Tensorflow is an Open Source Machine Learning Framework. 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. The fix will be included in TensorFlow 2.8.0. This would result in a stack overflow during execution as resolving each `NodeDef` means resolving the function itself and its nodes. However, a `GraphDef` containing a fragment such as the following can be consumed when loading a `SavedModel`. The runtime assumes that this invariant is satisfied. The `GraphDef` format in TensorFlow does not allow self recursive functions. An attacker can control the `input_idx` variable such that `ix` would be larger than the number of values in `node_t.args`. TensorFlow's type inference can cause a heap out of bounds read as the bounds checking is done in a `DCHECK` (which is a no-op during production). If all shapes are scalar, then `maxRank` is 0, so we build an empty `SmallVector`. The `simplifyBroadcast` function in the MLIR-TFRT infrastructure in TensorFlow is vulnerable to a segfault (hence, denial of service), if called with scalar shapes.
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We will patch them as they are discovered. These issues have been discovered via fuzzing and it is possible that more weaknesses exist. Under certain scenarios, heap OOB read/writes are possible. If an attacker changes the `SavedModel` format on disk to invalidate these assumptions and the `GraphDef` is then converted to MLIR-based IR then they can cause a crash in the Python interpreter. The TFG dialect of TensorFlow (MLIR) makes several assumptions about the incoming `GraphDef` before converting it to the MLIR-based dialect. The following products are affected: Acronis Cyber Protect 15 (Windows) before build 28035, Acronis Agent (Windows) before build 27147, Acronis Cyber Protect Home Office (Windows) before build 39612, Acronis True Image 2021 (Windows) before build 39287 Published: Febru6:15:15 PM -0500Ĭross-Site Scripting (XSS) vulnerability discovered in Yasr – Yet Another Stars Rating WordPress plugin (versions config_proto` is `nullptr`. Local privilege escalation due to excessive permissions assigned to child processes. The following products are affected: Acronis Cyber Protect Home Office (macOS) before build 39605, Acronis True Image 2021 (macOS) before build 39287 Published: Febru6:15:16 PM -0500 Local privilege escalation due to race condition on application startup. Local privilege escalation due to unrestricted loading of unsigned libraries. V3.x:(not available) V2.0:(not available) Cross-site Scripting (XSS) - DOM in NPM karma prior to 6.3.14.
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