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TensorFlow is an end-to-end open source platform for machine learning. In affected versions the strided slice implementation in TFLite has a logic bug which can allow an attacker to trigger an infinite loop. This arises from newly introduced support for [ellipsis in axis definition](https://github.com/tensorflow/tensorflow/blob/149562d49faa709ea80df1d99fc41d005b81082a/tensorflow/lite/kernels/strided_slice.cc#L103-L122). An attacker can craft a model such that `ellipsis_end_idx` is smaller than `i` (e.g., always negative). In this case, the inner loop does not increase `i` and the `continue` statement causes execution to skip over the preincrement at the end of the outer loop. We have patched the issue in GitHub commit dfa22b348b70bb89d6d6ec0ff53973bacb4f4695. TensorFlow 2.6.0 is the only affected version.
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NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.
Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.
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*cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:* versions from (including) 2.3.0 up to (excluding) 2.3.4
*cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:* versions from (including) 2.4.0 up to (excluding) 2.4.3
*cpe:2.3:a:google:tensorflow:2.5.0:*:*:*:*:*:*:*
*cpe:2.3:a:google:tensorflow:2.6.0:rc0:*:*:*:*:*:*
*cpe:2.3:a:google:tensorflow:2.6.0:rc1:*:*:*:*:*:*
*cpe:2.3:a:google:tensorflow:2.6.0:rc2:*:*:*:*:*:*
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CVSS V2
NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P)
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CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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Reference Type
https://github.com/tensorflow/tensorflow/commit/dfa22b348b70bb89d6d6ec0ff53973bacb4f4695 No Types Assigned
https://github.com/tensorflow/tensorflow/commit/dfa22b348b70bb89d6d6ec0ff53973bacb4f4695 Patch, Third Party Advisory
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Reference Type
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-mhhc-q96p-mfm9 No Types Assigned
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-mhhc-q96p-mfm9 Third Party Advisory
CPE Deprecation Remap by NIST8/17/2021 9:23:17 AM
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*cpe:2.3:a:tensorflow:tensorflow:*:*:*:*:*:*:*:* versions from (including) 2.5.0 from (including) 2.5.1
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*cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:* versions from (including) 2.5.0 from (including) 2.5.1
CPE Deprecation Remap by NIST8/17/2021 9:23:09 AM
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*cpe:2.3:a:tensorflow:tensorflow:*:*:*:*:*:*:*:* versions from (including) 2.4.0 from (including) 2.4.3
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*cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:* versions from (including) 2.4.0 from (including) 2.4.3
CPE Deprecation Remap by NIST8/17/2021 9:22:56 AM
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*cpe:2.3:a:tensorflow:tensorflow:*:*:*:*:*:*:*:* versions from (including) 2.3.0 from (including) 2.3.4
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*cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:* versions from (including) 2.3.0 from (including) 2.3.4
CPE Deprecation Remap by NIST8/17/2021 9:21:35 AM
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*cpe:2.3:a:tensorflow:tensorflow:2.6.0:rc0:*:*:*:*:*:*
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CPE Deprecation Remap by NIST8/17/2021 9:21:23 AM
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CPE Deprecation Remap by NIST8/17/2021 9:21:15 AM
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Quick Info
CVE Dictionary Entry: CVE-2021-37686 NVD
Published Date: 08/12/2021 NVD
Last Modified: 08/18/2021
Source: GitHub, Inc.