{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2019-3877",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "uninett",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "mod_auth_mellon",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "v0.14.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-601"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3877",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3877",
                "refsource": "CONFIRM"
            },
            {
                "url": "https://github.com/Uninett/mod_auth_mellon/issues/35",
                "name": "https://github.com/Uninett/mod_auth_mellon/issues/35",
                "refsource": "CONFIRM"
            },
            {
                "url": "https://github.com/Uninett/mod_auth_mellon/commit/62041428a32de402e0be6ba45fe12df6a83bedb8",
                "name": "https://github.com/Uninett/mod_auth_mellon/commit/62041428a32de402e0be6ba45fe12df6a83bedb8",
                "refsource": "CONFIRM"
            },
            {
                "refsource": "UBUNTU",
                "name": "USN-3924-1",
                "url": "https://usn.ubuntu.com/3924-1/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2019-db1e9b3002",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CNW5YMC5TLWVWNJEY6AIWNSNPRAMWPQJ/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2019-2d8ee47f61",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X7NLAU7KROWNTHAYSA2S67X347F42L2I/"
            },
            {
                "refsource": "REDHAT",
                "name": "RHSA-2019:0766",
                "url": "https://access.redhat.com/errata/RHSA-2019:0766"
            },
            {
                "refsource": "REDHAT",
                "name": "RHSA-2019:3421",
                "url": "https://access.redhat.com/errata/RHSA-2019:3421"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A vulnerability was found in mod_auth_mellon before v0.14.2. An open redirect in the logout URL allows requests with backslashes to pass through by assuming that it is a relative URL, while the browsers silently convert backslash characters into forward slashes treating them as an absolute URL. This mismatch allows an attacker to bypass the redirect URL validation logic in apr_uri_parse function."
            }
        ]
    },
    "impact": {
        "cvss": [
            [
                {
                    "vectorString": "5.8/CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
                    "version": "3.0"
                }
            ]
        ]
    }
}