Authentication Bypass

Affecting github.com/tyktechnologies/tyk-identity-broker package, versions <1.1.1

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Overview

Affected versions of this package are vulnerable to Authentication Bypass via the Go XML parser which can cause SAML authentication bypass. This is because the XML parser doesn’t guarantee integrity in the XML round-trip (encoding/decoding XML data).

Remediation

Upgrade github.com/TykTechnologies/tyk-identity-broker to version 1.1.1 or higher.

References

CVSS Score

4.8
medium severity
  • Attack Vector
    Network
  • Attack Complexity
    High
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    Low
  • Integrity
    Low
  • Availability
    None
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Credit
Sredny M.
CVE
CVE-2021-23365
CWE
CWE-287
Snyk ID
SNYK-GOLANG-GITHUBCOMTYKTECHNOLOGIESTYKIDENTITYBROKER-1089720
Disclosed
30 Mar, 2021
Published
22 Apr, 2021