Impact
In eager mode, TensorFlow does not set the session state. Hence, calling tf.raw_ops.GetSessionHandle or tf.raw_ops.GetSessionHandleV2 results in a null pointer dereference:
|
int64 id = ctx->session_state()->GetNewId(); |
In the above snippet, in eager mode, ctx->session_state() returns nullptr. Since code immediately dereferences this, we get a segmentation fault.
Patches
We have patched the issue in 9a133d7 and will release patch releases for all versions between 1.15 and 2.3.
We recommend users to upgrade to TensorFlow 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.
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 members of the Aivul Team from Qihoo 360.
Impact
In eager mode, TensorFlow does not set the session state. Hence, calling
tf.raw_ops.GetSessionHandleortf.raw_ops.GetSessionHandleV2results in a null pointer dereference:tensorflow/tensorflow/core/kernels/session_ops.cc
Line 45 in 0e68f4d
In the above snippet, in eager mode,
ctx->session_state()returnsnullptr. Since code immediately dereferences this, we get a segmentation fault.Patches
We have patched the issue in 9a133d7 and will release patch releases for all versions between 1.15 and 2.3.
We recommend users to upgrade to TensorFlow 1.15.4, 2.0.3, 2.1.2, 2.2.1, or 2.3.1.
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 members of the Aivul Team from Qihoo 360.