database
Published: over 2 years ago
Updated: 15 days ago
CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Identifiers: GHSA-7ggw-h8pp-r95r, CVE-2021-3311
Fixed in: 1.1.2, 1.0.472