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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2022-41912US | critical9.8 | — | ||
The crewjam/saml go library prior to version 0.4.9 is vulnerable to an authentication bypass when processing SAML responses containing multiple Assertion elements. This issue has b… | ||||
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references
External citations — patches, advisories, analysis.
- http://packetstormsecurity.com/files/170356/crewjam-saml-Signature-Bypass.htmlWEB
- https://github.com/crewjam/samlPACKAGE
- https://github.com/crewjam/saml/commit/aee3fb1edeeaf1088fcb458727e0fd863d277f8bWEB
- https://github.com/crewjam/saml/releases/tag/v0.4.9WEB
- https://github.com/crewjam/saml/security/advisories/GHSA-j2jp-wvqg-wc2gWEB
- https://github.com/prometheus/exporter-toolkit/security/advisories/GHSA-7rg2-cxvp-9p7pWEB
- https://nvd.nist.gov/vuln/detail/CVE-2022-41912ADVISORY
- https://pkg.go.dev/vuln/GO-2022-1129WEB
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