{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-2617",
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "state": "PUBLISHED",
        "assignerShortName": "VulDB",
        "dateReserved": "2023-05-10T05:06:27.204Z",
        "datePublished": "2023-05-10T05:31:03.420Z",
        "dateUpdated": "2024-08-02T06:26:09.731Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
                "shortName": "VulDB",
                "dateUpdated": "2023-10-23T05:33:19.516Z"
            },
            "title": "OpenCV wechat_qrcode Module decoded_bit_stream_parser.cpp decodeByteSegment null pointer dereference",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-476",
                            "lang": "en",
                            "description": "CWE-476 NULL Pointer Dereference"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "OpenCV",
                    "product": "wechat_qrcode Module",
                    "versions": [
                        {
                            "version": "4.0",
                            "status": "affected"
                        },
                        {
                            "version": "4.1",
                            "status": "affected"
                        },
                        {
                            "version": "4.2",
                            "status": "affected"
                        },
                        {
                            "version": "4.3",
                            "status": "affected"
                        },
                        {
                            "version": "4.4",
                            "status": "affected"
                        },
                        {
                            "version": "4.5",
                            "status": "affected"
                        },
                        {
                            "version": "4.6",
                            "status": "affected"
                        },
                        {
                            "version": "4.7",
                            "status": "affected"
                        }
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A vulnerability classified as problematic was found in OpenCV wechat_qrcode Module up to 4.7.0. Affected by this vulnerability is the function DecodedBitStreamParser::decodeByteSegment of the file qrcode/decoder/decoded_bit_stream_parser.cpp. The manipulation leads to null pointer dereference. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-228547."
                },
                {
                    "lang": "de",
                    "value": "In OpenCV wechat_qrcode Module bis 4.7.0 wurde eine problematische Schwachstelle entdeckt. Betroffen ist die Funktion DecodedBitStreamParser::decodeByteSegment der Datei qrcode/decoder/decoded_bit_stream_parser.cpp. Dank der Manipulation mit unbekannten Daten kann eine null pointer dereference-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung. Als bestmögliche Massnahme wird Patching empfohlen."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "baseScore": 5.3,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV3_0": {
                        "version": "3.0",
                        "baseScore": 5.3,
                        "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "cvssV2_0": {
                        "version": "2.0",
                        "baseScore": 5,
                        "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P"
                    }
                }
            ],
            "timeline": [
                {
                    "time": "2023-05-10T00:00:00.000Z",
                    "lang": "en",
                    "value": "Advisory disclosed"
                },
                {
                    "time": "2023-05-10T00:00:00.000Z",
                    "lang": "en",
                    "value": "CVE reserved"
                },
                {
                    "time": "2023-05-10T02:00:00.000Z",
                    "lang": "en",
                    "value": "VulDB entry created"
                },
                {
                    "time": "2023-06-02T07:45:57.000Z",
                    "lang": "en",
                    "value": "VulDB entry last update"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Haoyu Chen",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Linkai Zheng",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "Liangyu Zhang",
                    "type": "finder"
                },
                {
                    "lang": "en",
                    "value": "NanoApe (VulDB User)",
                    "type": "analyst"
                }
            ],
            "references": [
                {
                    "url": "https://vuldb.com/?id.228547",
                    "tags": [
                        "vdb-entry",
                        "technical-description"
                    ]
                },
                {
                    "url": "https://vuldb.com/?ctiid.228547",
                    "tags": [
                        "signature",
                        "permissions-required"
                    ]
                },
                {
                    "url": "https://github.com/opencv/opencv_contrib/pull/3480",
                    "tags": [
                        "issue-tracking",
                        "patch"
                    ]
                },
                {
                    "url": "https://gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270",
                    "tags": [
                        "exploit"
                    ]
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-02T06:26:09.731Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://vuldb.com/?id.228547",
                        "tags": [
                            "vdb-entry",
                            "technical-description",
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://vuldb.com/?ctiid.228547",
                        "tags": [
                            "signature",
                            "permissions-required",
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://github.com/opencv/opencv_contrib/pull/3480",
                        "tags": [
                            "issue-tracking",
                            "patch",
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                    },
                    {
                        "url": "https://gist.github.com/GZTimeWalker/3ca70a8af2f5830711e9cccc73fb5270",
                        "tags": [
                            "exploit",
                            "x_transferred"
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                    }
                ]
            }
        ]
    }
}