Medium severity · published Feb 16, 2023
CVE-2023-0821
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
6.5
CVSS
0.8%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NO
Nomad · Hashicorp
before 1.2.15; before 1.2.15; 1.3.0 before 1.3.9; 1.3.0 before 1.3.9; 1.4.0 before 1.4.4; 1.4.0 before 1.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-0821
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-0821
Vendor Advisory
https://discuss.hashicorp.com/t/hcsec-2023-05-nomad-client-vulnerable-to-decompression-bombs-in-artifact-block/50292
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