Javascript in disclaimer
| Advisory ID | CVE Number | Date discovered | Severity | Advisory revision |
|---|---|---|---|---|
| STORM-2020-011 | CVE-2020-11711 | 04/03/2020 | low | v2 |
Vulnerability details
Javascript can be inserted in the login disclaimer.
Stormshield is pleased to thank DIGITEMIS for reporting this issue under responsible disclosure.
Impacted products
| Products | Severity | Detail |
|---|---|---|
| Stormshield Network Security | low | SNS is impacted |
Revisions
| Version | Date | Description |
|---|---|---|
| v1 | Initial release | |
| v2 | 09/10/2020 | Precision about Digitemis |
Stormshield Network Security |
CVSS v2 Overall Score: 1.8
|
Analysis |
Impacted version |
|
An administrator with right access can configure a login disclaimer with malicious Javascript elements that can result in data stealth. |
|
Workaround solution |
Solution |
|
If no login disclaimer is configured in the SNS you are not impacted. Ensure that administrators of the SNS with right access are trusted persons. Perform a review of the code of your “login disclamer”. |
3.7.13, 3.11.0, 4.1.1 updates fix this vulnerability.
|
| Access vector | Access complexity | Authentication | Confidentiality impact | Integrity impact | Availability impact |
|---|---|---|---|---|---|
| Adjacent Network | Medium | Single | Partial | None | None |
| CVSS Base score: 2.3 | CVSS Vector: (AV:A/AC:M/Au:S/C:P/I:N/A:N) |
| Exploitability | Remediation Level | Report Confidence |
|---|---|---|
| Proof of concept code | Official fix | Confirmed |
| CVSS Temporal score: 1.8 | CVSS Vector: (AV:A/AC:M/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C) |
| Collateral Damage Potential | Target Distribution |
|---|---|
| None | High [76-100%] |
| CVSS Environmental score: 1.8 | CVSS Vector: (AV:A/AC:M/Au:S/C:P/I:N/A:N/E:POC/RL:OF/RC:C/CDP:N/TD:H/CR:ND/IR:ND/AR:ND) |