Bug 1973787 (CVE-2021-32575) - CVE-2021-32575 nomad: bridge networking mode allows ARP spoofing from other bridged tasks on same node
Summary: CVE-2021-32575 nomad: bridge networking mode allows ARP spoofing from other b...
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2021-32575
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1973788
TreeView+ depends on / blocked
 
Reported: 2021-06-18 17:14 UTC by Guilherme de Almeida Suckevicz
Modified: 2021-06-28 16:40 UTC (History)
11 users (show)

Fixed In Version: nomad 0.12.12, nomad 1.0.5, nomad 1.1.1
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Doc Text:
A flaw was found in Nomad. The bridge networking mode in HashiCorp Nomad and Nomad Enterprise allows ARP spoofing from other bridged tasks on the same node.
Clone Of:
Environment:
Last Closed: 2021-06-28 16:40:25 UTC
Embargoed:

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Description Guilherme de Almeida Suckevicz 2021-06-18 17:14:45 UTC 
HashiCorp Nomad and Nomad Enterprise up to version 1.0.4 bridge networking mode allows ARP spoofing from other bridged tasks on the same node. Fixed in 0.12.12, 1.0.5, and 1.1.0 RC1.

Reference:
https://discuss.hashicorp.com/t/hcsec-2021-14-nomad-bridge-networking-mode-allows-arp-spoofing-from-other-bridged-tasks-on-same-node/24296
Comment 1 Hardik Vyas 2021-06-21 15:06:07 UTC 
Upstream fix: https://github.com/hashicorp/nomad/commit/003d68fe6df652b172bc68beabd11a25fd7e1b58
PR: https://github.com/hashicorp/nomad/pull/10572
Comment 2 Product Security DevOps Team 2021-06-28 16:40:25 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2021-32575
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