CVE-2023-4368: Insufficient policy enforcement in Extensions API

Reference Links

• https://security-tracker.debian.org/tracker/CVE-2023-4368
• https://chromereleases.googleblog.com/2023/08/stable-channel-update-for-desktop_15.html
• https://crbug.com/1467751
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2DMXHPRUGBUDNHZCZCIVMWAUIEXEGMGT/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OCFEK63FUHFXZH5MSG6TNQOXMQWM4M5S/
• https://www.debian.org/security/2023/dsa-5479
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4368 (Advisory)
• https://security.gentoo.org/glsa/202401-34
• https://chromereleases.googleblog.com/2023/08/stable-channel-update-for-chromeos_25.html (Advisory)

Parent vulnerabilities

(Appears in the following advisories)

• 4978345371388270778

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2023-4369
• CVE-2023-20593
• CVE-2023-4211
• CVE-2023-4128
• CVE-2023-4147
• CVE-2023-3390
• CVE-2023-32804
• CVE-2022-40982
• CVE-2023-2312
• CVE-2023-4349
• CVE-2023-4350
• CVE-2023-4351
• CVE-2023-4352
• CVE-2023-4353
• CVE-2023-4354
• CVE-2023-4355
• CVE-2023-4356
• CVE-2023-4357
• CVE-2023-4358
• CVE-2023-4359
• CVE-2023-4360
• CVE-2023-4361
• CVE-2023-4362
• CVE-2023-4363
• CVE-2023-4364
• CVE-2023-4365
• CVE-2023-4366
• CVE-2023-4367
• CVE-2023-21264
• CVE-2020-29374

Frequently Asked Questions

• What is CVE-2023-4368?

  CVE-2023-4368 is a vulnerability in the Extensions API in Google Chrome and Microsoft Edge that allows an attacker to bypass an enterprise policy via a crafted HTML page.

• What is the severity of CVE-2023-4368?

  The severity of CVE-2023-4368 is rated as high with a CVSS score of 8.8.

• Which software versions are affected by CVE-2023-4368?

  Google Chrome versions prior to 116.0.5845.96, Microsoft Edge versions prior to 116.0.1938.54, Debian Linux 11.0 and 12.0, and Chromium versions prior to 117.0.5938.62 are affected by CVE-2023-4368.

• How can I fix CVE-2023-4368 in Google Chrome and Microsoft Edge?

  To fix CVE-2023-4368, update Google Chrome to version 116.0.5845.96 or later, and update Microsoft Edge to version 116.0.1938.54 or later.

• What is the reference for CVE-2023-4368?

  The references for CVE-2023-4368 are: [MSRC Microsoft](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-4368), [Chrome Releases Google Blog](https://chromereleases.googleblog.com/2023/08/stable-channel-update-for-desktop_15.html), and [CrBug](https://crbug.com/1467751).