XML Processing error in github.com/crewjam/saml
### Impact There are three vulnerabilities in the go `encoding/xml` package that can allow an attacker to forge part of a signed XML document. For details on this vulnerability see [xml-roundtrip-validator](https://github.com/mattermost/xml-roundtrip-validator) ### Patches In version 0.4.3, all XML input is validated prior to being parsed.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-27846US | critical9.8 | — | ||
A signature verification vulnerability exists in crewjam/saml. This flaw allows an attacker to bypass SAML Authentication. The highest threat from this vulnerability is to confiden… | ||||
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references
External citations — patches, advisories, analysis.
- https://bugzilla.redhat.com/show_bug.cgi?id=1907670WEB
- https://github.com/crewjam/samlPACKAGE
- https://github.com/crewjam/saml/commit/da4f1a0612c0a8dd0452cf8b3c7a6518f6b4d053WEB
- https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9WEB
- https://grafana.com/blog/2020/12/17/grafana-6.7.5-7.2.3-and-7.3.6-released-with-important-security-fix-for-grafana-enterpriseWEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYIWEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEMWEB
- https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilitiesWEB
scry
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