cvelist/2023/43xxx/CVE-2023-43798.json

{
    "data_version": "4.0",
    "data_type": "CVE",
    "data_format": "MITRE",
    "CVE_data_meta": {
        "ID": "CVE-2023-43798",
        "ASSIGNER": "security-advisories@github.com",
        "STATE": "PUBLIC"
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "BigBlueButton is an open-source virtual classroom. BigBlueButton prior to versions 2.6.12 and 2.7.0-rc.1 is vulnerable to Server-Side Request Forgery (SSRF). This issue is a bypass of CVE-2023-33176. A patch in versions 2.6.12 and 2.7.0-rc.1 disabled follow redirect at `httpclient.execute` since the software no longer has to follow it when using `finalUrl`. There are no known workarounds. We recommend upgrading to a patched version of BigBlueButton."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-918: Server-Side Request Forgery (SSRF)",
                        "cweId": "CWE-918"
                    }
                ]
            }
        ]
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "bigbluebutton",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "bigbluebutton",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "=",
                                            "version_value": "< 2.6.12"
                                        },
                                        {
                                            "version_affected": "=",
                                            "version_value": ">= 2.7.0-alpha.1, < 2.7.0-rc.1"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "references": {
        "reference_data": [
            {
                "url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-h98v-2h8w-99c4",
                "refsource": "MISC",
                "name": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-h98v-2h8w-99c4"
            },
            {
                "url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3q22-hph2-cff7",
                "refsource": "MISC",
                "name": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3q22-hph2-cff7"
            },
            {
                "url": "https://github.com/bigbluebutton/bigbluebutton/pull/18494",
                "refsource": "MISC",
                "name": "https://github.com/bigbluebutton/bigbluebutton/pull/18494"
            },
            {
                "url": "https://github.com/bigbluebutton/bigbluebutton/pull/18580",
                "refsource": "MISC",
                "name": "https://github.com/bigbluebutton/bigbluebutton/pull/18580"
            }
        ]
    },
    "source": {
        "advisory": "GHSA-h98v-2h8w-99c4",
        "discovery": "UNKNOWN"
    },
    "impact": {
        "cvss": [
            {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "LOW",
                "baseScore": 5.6,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "LOW",
                "integrityImpact": "LOW",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L",
                "version": "3.1"
            }
        ]
    }
}