Open Redirect

Affecting github.com/pomerium/pomerium/proxy package, versions <0.13.4

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Overview

github.com/pomerium/pomerium/proxy is a Package proxy is a pomerium service that provides reverse proxying of internal routes.

Affected versions of this package are vulnerable to Open Redirect. Using programmatic access on protected sites, an attacker can get a signed login URL with pomerium_redirect_uri set to an arbitrary URL, which allows redirecting a victim to the attacker’s site, and a JWT leakage.

Remediation

Upgrade github.com/pomerium/pomerium/proxy to version 0.13.4 or higher.

References

CVSS Score

6.3
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    Low
  • User Interaction
    Required
  • Scope
    Unchanged
  • Confidentiality
    High
  • Integrity
    Low
  • Availability
    None
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Credit
cure53
CVE
CVE-2021-29651
CWE
CWE-200 CWE-601
Snyk ID
SNYK-GOLANG-GITHUBCOMPOMERIUMPOMERIUMPROXY-1090593
Disclosed
04 Apr, 2021
Published
04 Apr, 2021