#VU69614 Reachable Assertion in TensorFlow - CVE-2022-35941

Vulnerability identifier: #VU69614

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-35941

CWE-ID: CWE-617

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TensorFlow
Server applications / Other server solutions

Vendor: TensorFlow

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion within the AvgPoolOp function. A remote attacker can pass a negative value for the ksize argument to the affected function and crash the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TensorFlow: 2.7.0 - 2.7.3, 2.8.0 - 2.8.2, 2.9.0 - 2.9.1

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External links
https://github.com/tensorflow/tensorflow/commit/3a6ac52664c6c095aa2b114e742b0aa17fdce78f
https://github.com/tensorflow/tensorflow/blob/8d72537c6abf5a44103b57b9c2e22c14f5f49698/tensorflow/core/kernels/avgpooling_op.cc#L56-L98
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-mgmh-g2v6-mqw5

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.