CVE-2021-37654

CVSS V2 Low 3.6 CVSS V3 High 7.1
Description
TensorFlow is an end-to-end open source platform for machine learning. In affected versions an attacker can trigger a crash via a `CHECK`-fail in debug builds of TensorFlow using `tf.raw_ops.ResourceGather` or a read from outside the bounds of heap allocated data in the same API in a release build. The [implementation](https://github.com/tensorflow/tensorflow/blob/f24faa153ad31a4b51578f8181d3aaab77a1ddeb/tensorflow/core/kernels/resource_variable_ops.cc#L660-L668) does not check that the `batch_dims` value that the user supplies is less than the rank of the input tensor. Since the implementation uses several for loops over the dimensions of `tensor`, this results in reading data from outside the bounds of heap allocated buffer backing the tensor. We have patched the issue in GitHub commit bc9c546ce7015c57c2f15c168b3d9201de679a1d. The fix will be included in TensorFlow 2.6.0. We will also cherrypick this commit on TensorFlow 2.5.1, TensorFlow 2.4.3, and TensorFlow 2.3.4, as these are also affected and still in supported range.
Overview
  • CVE ID
  • CVE-2021-37654
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-08-12T21:15:08
  • Last Modified Date
  • 2021-08-18T14:30:08
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:* 1 OR 2.3.0 2.3.4
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:* 1 OR 2.4.0 2.4.3
cpe:2.3:a:google:tensorflow:2.5.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:google:tensorflow:2.6.0:rc0:*:*:*:*:*:* 1 OR
cpe:2.3:a:google:tensorflow:2.6.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:google:tensorflow:2.6.0:rc2:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:N/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 3.6
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.1
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.2
History
Created Old Value New Value Data Type Notes
2022-05-10 06:56:48 Added to TrackCVE
2022-12-05 08:07:34 2021-08-12T21:15Z 2021-08-12T21:15:08 CVE Published Date updated
2022-12-05 08:07:34 2021-08-18T14:30:08 CVE Modified Date updated
2022-12-05 08:07:34 Analyzed Vulnerability Status updated