Alta Aware — 1116: protobuf bug in encoding/protojson could lead to infinite loop in Unmarshal function

Release Date

20th of March 2024.

Overview

Ava Aware, Ava Cameras, and Ava Cloud could be made to enter an infinite loop due to a vulnerability in the google.golang.org/protobuf/encoding/protojson package's Unmarshal function.

Affected Products

• Ava Aware:
  • All Stable upgrade channel versions before 6.6.6.
  • All Beta upgrade channel versions before 6.7.2.
• Ava Cameras:
  • All Stable upgrade Channel versions before 6.6.6.
  • All Beta upgrade channel versions before 6.7.2.
• Ava Cloud: before 8th March 2024.

Unaffected Products

• Ava Aware:

  • All Stable upgrade channel versions after and including 6.6.6.
  • All Beta upgrade channel versions after and including 6.7.2.

• Ava Cameras:

  • All Stable upgrade channel versions after and including 6.6.6.
  • All Beta upgrade channel versions after and including 6.7.2.

• Ava Cloud: from 8th March 2024

Resolution

This issue has been fixed in Ava Aware Beta upgrade channel version 6.7.2 and Stable upgrade channel version 6.6.6.

It is highly 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.

A fix was deployed to the Ava Cloud on 8th March 2024. Ava Cloud customers do not need to take any additional action.

This issue has been fixed in Ava Camera Beta upgrade channel version 6.7.2 and Stable upgrade channel version 6.6.6.

It is highly recommended that all Ava Camera installations running an affected version upgrade to the latest release as soon as possible. Releases are available to download through the Ava Aware User Interface for Ava managed cameras and the Ava Camera User Interface for unmanaged Ava cameras.

Vulnerability Information

• CVE: CVE-2024-24786.
• CVSSv3 score: 7.5 (High)
• CVSSv3 vector: CVSS:3.1/AV:N/AC:L/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 and reported by the Go team.

Disclosure Timeline

• 06/03/2024 Issue found
• 05/03/2024 Root cause established
• 06/03/2024 Fix identified
• 08/03/2024 Patched Ava Cloud released
• 08/03/2024 Patched Ava Aware (Beta upgrade channel) released
• 11/03/2024 Patched Ava Aware (Stable upgrade channel) released
• 08/03/2024 Patched Ava Cameras (Beta upgrade channel) released
• 11/03/2024 Patched Ava Cameras (Stable upgrade channel) released
• 20/03/2024 Vulnerability publicly disclosed