cvelist/2022/26xxx/CVE-2022-26477.json

{
    "CVE_data_meta": {
        "ASSIGNER": "security@apache.org",
        "ID": "CVE-2022-26477",
        "STATE": "PUBLIC",
        "TITLE": "Denial of service in readExternal method"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Apache SystemDS",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "2.2.2"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Apache Software Foundation"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Apache SystemDS is like to thank Apache Security Team for reporting this issue."
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The Security Team noticed that the termination condition of the for loop in the readExternal method is a controllable variable, which, if tampered with, may lead to CPU exhaustion. As a fix, we added an upper bound and termination condition in the read and write logic. We classify it as a \"low-priority but useful improvement\". SystemDS is a distributed system and needs to serialize/deserialize data but in many code paths (e.g., on Spark broadcast/shuffle or writing to sequence files) the byte stream is anyway protected by additional CRC fingerprints. In this particular case though, the number of decoders is upper-bounded by twice the number of columns, which means an attacker would need to modify two entries in the byte stream in a consistent manner. By adding these checks robustness was strictly improved with almost zero overhead. These code changes are available in versions higher than 2.2.1."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": [
        {}
    ],
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-400 Uncontrolled Resource Consumption"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "url": "https://lists.apache.org/thread/r4x2d2r6d4zykdrrx6s2l4qbxgzws0z3",
                "name": "https://lists.apache.org/thread/r4x2d2r6d4zykdrrx6s2l4qbxgzws0z3"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20220812-0003/",
                "url": "https://security.netapp.com/advisory/ntap-20220812-0003/"
            }
        ]
    },
    "source": {
        "discovery": "UNKNOWN"
    }
}