Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1qMmpwLXd2cWctd2MyZ84AAwFN

crewjam/saml vulnerable to signature bypass via multiple Assertion elements due to improper authentication

Impact

The crewjam/saml go library is vulnerable to an authentication bypass when processing SAML responses containing multiple Assertion elements.

Patches

This issue has been corrected in version 0.4.9.

Credit

This issue was reported by Felix Wilhelm from Google Project Zero.

Permalink: https://github.com/advisories/GHSA-j2jp-wvqg-wc2g
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1qMmpwLXd2cWctd2MyZ84AAwFN
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 1 year ago
Updated: about 1 year ago

CVSS Score: 9.1
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Identifiers: GHSA-j2jp-wvqg-wc2g, CVE-2022-41912
References:

• https://github.com/crewjam/saml/security/advisories/GHSA-j2jp-wvqg-wc2g
• https://nvd.nist.gov/vuln/detail/CVE-2022-41912
• https://github.com/crewjam/saml/commit/aee3fb1edeeaf1088fcb458727e0fd863d277f8b
• https://github.com/crewjam/saml/releases/tag/v0.4.9
• http://packetstormsecurity.com/files/170356/crewjam-saml-Signature-Bypass.html
• https://github.com/prometheus/exporter-toolkit/security/advisories/GHSA-7rg2-cxvp-9p7p
• https://pkg.go.dev/vuln/GO-2022-1129
• https://github.com/advisories/GHSA-j2jp-wvqg-wc2g

Repository: https://github.com/crewjam/saml
Blast Radius: 26.0

Affected Packages