medium5.5
CVE-2021-31232
The Alertmanager in CNCF Cortex before 1.8.1 has a local file disclosure vulnerability when -experimental.alertmanager.enable-api is used.
Impact
The Alertmanager in CNCF Cortex before 1.8.1 has a local file disclosure vulnerability when -experimental.alertmanager.enable-api is used. The HTTP basic auth password_file can be used as an attack vector to send any file content via a webhook. The alertmanager templates can be used as an attack vector to send any file content because the alertmanager can load any text file specified in the templates list.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linuxfoundation | Cortex | before 1.8.1 |
References
- NVD record
- CVE.org record
- https://community.grafana.com/c/security-announcements
- https://github.com/cortexproject/cortex
- https://github.com/cortexproject/cortex/pull/4129/files
- https://lists.cncf.io/g/cortex-users/message/50
- https://community.grafana.com/c/security-announcements
- https://github.com/cortexproject/cortex
- https://github.com/cortexproject/cortex/pull/4129/files
- https://lists.cncf.io/g/cortex-users/message/50