#VU62998 Use-after-free in TensorFlow - CVE-2022-23584

Vulnerability identifier: #VU62998

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-2022-23584

CWE-ID: CWE-416

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
TensorFlow
Server applications / Other server solutions

Vendor: TensorFlow

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when decoding PNG images. A remote attacker can pass a specially crafted PNG image, trigger a use-after-free error and execute arbitrary code on the system.

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

---

External links
https://github.com/tensorflow/tensorflow/commit/e746adbfcfee15e9cfdb391ff746c765b99bdf9b
https://github.com/tensorflow/tensorflow/security/advisories/GHSA-24x4-6qmh-88qg
https://github.com/tensorflow/tensorflow/blob/a1320ec1eac186da1d03f033109191f715b2b130/tensorflow/core/kernels/image/decode_image_op.cc#L339-L346

---

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.