CVE-2021-29622 - log back

CVE-2021-29622 edited at 19 May 2021 09:56:25
Severity
- Unknown
+ Medium
Remote
- Unknown
+ Remote
Type
- Unknown
+ Open redirect
Description
+ A security issue has been found in Prometheus before version 2.27.1. In 2.23.0, Prometheus changed its default UI to the New UI. To ensure a seamless transition, the URL's prefixed by /new redirect to /. Due to a bug in the code, it is possible for an attacker to craft an URL that can redirect to any other URL in the /new endpoint.
+
+ If a user visits a Prometheus server with a specially crafted address (e.g. http://127.0.0.1:9090/new/new<url>), they can be redirected to an arbitrary URL. E.g. if a user visits http://127.0.0.1:9090/new/newhttp://www.google.com/, they will be redirected to http://google.com.
+
+ Note: Users who use a --web.external-url= flag with a path (e.g. --web.external-url=http://example.com/prometheus) are not affected.
References
+ https://github.com/prometheus/prometheus/security/advisories/GHSA-vx57-7f4q-fpc7
+ https://github.com/prometheus/prometheus/commit/db7f0bcec27bd8aeebad6b08ac849516efa9ae02
Notes
CVE-2021-29622 created at 19 May 2021 09:54:08