{
"id": "GHSA-mv78-g7wq-mhp4",
"aliases": [
"CVE-2021-29585"
],
"details": "### Impact\nThe TFLite computation for size of output after padding, [`ComputeOutSize`](https://github.com/tensorflow/tensorflow/blob/0c9692ae7b1671c983569e5d3de5565843d500cf/tensorflow/lite/kernels/padding.h#L43-L55), does not check that the `stride` argument is not 0 before doing the division.\n\n```cc\ninline int ComputeOutSize(TfLitePadding padding, int image_size,\n int filter_size, int stride, int dilation_rate = 1) {\n int effective_filter_size = (filter_size - 1) * dilation_rate + 1;\n switch (padding) {\n case kTfLitePaddingSame:\n return (image_size + stride - 1) / stride;\n case kTfLitePaddingValid:\n return (image_size + stride - effective_filter_size) / stride;\n default:\n return 0;\n }\n}\n```\n \nUsers can craft special models such that `ComputeOutSize` is called with `stride` set to 0.\n\n### Patches\nWe have patched the issue in GitHub commit [49847ae69a4e1a97ae7f2db5e217c77721e37948](https://github.com/tensorflow/tensorflow/commit/49847ae69a4e1a97ae7f2db5e217c77721e37948).\n\nThe fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow 2.3.3, TensorFlow 2.2.3 and TensorFlow 2.1.4, as these are also affected and still in supported range.\n\n### For more information\nPlease consult [our security guide](https://github.com/tensorflow/tensorflow/blob/master/SECURITY.md) for more information regarding the security model and how to contact us with issues and questions.\n\n### Attribution\nThis vulnerability has been reported by members of the Aivul Team from Qihoo 360.",
"summary": "Division by zero in padding computation in TFLite",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "2.1.4"
}
]
}
],
"package": {
"name": "tensorflow",
"ecosystem": "PyPI"
}
},
{
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}
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}
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"name": "tensorflow",
"ecosystem": "PyPI"
}
},
{
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{
"introduced": "2.3.0"
},
{
"fixed": "2.3.3"
}
]
}
],
"package": {
"name": "tensorflow",
"ecosystem": "PyPI"
}
},
{
"ranges": [
{
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"events": [
{
"introduced": "2.4.0"
},
{
"fixed": "2.4.2"
}
]
}
],
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"name": "tensorflow",
"ecosystem": "PyPI"
}
},
{
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"events": [
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]
}
],
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"name": "tensorflow-cpu",
"ecosystem": "PyPI"
}
},
{
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"events": [
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]
}
],
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"name": "tensorflow-cpu",
"ecosystem": "PyPI"
}
},
{
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"events": [
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"ecosystem": "PyPI"
}
},
{
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{
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}
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"ecosystem": "PyPI"
}
},
{
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"events": [
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"name": "tensorflow-gpu",
"ecosystem": "PyPI"
}
},
{
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"events": [
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"ecosystem": "PyPI"
}
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}
]
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],
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"name": "tensorflow-gpu",
"ecosystem": "PyPI"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
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"introduced": "2.4.0"
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"fixed": "2.4.2"
}
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],
"package": {
"name": "tensorflow-gpu",
"ecosystem": "PyPI"
}
}
],
"modified": "2024-11-13T16:00:45Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
}
],
"published": "2021-05-21T14:26:41Z",
"references": [
{
"url": "https://github.com/tensorflow/tensorflow/security/advisories/GHSA-mv78-g7wq-mhp4",
"type": "WEB"
},
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29585",
"type": "ADVISORY"
},
{
"url": "https://github.com/tensorflow/tensorflow/commit/49847ae69a4e1a97ae7f2db5e217c77721e37948",
"type": "WEB"
},
{
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-513.yaml",
"type": "WEB"
},
{
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-711.yaml",
"type": "WEB"
},
{
"url": "https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-222.yaml",
"type": "WEB"
},
{
"url": "https://github.com/tensorflow/tensorflow",
"type": "PACKAGE"
},
{
"url": "https://github.com/tensorflow/tensorflow/blob/0c9692ae7b1671c983569e5d3de5565843d500cf/tensorflow/lite/kernels/padding.h#L43-L55",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-369"
],
"severity": "LOW",
"github_reviewed": true,
"nvd_published_at": "2021-05-14T20:15:00Z",
"github_reviewed_at": "2021-05-18T17:18:34Z"
}
}