Path Bypass Vulnerability in HashiCorp Nomad with QEMU Task Driver
CVE-2021-43415

8.8HIGH

Key Information:

Vendor

Hashicorp
Status
Nomad
Vendor
CVE Published:
3 December 2021

What is CVE-2021-43415?

A vulnerability exists in HashiCorp Nomad and Nomad Enterprise when the QEMU task driver is enabled. Authenticated users with job submission rights could exploit this weakness to bypass the pre-configured allowed image paths, allowing potentially unsafe operations to proceed without proper path verification. This issue was addressed in versions 1.0.14, 1.1.8, and 1.2.1, which enhance security by enforcing stricter controls on image path allowances.

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References

https://www.hashicorp.com/blog/category/nomad
x_refsource_MISC
https://discuss.hashicorp.com/t/hcsec-2021-31-nomad-qemu-...
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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