Medium severity · published May 14, 2021
CVE-2021-29572
TensorFlow is an end-to-end open source platform for machine learning
5.5
CVSS
0.2%
EPSS
No
On KEV
Description
TensorFlow is an end-to-end open source platform for machine learning. The implementation of `tf.raw_ops.SdcaOptimizer` triggers undefined behavior due to dereferencing a null pointer. The implementation(https://github.com/tensorflow/tensorflow/blob/60a45c8b6192a4699f2e2709a2645a751d435cc3/tensorflow/core/kernels/sdca_internal.cc) does not validate that the user supplied arguments satisfy all constraints expected by the op(https://www.tensorflow.org/api_docs/python/tf/raw_ops/SdcaOptimizer). 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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 8% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
Tensorflow · Google
before 2.1.4; 2.2.0 before 2.2.3; 2.3.0 before 2.3.3; 2.4.0 before 2.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-29572
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-29572
Patch
https://github.com/tensorflow/tensorflow/commit/f7cc8755ac6683131fdfa7a8a121f9d7a9dec6fb
Exploit
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-5gqf-456p-4836
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