Alta Aware — 929: cmd/go: line directives allows arbitrary execution during build

Release Date

12th of January 2024.

Overview

A vulnerability in Go was discovered where "//line" directives can be used to bypass the restrictions on "//go:cgo_" directives, allowing blocked linker and compiler flags to be passed during compilation. This can result in unexpected execution of arbitrary code when running "go build".

Affected Products

• Alta Aware:
  • All Stable upgrade channel versions before 6.2.6.
  • All Beta upgrade channel versions before 6.3.0.
• Avigilon Ava Cameras:
  • All Stable upgrade Channel versions before 6.2.6.
  • All Beta upgrade channel versions before 6.3.0.
• Alta Cloud: before 11th October 2023.

Unaffected Products

• Alta Aware:

  • All Stable upgrade channel versions after and including 6.2.6.
  • All Beta upgrade channel versions after and including 6.3.0.

• Avigilon Ava Cameras:

  • All Stable upgrade channel versions after and including 6.2.6.
  • All Beta upgrade channel versions after and including 6.3.0.

• Alta Cloud: from 11th October 2023

Resolution

This issue has been fixed in Ava Aware Beta upgrade channel version 6.3.0 and Stable upgrade channel version 6.2.6.

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

A fix was deployed to the Ava Cloud on 11th October 2023. Ava Cloud customers do not need to take any additional action.

This issue has been fixed in Ava Camera Beta upgrade channel version 6.3.0 and Stable upgrade channel version 6.2.6.

It is crucial 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 Alta Aware User Interface for Ava managed cameras and the Ava Camera User Interface for unmanaged Ava cameras.

Vulnerability Information

• CVE: CVE-2023-39323
• CVSSv3 score: 9.8 (Critical)
• CVSSv3 vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Mitigations

There are no known mitigations for this issue.

Work arounds

There are no known work arounds for this issue.

Acknowledgements

Issue reported by the Go team.

Disclosure Timeline

• 05/10/2023 Issue found
• 06/10/2023 Root cause established
• 06/10/2023 Fix identified
• 11/10/2023 Patched Ava Cloud released
• 12/10/2023 Patched Ava Aware (Beta upgrade channel) released
• 23/10/2023 Patched Ava Aware (Stable upgrade channel) released
• 12/10/2023 Patched Ava Cameras (Beta upgrade channel) released
• 23/10/2023 Patched Ava Cameras (Stable upgrade channel) released
• 12/01/2024 Vulnerability publicly disclosed