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Database

Lack of data validation In tensorflow-cpu

Description

TensorFlow vulnerable to segfault in QuantizedMatMul

Impact

If QuantizedMatMul is given nonscalar input for:

    min_a

    max_a

    min_b

    max_b It gives a segfault that can be used to trigger a denial of service attack.

import tensorflow as tf

Toutput = tf.qint32
transpose_a = False
transpose_b = False
Tactivation = tf.quint8
a = tf.constant(7, shape=[3,4], dtype=tf.quint8)
b = tf.constant(1, shape=[2,3], dtype=tf.quint8)...

Patches

We have patched the issue in GitHub commit aca766ac7693bf29ed0df55ad6bfcc78f35e7f48.

The fix will be included in TensorFlow 2.10.0. We will also cherrypick this commit on TensorFlow 2.9.1, TensorFlow 2.8.1, and TensorFlow 2.7.2, as these are also affected and still in supported range.

For more information

Please consult our security guide for more information regarding the security model and how to contact us with issues and questions.

Attribution

This vulnerability has been reported by Neophytos Christou, Secure Systems Labs, Brown University.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem
Component
Affected version
Patched versions