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  複数のSMTPプロトコル実装になりすましメールを送信される脆弱性「SMTP Smuggling」／深刻度は「MEDIUM」で「Postfix」、「Sendmail」、「Exim」に影響

  • 37 users
  • forest.watch.impress.co.jp
  • テクノロジー
  • 2024/01/18

  • mail
  • security
  • Vulnerability
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  • セキュリティ
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  SMTP Smuggling - Spoofing E-Mails Worldwide

  • 30 users
  • sec-consult.com
  • テクノロジー
  • 2023/12/23

  In the course of a research project in collaboration with the SEC Consult Vulnerability Lab, Timo Longin (@timolongin) - known for his DNS protocol attacks - discovered a novel exploitation technique for yet another Internet protocol - SMTP (Simple Mail Transfer Protocol). Threat actors could abuse vulnerable SMTP servers worldwide to send malicious e-mails from arbitrary e-mail addresses, allowin

  • security
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  • セキュリティ

  
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  SMTP Smuggling

  • 6 users
  • www.postfix.org
  • テクノロジー
  • 2023/12/23

  [An updated version of this text may be found at https://www.postfix.org/smtp-smuggling.html] Author: Wietse Venema Last update: January 22, 2024 Summary Days before a 10+ day holiday break and associated production change freeze, SEC Consult has published an email spoofing attack that involves a composition of email services with specific differences in the way they handle line endings other than

  • techfeed