An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager.
Patches
Users can upgrade to Alertmanager v0.2.51.
Workarounds
Users can setup a reverse proxy in front of the Alertmanager web server to forbid access to the /api/v1/alerts endpoint.
References
N/A
Release Notes
prometheus/alertmanager (github.com/prometheus/alertmanager)
### [`v0.25.1`](https://togithub.com/prometheus/alertmanager/releases/tag/v0.25.1): 0.25.1 / 2023-08-23
[Compare Source](https://togithub.com/prometheus/alertmanager/compare/v0.25.0...v0.25.1)
- \[SECURITY] Fix stored XSS via the /api/v1/alerts endpoint in the Alertmanager UI (CVE-2023-40577).
Configuration
📅 Schedule: Branch creation - "" (UTC), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
â™» Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
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This PR contains the following updates:
v0.25.0
->v0.25.1
GitHub Vulnerability Alerts
CVE-2023-40577
Impact
An attacker with the permission to perform POST requests on the /api/v1/alerts endpoint could be able to execute arbitrary JavaScript code on the users of Prometheus Alertmanager.
Patches
Users can upgrade to Alertmanager v0.2.51.
Workarounds
Users can setup a reverse proxy in front of the Alertmanager web server to forbid access to the /api/v1/alerts endpoint.
References
N/A
Release Notes
prometheus/alertmanager (github.com/prometheus/alertmanager)
### [`v0.25.1`](https://togithub.com/prometheus/alertmanager/releases/tag/v0.25.1): 0.25.1 / 2023-08-23 [Compare Source](https://togithub.com/prometheus/alertmanager/compare/v0.25.0...v0.25.1) - \[SECURITY] Fix stored XSS via the /api/v1/alerts endpoint in the Alertmanager UI (CVE-2023-40577).Configuration
📅 Schedule: Branch creation - "" (UTC), Automerge - At any time (no schedule defined).
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
â™» Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
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