title: Nomad Client Vulnerable to Decompression Bombs in Artifact Block
description: HashiCorp Nomad and Nomad Enterprise 1.2.15 up to 1.3.8, and 1.4.3 jobs using a maliciously compressed artifact stanza source can cause excessive disk usage. Fixed in 1.2.16, 1.3.9, and 1.4.4.
problem types: CWE-409 Improper Handling of Highly Compressed Data (Data Amplification)
affected:
{
vendor: HashiCorp
product: Nomad
platforms: [64 bit, 32 bit, x86, ARM, MacOS, Windows, Linux]
repo: https://github.com/hashicorp/nomad
versions:
status: affected, version: 0, lessThanOrEqual: 1.2.15, versionType: semver
status: affected, version: 0, lessThanOrEqual: 1.3.8, versionType: semver
status: affected, version: 0, lessThanOrEqual: 1.4.3, versionType: semver
defaultStatus: unaffected
}
{
vendor: HashiCorp
product: Nomad Enterprise
platforms: [64 bit, 32 bit, x86, ARM, MacOS, Windows, Linux]
versions:
status: affected, version: 0, lessThanOrEqual: 1.2.15, versionType: semver
status: affected, version: 0, lessThanOrEqual: 1.3.8, versionType: semver
status: affected, version: 0, lessThanOrEqual: 1.4.3, versionType: semver
defaultStatus: unaffected
}
metrics:
format: CVSS
scenarios: GENERAL
cvssV3_1: [
version: 3.1
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
]