CVEvulnerability
CVE-2019-11881
4.7 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-06-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 4.7 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
Description
A vulnerability exists in Rancher before 2.2.4 in the login component, where the errorMsg parameter can be tampered to display arbitrary content, filtering tags but not special characters or symbols. There's no other limitation of the message, allowing malicious users to lure legitimate users to visit phishing sites with scare tactics, e.g., displaying a "This version of Rancher is outdated, please visit https://malicious.rancher.site/upgrading" message.
Affected configurations
• suse rancher 2.1.4
References
- https://github.com/MauroEldritch/VanCleef Third Party Advisory
- https://github.com/rancher/rancher/blob/v2.2.4/pkg/auth/providers/saml/saml_client.go#L282 github.com
- https://github.com/rancher/rancher/commit/e59adbc7565251919d84d6e353421104be8da06e github.com
- https://github.com/rancher/rancher/issues/20216 Exploit, Issue Tracking, Third Party Advisory
- https://github.com/MauroEldritch/VanCleef Third Party Advisory
- https://github.com/rancher/rancher/issues/20216 Exploit, Issue Tracking, Third Party Advisory