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During a routine vulnerability assessment, the following command was successful: echo vrfy 'perl -e 'print hi x 500 ' ' | nc www.company.com 25

During a routine vulnerability assessment, the following command was successful: echo "vrfy 'perl -e 'print "hi" x 500 ' ' " | nc www.company.com 25 Which of the following vulnerabilities is being exploited?

  • A. Buffer overflow directed at a specific host MTA
  • B. SQL injection directed at a web server
  • C. Cross-site scripting directed at www.company.com
  • D. Race condition in a UNIX shell script

Conflicting answers to this one. A and C seem to the main contenders. Need clarification/explanation, please.

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