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CVE-2021-31999GHSA-PVXJ-25M6-7VQRGO-2024-2778

Rancher: Privilege escalation vulnerability via malicious Connection header

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 2.5.9, 2.4.16
None on Exploit-DB, Metasploit or GitHub

Summary

A Reliance on Untrusted Inputs in a Security Decision vulnerability in Rancher allows users in the cluster to act as others users in the cluster by forging the "Impersonate-User" or "Impersonate-Group" headers. This issue affects: Rancher versions prior to 2.5.9. Rancher versions prior to 2.4.16.

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Rancher Rancher

    From Rancher · fixed in 2.5.9

  • Rancher SUSE Linux Enterprise Server 15

    From Rancher · fixed in 2.4.16

  • github.com/rancher/rancherGo

    From 2.0.0 · fixed in 2.4.16

  • github.com/rancher/rancherGo

    From 2.5.0 · fixed in 2.5.9

  • github.com/rancher/rancherGo

    From 2.0.0+incompatible

References 1

bugzilla.suse.com