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GHSA-77fw-rf4v-vfp9

HighCVSS 8.1 / 10
Published Jun 21, 2023·Last modified Nov 8, 2023
Affected Components(0)

No affected components available

Description

Information

Please note that this is not a new disclosure, and is previously reported in our SECURITY-NOTICE.md which we removed in favor of github advisory.

Overview

This vulnerability allows an attacker to impersonate another user and potentially elevate their privileges if the SAML identity provider:

  • signs SAML response and signs assertion

  • does not sign SAML response and signs assertion

Am I affected?

You may be affected if you use SAML2 protocol with passport-wsfed-saml2 versions below 3.0.5 and your SAML identity Provider:

  1. signs SAML response and signs assertion; or
  2. does not sign SAML response and signs assertion

How do I fix it?

You may fix this vulnerability by upgrading your library to version 3.0.5 or above.

Will the fix impact my users?

This fix patches the library that your application runs, but will not impact your users, their current state, or any existing sessions.

Risk Scores
Base Score
8.1

The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
7.4

Exploitation activity has been observed. Apply available patches or mitigations urgently.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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