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The main thesis/theme of the conference presentation is the warning about active 'Roundcube' email attacks and the importance of patching the software to mitigate the security flaw.
  • The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has identified a medium-severity security flaw in Roundcube email software.
  • The flaw is a cross-site scripting (XSS) vulnerability that can lead to information disclosure.
  • The vulnerability affects Roundcube versions before 1.4.14, 1.5.x before 1.5.4, and 1.6.x before 1.6.3.
  • The flaw has been addressed in version 1.6.3 of Roundcube.
  • The vulnerability is actively being exploited, although the specific details of the exploitation are unknown.
  • Previous instances of flaws in web-based email clients have been weaponized by threat actors like APT28 and Winter Vivern, indicating the potential severity of this vulnerability.
  • U.S. Federal Civilian Executive Branch (FCEB) agencies have been instructed to apply the vendor-provided fixes by March 4, 2024, to protect their networks.
email attacks
XSS vulnerability

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