PT-2021-18277 · Google · Tensorflow

Yakun Zhang + 1 · Published 2021-05-14 · Updated 2024-03-06 · CVE-2021-29526

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: TensorFlow versions prior to 2.5.0 TensorFlow versions 2.4.2 and earlier TensorFlow versions 2.3.3 and earlier TensorFlow versions 2.2.3 and earlier TensorFlow versions 2.1.4 and earlier

Description: An attacker can trigger a division by 0 in tf.raw ops.Conv2D because the implementation does a division by a quantity that is controlled by the caller. This issue can be exploited by providing a specially crafted input to the tf.raw ops.Conv2D function, which can cause a division by zero error.

Recommendations: For TensorFlow versions prior to 2.5.0, update to version 2.5.0 or later to resolve the issue. For TensorFlow versions 2.4.2 and earlier, update to version 2.4.2 or later to resolve the issue. For TensorFlow versions 2.3.3 and earlier, update to version 2.3.3 or later to resolve the issue. For TensorFlow versions 2.2.3 and earlier, update to version 2.2.3 or later to resolve the issue. For TensorFlow versions 2.1.4 and earlier, update to version 2.1.4 or later to resolve the issue. As a temporary workaround, consider avoiding the use of the tf.raw ops.Conv2D function with untrusted input until a patch is available.

Exploit

Fix

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

BIT-TENSORFLOW-2021-29526

CVE-2021-29526

GHSA-4VF2-4XCG-65CX

PYSEC-2021-163

PYSEC-2021-454

PYSEC-2021-652

Affected Products

Tensorflow

References · 13

• 🔥 https://github.com/tensorflow/tensorflow/security/advisories/GHSA-4vf2-4xcg-65cx · Exploit
• https://github.com/tensorflow/tensorflow/commit/b12aa1d44352de21d1a6faaf04172d8c2508b42b · Patch
• https://osv.dev/vulnerability/PYSEC-2021-163 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2021-454 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-29526 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-4vf2-4xcg-65cx · Vendor Advisory
• https://osv.dev/vulnerability/BIT-tensorflow-2021-29526 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2021-652 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29526 · Security Note
• https://github.com/tensorflow/tensorflow · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-163.yaml · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-454.yaml · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-652.yaml · Note