by Kastro
Paper/Archive/CVE-2022-41912

CVE-2022-41912

crewjam saml — crewjam/saml go library is vulnerable to signature bypass via multiple Assertion elements

EPSS 2%CVSS 9.8
critical.is priorityof 100
46
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 83.5.835 × 2016.7No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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 been corrected in version 0.4.9. There are no workarounds other than upgrading to a fixed version.

Affected

ProductAffectedFixed inSource
saml< 0.4.9–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub_M (CNA)9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/crewjam/saml/security/advisories/GHSA-j2jp-wvqg-wc2grefgithub.com/crewjam/saml/commit/aee3fb1edeeaf1088fcb458727e0fd863d277f8brefpacketstormsecurity.com/files/170356/crewjam-saml-Signature-Bypass.html