CVE-2021-29558 : TensorFlow is an end-to-end open source platform for machine learning. An attack

TensorFlow is an end-to-end open source platform for machine learning. An attacker can cause a heap buffer overflow in `tf.raw_ops.SparseSplit`. This is because the implementation(https://github.com/tensorflow/tensorflow/blob/699bff5d961f0abfde8fa3f876e6d241681fbef8/tensorflow/core/util/sparse/sparse_tensor.h#L528-L530) accesses an array element based on a user controlled offset. The fix will be included in TensorFlow 2.5.0. We will also cherrypick this commit on TensorFlow 2.4.2, TensorFlow 2.3.3, TensorFlow 2.2.3 and TensorFlow 2.1.4, as these are also affected and still in supported range.

Published 2021-05-14 20:15:13

Updated 2021-07-26 16:06:12

Source GitHub, Inc.

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2021-29558

Google » Tensorflow
Versions from including (>=) 2.3.0 and before (<) 2.3.3
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*
Matching versions
Google » Tensorflow
Versions before (<) 2.1.4
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*
Matching versions
Google » Tensorflow
Versions from including (>=) 2.2.0 and before (<) 2.2.3
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*
Matching versions
Google » Tensorflow
Versions from including (>=) 2.4.0 and before (<) 2.4.2
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-29558

EPSS FAQ

0.01%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 1 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-29558

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.6	MEDIUM	AV:L/AC:L/Au:N/C:P/I:P/A:P	3.9	6.4	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
2.5	LOW	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L	1.0	1.4	GitHub, Inc.
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: Low

CWE ids for CVE-2021-29558

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: security-advisories@github.com (Primary)

References for CVE-2021-29558

https://github.com/tensorflow/tensorflow/commit/8ba6fa29cd8bf9cef9b718dc31c78c73081f5b31

Fix heap-buffer-overflow issue with `tf.raw_ops.SparseSplit`. · tensorflow/tensorflow@8ba6fa2 · GitHub
Patch;Third Party Advisory
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-mqh2-9wrp-vx84

Heap buffer overflow in `SparseSplit` · Advisory · tensorflow/tensorflow · GitHub
Exploit;Patch;Third Party Advisory

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Vulnerability Details : CVE-2021-29558

Products affected by CVE-2021-29558

Exploit prediction scoring system (EPSS) score for CVE-2021-29558

CVSS scores for CVE-2021-29558

CWE ids for CVE-2021-29558

References for CVE-2021-29558