NN-2023:8-01
Session Fixation in Guardian/CMC before 22.6.2
Last update: 2024-09-19
| Advisory ID | NN-2023:8-01 |
|---|---|
| Topic | Session Fixation in Guardian/CMC before 22.6.2 |
| CWE Impact | CWE-384: Session Fixation |
| Issue date | 2023-08-09 |
| Affects | Guardian, CMC < v22.6.2 |
| CVE Name(s) | CVE-2023-24477 |
| CVSS Details | CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CVSS Score | 5.4 (CVSS v4.0) 7.0 (CVSS v3.1) |
| CVE Risk Level | Medium (CVSS v4.0) High (CVSS v3.1) |
| Risk Level for Nozomi customers | Medium |
Summary
In certain conditions, depending on timing and the usage of the Chrome web browser, Guardian/CMC versions before 22.6.2 do not always completely invalidate the user session upon logout. Thus an authenticated local attacker may gain acces to the original user's session.
Impact
Unauthorized access.
Affected Products
Guardian, CMC < v22.6.2
Workarounds and Mitigations
Adopt best practices that include closing the browser after a logout.
Solutions
Upgrade to v22.6.2, v23.0.0 or later.
Modification History
2023-08-09: Initial revision
2023-09-04: Minor updates to format and metadata to improve the CSAF implementation
2023-11-13: Migrated to CSAF VEX format
2023-11-16: CSAF vers improvements
2024-05-20: Added CVSS v4.0 scoring where applicable
2024-09-19: Revised the CVSS scoring
Related Links
Acknowledgements
We thank the following parties for their efforts:
- one of our Customers for reporting a bug, leading to Nozomi Networks confirming this issue
Contact
Nozomi Networks Product Security team can be reached at prodsec@nozominetworks.com.More contact details on the PSIRT page.