Alta-Aware 856 Ava Aware web interface regular expression DoS due a vulnerability in luxon

Release Date

31st of October 2023.

Overview

Due to a regular expression DoS vulnerability in the luxon NPM dependency, the Ava Aware web interface could be noticeably slowed down when certain inputs were provided.

Affected Products

• Ava Aware:
  • All Stable upgrade channel versions before 5.8.5.
  • All Beta upgrade channel versions before 5.9.4.

Unaffected Products

• Ava Aware:
  • All Stable upgrade channel versions after and including 5.8.5.
  • All Beta upgrade channel versions after and including 5.9.4.
• Ava Cameras: all versions.
• Ava Cloud: all versions.

Resolution

This issue has been fixed in Ava Aware Beta upgrade channel version 5.9.4 and Stable upgrade channel version 5.8.5.

It is strongly recommended that all installations running an affected version are upgraded to the latest release as soon as possible. Releases are available to download through the Ava Aware User Interface.

Vulnerability Information

• CVE: CVE-2023-22467
• CVSSv3 score: 5.9 (Medium)
• CVSSv3 vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Mitigations

There are no known mitigations for this issue.

Work arounds

There are no known work arounds for this issue.

Acknowledgements

Issue found by vovikhangcdv and reported to the Luxon project.

Disclosure Timeline

• 30/05/2023 Issue found (by vovikhangcdv)
• 06/06/2023 Root cause established
• 07/06/2023 Fix identified
• 06/06/2023 Patched Ava Aware (Beta upgrade channel) released
• 06/06/2023 Patched Ava Aware (Stable upgrade channel) released
• 31/10/2023 Vulnerability publicly disclosed