CVE-2021-35958 : TensorFlow through 2.5.0 allows attackers to overwrite arbitrary files via a cra

TensorFlow through 2.5.0 allows attackers to overwrite arbitrary files via a crafted archive when tf.keras.utils.get_file is used with extract=True. NOTE: the vendor's position is that tf.keras.utils.get_file is not intended for untrusted archives

Published 2021-06-30 01:15:07

Updated 2024-08-04 01:15:38

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2021-35958

Google » Tensorflow
Versions up to, including, (<=) 2.5.0
cpe:2.3:a:google:tensorflow:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-35958

EPSS FAQ

0.19%

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

~ 57 %

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

CVSS scores for CVE-2021-35958

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.4	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:P	10.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: Partial
9.1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H	3.9	5.2	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: High

CWE ids for CVE-2021-35958

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-35958

https://keras.io/api/

Keras API reference
Third Party Advisory
https://github.com/tensorflow/tensorflow/blob/b8cad4c631096a34461ff8a07840d5f4d123ce32/tensorflow/python/keras/utils/data_utils.py#L137

tensorflow/data_utils.py at b8cad4c631096a34461ff8a07840d5f4d123ce32 · tensorflow/tensorflow · GitHub
Third Party Advisory
https://docs.python.org/3/library/tarfile.html#tarfile.TarFile.extractall

tarfile — Read and write tar archive files — Python 3.9.6 documentation
Third Party Advisory
https://github.com/tensorflow/tensorflow/blob/b8cad4c631096a34461ff8a07840d5f4d123ce32/tensorflow/python/keras/README.md

tensorflow/README.md at b8cad4c631096a34461ff8a07840d5f4d123ce32 · tensorflow/tensorflow · GitHub
Third Party Advisory
https://vuln.ryotak.me/advisories/52

Advisory #52 - RyotaK's Vuln DB
Third Party Advisory

Jump to

Vulnerability Details : CVE-2021-35958

Products affected by CVE-2021-35958

Exploit prediction scoring system (EPSS) score for CVE-2021-35958

CVSS scores for CVE-2021-35958

CWE ids for CVE-2021-35958

References for CVE-2021-35958