#VU62912 Reachable Assertion in TensorFlow - CVE-2022-23565

Vulnerability identifier: #VU62912

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-23565

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 user to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion. A remote user can assert failure by altering a `SavedModel` on disk such that `AttrDef`s of some operation are duplicated and trigger denial of service.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

TensorFlow: 2.0.0 - 2.0.4, 2.1.0 - 2.1.4, 2.2.0 - 2.2.3, 2.3.0 - 2.3.4, 2.4.0 - 2.4.4, 2.5.0 - 2.5.2, 2.6.0 - 2.6.2, 2.7.0

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External links
https://github.com/tensorflow/tensorflow/commit/c2b31ff2d3151acb230edc3f5b1832d2c713a9e0
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-4v5p-v5h9-6xjx

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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