{"containers": {"cna": {"affected": [{"product": "Apache SystemDS", "vendor": "Apache Software Foundation", "versions": [{"lessThan": "2.2.2", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "credits": [{"lang": "en", "value": "Apache SystemDS is like to thank Apache Security Team for reporting this issue."}], "descriptions": [{"lang": "en", "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."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2022-08-12T16:11:21.000Z", "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "shortName": "apache"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://lists.apache.org/thread/r4x2d2r6d4zykdrrx6s2l4qbxgzws0z3"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20220812-0003/"}], "source": {"discovery": "UNKNOWN"}, "title": "Denial of service in readExternal method", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"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": [{"name": "https://lists.apache.org/thread/r4x2d2r6d4zykdrrx6s2l4qbxgzws0z3", "refsource": "MISC", "url": "https://lists.apache.org/thread/r4x2d2r6d4zykdrrx6s2l4qbxgzws0z3"}, {"name": "https://security.netapp.com/advisory/ntap-20220812-0003/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20220812-0003/"}]}, "source": {"discovery": "UNKNOWN"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T05:03:32.880Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://lists.apache.org/thread/r4x2d2r6d4zykdrrx6s2l4qbxgzws0z3"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20220812-0003/"}]}]}, "cveMetadata": {"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "assignerShortName": "apache", "cveId": "CVE-2022-26477", "datePublished": "2022-06-27T17:15:18.000Z", "dateReserved": "2022-03-04T00:00:00.000Z", "dateUpdated": "2024-08-03T05:03:32.880Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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