PT-2021-18368 · Google · Tensorflow

Mihaimaruseac · Published 2021-05-14 · Updated 2024-03-06 · CVE-2021-29617

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 cause a denial of service via CHECK-fail in tf.strings.substr with invalid arguments. This issue can be exploited by passing invalid arguments to the tf.strings.substr function, such as pos=[1,-1] or pos=[1,2].

Recommendations For versions prior to 2.5.0, update to TensorFlow 2.5.0 or later. For versions 2.4.2 and earlier, update to TensorFlow 2.4.2 or later. For versions 2.3.3 and earlier, update to TensorFlow 2.3.3 or later. For versions 2.2.3 and earlier, update to TensorFlow 2.2.3 or later. For versions 2.1.4 and earlier, update to TensorFlow 2.1.4 or later. As a temporary workaround, consider avoiding the use of the tf.strings.substr function with invalid arguments until a patch is available.

Exploit

Fix

Improper Handling of Exceptional Conditions

Weakness Enumeration

CWE-755

Related Identifiers

BIT-TENSORFLOW-2021-29617

CVE-2021-29617

GHSA-MMQ6-Q8R3-48FM

PYSEC-2021-254

PYSEC-2021-545

PYSEC-2021-743

Affected Products

Tensorflow

References · 16

• 🔥 https://github.com/tensorflow/tensorflow/security/advisories/GHSA-mmq6-q8r3-48fm · Exploit
• https://github.com/tensorflow/tensorflow/commit/890f7164b70354c57d40eda52dcdd7658677c09f · Patch
• https://osv.dev/vulnerability/GHSA-mmq6-q8r3-48fm · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2021-254 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29617 · Security Note
• https://osv.dev/vulnerability/PYSEC-2021-743 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-29617 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-tensorflow-2021-29617 · Vendor Advisory
• https://osv.dev/vulnerability/PYSEC-2021-545 · Vendor Advisory
• https://github.com/tensorflow/tensorflow · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow/PYSEC-2021-254.yaml · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-cpu/PYSEC-2021-545.yaml · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/tensorflow-gpu/PYSEC-2021-743.yaml · Note
• ❌ https://github.com/tensorflow/issues/46974 · Note, Deleted
• ❌ https://github.com/tensorflow/issues/46900 · Note, Deleted