CVE-2022-29208 Segfault and Out-of-bounds Write write due to incomplete validation in TensorFlow

2022-05-2022:30:13

CWE-787

GitHub_M

www.cve.org

tensorflow

machine learning

incomplete validation

segmentation fault

denial of service

patch

CVSS3

7.1

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

AI Score

7.2

Confidence

High

EPSS

0.001

Percentile

40.1%

JSON

TensorFlow is an open source platform for machine learning. Prior to versions 2.9.0, 2.8.1, 2.7.2, and 2.6.4, the implementation of tf.raw_ops.EditDistance has incomplete validation. Users can pass negative values to cause a segmentation fault based denial of service. In multiple places throughout the code, one may compute an index for a write operation. However, the existing validation only checks against the upper bound of the array. Hence, it is possible to write before the array by massaging the input to generate negative values for loc. Versions 2.9.0, 2.8.1, 2.7.2, and 2.6.4 contain a patch for this issue.

CNA Affected

[
  {
    "product": "tensorflow",
    "vendor": "tensorflow",
    "versions": [
      {
        "status": "affected",
        "version": "< 2.6.4"
      },
      {
        "status": "affected",
        "version": ">= 2.7.0rc0, < 2.7.2"
      },
      {
        "status": "affected",
        "version": ">= 2.8.0rc0, < 2.8.1"
      },
      {
        "status": "affected",
        "version": ">= 2.9.0rc0, < 2.9.0"
      }
    ]
  }
]