CVE-2022-21733

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Summary

CVECVE-2022-21733
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-02-03 12:15:00 UTC
Updated2022-02-09 03:11:00 UTC
DescriptionTensorflow is an Open Source Machine Learning Framework. The implementation of `StringNGrams` can be used to trigger a denial of service attack by causing an out of memory condition after an integer overflow. We are missing a validation on `pad_witdh` and that result in computing a negative value for `ngram_width` which is later used to allocate parts of the output. The fix will be included in TensorFlow 2.8.0. We will also cherrypick this commit on TensorFlow 2.7.1, TensorFlow 2.6.3, and TensorFlow 2.5.3, as these are also affected and still in supported range.

Risk And Classification

Problem Types: CWE-190

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Google Tensorflow 2.7.0 All All All
Application Google Tensorflow All All All All
Application Google Tensorflow All All All All

References

ReferenceSourceLinkTags
OOM due to integer overflow in `StringNGrams` · Advisory · tensorflow/tensorflow · GitHub CONFIRM github.com
Add a check for pad width to be a positive value. · tensorflow/tensorflow@f68fdab · GitHub MISC github.com
tensorflow/string_ngrams_op.cc at 5100e359aef5c8021f2e71c7b986420b85ce7b3d · tensorflow/tensorflow · GitHub MISC github.com
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