CVE-2020-15129

medium

Description

In Traefik before versions 1.7.26, 2.2.8, and 2.3.0-rc3, there exists a potential open redirect vulnerability in Traefik's handling of the "X-Forwarded-Prefix" header. The Traefik API dashboard component doesn't validate that the value of the header "X-Forwarded-Prefix" is a site relative path and will redirect to any header provided URI. Successful exploitation of an open redirect can be used to entice victims to disclose sensitive information. Active Exploitation of this issue is unlikely as it would require active header injection, however the Traefik team addressed this issue nonetheless to prevent abuse in e.g. cache poisoning scenarios.

References

https://github.com/containous/traefik/security/advisories/GHSA-6qq8-5wq3-86rp

https://github.com/containous/traefik/releases/tag/v2.3.0-rc3

https://github.com/containous/traefik/releases/tag/v2.2.8

https://github.com/containous/traefik/releases/tag/v1.7.26

https://github.com/containous/traefik/pull/7109

https://github.com/containous/traefik/commit/e63db782c11c7b8bfce30be4c902e7ef8f9f33d2

Details

Source: Mitre, NVD

Published: 2020-07-30

Updated: 2021-07-28

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 4.7

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Severity: Medium