critical9.1
CVE-2021-4406
An authenticated attacker is able to create alerts that trigger a stored XSS attack.
Impact
An authenticated attacker is able to create alerts that trigger a stored XSS attack. POC * go to the alert manager * open the ITSM tab * add a webhook with the URL/service token value ' -h && id | tee /tmp/ttttttddddssss #' (whitespaces are tab characters) * click add * click apply * create a test alert * The test alert will run the command “id | tee /tmp/ttttttddddssss” as root. * after the test alert inspect /tmp/ttttttddddssss it'll contain the ids of the root user.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Osnexus | Quantastor | before 6.0.0.355 |
Weakness classification
References
- NVD record
- CVE.org record
- https://csirt.divd.nl/CVE-2021-4406
- https://csirt.divd.nl/DIVD-2021-00020/
- https://www.osnexus.com/products/software-defined-storage
- https://csirt.divd.nl/CVE-2021-4406
- https://www.divd.nl/DIVD-2021-00020
- https://www.osnexus.com/products/software-defined-storage
- https://csirt.divd.nl/cves/CVE-2021-4406/