GHSA-497x-rrr9-68jp
Grafana Loki Path Traversal - CVE-2021-36156 Bypass
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Go | github.com/grafana/loki/v3 | < 3.6.4 | 3.6.4 |
Details
As written in the advisory (Markdown source, shown as plain text).
The CVE-2021-36156 fix validates the namespace parameter for path traversal sequences after a single URL decode, by double encoding, an attacker can read files at the Ruler API endpoint /loki/api/v1/rules/{namespace}
Thanks to Prasanth Sundararajan for reporting this vulnerability.
References
External links from the advisory. They lead to third-party sites.