CVE-2020-28348: Path Traversal
HashiCorp Nomad and Nomad Enterprise 0.9.0 up to 0.12.7 client Docker file sandbox feature (github.com/hashicorp/nomad/drivers/docker) may be subverted when not explicitly disabled or when using a volume mount type. Fixed in 0.12.8, 0.11.7, and 0.10.8.
Other sources
HashiCorp Nomad and Nomad Enterprise 0.9.0 up to 0.12.7 client Docker file sandbox feature may be subverted when not explicitly disabled or when using a volume mount type. Fixed in 0.12.8, 0.11.7, and 0.10.8.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
go/github.com/hashicorp/nomadto a version that resolves this vulnerability.Fixed in 0.12.8 - Upgrade
Upgrade
go/github.com/hashicorp/nomadto a version that resolves this vulnerability.Fixed in 0.11.7 - Upgrade
Upgrade
go/github.com/hashicorp/nomadto a version that resolves this vulnerability.Fixed in 0.10.8 - Upgrade
Upgrade
alpine/nomadto a version that resolves this vulnerability.Fixed in 0.12.7-r0 - Upgrade
Upgrade
HashiCorp Nomadto a version that resolves this vulnerability.Fixed in 0.12.8 - Upgrade
Upgrade
HashiCorp Nomadto a version that resolves this vulnerability.Fixed in 0.11.7 - Upgrade
Upgrade
HashiCorp Nomadto a version that resolves this vulnerability.Fixed in 0.10.8 - Configuration
Explicitly disable the Docker file sandbox feature.
HashiCorp Nomad client Docker driver file sandbox feature = disabled
Event History
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID is CVE-2020-28348.
What is the severity rating of CVE-2020-28348?
The severity rating of CVE-2020-28348 is medium (6.5).
How can the Nomad client Docker file sandbox feature be subverted?
The Nomad client Docker file sandbox feature can be subverted when not explicitly disabled or when using a volume mount type.
What versions of HashiCorp Nomad and Nomad Enterprise are affected by this vulnerability?
HashiCorp Nomad and Nomad Enterprise versions 0.9.0 up to 0.12.7 are affected.
How can I fix the vulnerability?
You can fix the vulnerability by updating to version 0.12.8, 0.11.7, or 0.10.8 of HashiCorp Nomad, depending on your current version.