CVE-2022-2104

Summary

The www-data (Apache web server) account is configured to run sudo with no password for many commands (including /bin/sh and /bin/bash).

Affected Software

Weaknesses

• CWE-269: CWE-269 Improper Privilege Management

Workarounds

Additional workarounds are suggested to help reduce the risk:

Configure the network such that PLC communications are strictly limited to only the devices required to perform its functions. Limit remote access and close Ports 80 and 443 at the switch level. Only use approved devices to connect to the PLCs. Do not connect personal peripherals (USB sticks, hotspots) to approved devices. Check device logs during periodic maintenance for unauthorized changes or access.

ADP Enrichment

CVE Program Container

Additional References

• https://www.cisa.gov/uscert/ics/advisories/icsa-22-174-03

CISA ADP Vulnrichment

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

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-22-174-03

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