Vulnerability · Published Nov 5, 2021 · Assigned by GitHub_M
CVE-2021-41206Incomplete validation of shapes in multiple TF ops
High 7.0
In plain English
A high-severity security flaw in tensorflow from tensorflow. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
TensorFlow is an open source platform for machine learning. In affected versions several TensorFlow operations are missing validation for the shapes of the tensor arguments involved in the call. Depending on the API, this can result in undefined behavior and segfault or `CHECK`-fail related crashes but in some scenarios writes and reads from heap populated arrays are also possible. We have discovered these issues internally via tooling while working on improving/testing GPU op determinism. As such, we don't have reproducers and there will be multiple fixes for these issues. These fixes will be included in TensorFlow 2.7.0. We will also cherrypick these commits on TensorFlow 2.6.1, TensorFlow 2.5.2, and TensorFlow 2.4.4, as these are also affected and still in supported range.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | tensorflow | 2.4.4, 2.5.2, 2.6.1 | PYSEC-2021-843 |
| PyPI | tensorflow | 2.6.1 | GHSA-pgcq-h79j-2f69 |
| PyPI | tensorflow | 2.5.2 | GHSA-pgcq-h79j-2f69 |
| PyPI | tensorflow | 2.4.4 | GHSA-pgcq-h79j-2f69 |
| PyPI | tensorflow-cpu | 2.5.2 | GHSA-pgcq-h79j-2f69 |
| PyPI | tensorflow-cpu | 2.4.4, 2.5.2, 2.6.1 | PYSEC-2021-845 |
| PyPI | tensorflow-cpu | 2.6.1 | GHSA-pgcq-h79j-2f69 |
| PyPI | tensorflow-cpu | 2.4.4 | GHSA-pgcq-h79j-2f69 |
| PyPI | tensorflow-gpu | 2.4.4, 2.5.2, 2.6.1 | PYSEC-2021-847 |
| PyPI | tensorflow-gpu | 2.6.1 | GHSA-pgcq-h79j-2f69 |
| PyPI | tensorflow-gpu | 2.5.2 | GHSA-pgcq-h79j-2f69 |
| PyPI | tensorflow-gpu | 2.4.4 | GHSA-pgcq-h79j-2f69 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| tensorflow | tensorflow | >= 2.6.0, < 2.6.1>= 2.5.0, < 2.5.2< 2.4.4 |
Weakness: CWE-354 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://github.com/tensorflow/tensorflow/security/advisories/GHSA-pgcq-h79j-2f69 x_refsource_CONFIRM
- https://github.com/tensorflow/tensorflow/commit/4d74d8a00b07441cba090a02e0dd9ed385145bf4 x_refsource_MISC
- https://github.com/tensorflow/tensorflow/commit/4dddb2fd0b01cdd196101afbba6518658a2c9e07 x_refsource_MISC
- https://github.com/tensorflow/tensorflow/commit/579261dcd446385831fe4f7457d802a59685121d x_refsource_MISC
- https://github.com/tensorflow/tensorflow/commit/68422b215e618df5ad375bcdc6d2052e9fd3080a x_refsource_MISC
- https://github.com/tensorflow/tensorflow/commit/da4aad5946be30e5f049920fa076e1f7ef021261 x_refsource_MISC
- https://github.com/tensorflow/tensorflow/commit/e7f497570abb6b4ae5af4970620cd880e4c0c904 x_refsource_MISC