SB2021121610 - Multiple vulnerabilities in nomad

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2021-44716)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

2) Resource exhaustion (CVE-ID: CVE-2021-44717)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when processing HTTP/2 requests. A remote attacker can send multiple HTTP/2 requests to the server and exhaust all available memory resources.

Remediation

Install update from vendor's website.

References

• https://github.com/hashicorp/nomad/releases/tag/v1.2.3
• https://github.com/hashicorp/nomad/releases/tag/v1.0.15
• https://github.com/hashicorp/nomad/releases/tag/v1.1.9