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XML External Entity (XXE) Injection Affecting express-saml2 package, versions *

Severity

 Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.1% (44th percentile)

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  • Snyk ID npm:express-saml2:20171002
  • published 22 Jan 2018
  • disclosed 2 Oct 2017
  • credit Unknown
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Introduced: 2 Oct 2017

CVE-2017-1000452 Open this link in a new tab
CWE-91 Open this link in a new tab

How to fix?

There is no fix version for express-saml2.

Overview

express-saml2 is a High-level API for Single Sign On (SAML 2.0).

Affected versions of this package are vulnerable to XML Injection attack.

An XML Signature Wrapping vulnerability exists in Samlify 2.2.0 and earlier, and in predecessor Express-saml2 which could allow attackers to impersonate arbitrary users.

CVSS Scores

version 3.1
Expand this section

Snyk

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    High
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High