GHSA-4hq8-gmxx-h6w9

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    GHSA-4hq8-gmxx-h6w9

    Published: 23 Jun 2021Last Modified: 10 Sept 2026

    Summary: XML Processing error in github.com/crewjam/saml

    Details: ### 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.

    References: https://github.com/crewjam/saml/security/advisories/GHSA-4hq8-gmxx-h6w9, https://nvd.nist.gov/vuln/detail/CVE-2020-27846, https://github.com/crewjam/saml/commit/da4f1a0612c0a8dd0452cf8b3c7a6518f6b4d053, https://bugzilla.redhat.com/show_bug.cgi?id=1907670, https://github.com/crewjam/saml, 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-enterprise, https://lists.fedoraproject.org/archives/list/[email protected]/message/3YUTKIRWT6TWU7DS6GF3EOANVQBFQZYI, https://lists.fedoraproject.org/archives/list/[email protected]/message/ICP3YRY2VUCNCF2VFUSK77ZMRIC77FEM, https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities, https://pkg.go.dev/vuln/GO-2021-0058, https://security.netapp.com/advisory/ntap-20210205-0002

    Affected packages

    Package

    Name: github.com/crewjam/saml

    Purl: pkg:golang/github.com/crewjam/saml

    Affected ranges

    Type: SEMVER

    Events:

    Introduced- 0
    Fixed -0.4.3

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    GHSA-4hq8-gmxx-h6w9 | CVE-DB