SERVER-MAIL -- Snort has detected traffic exploiting vulnerabilities in mail servers (such as Exchange, Courrier). These are different from protocol traffic, as this deals with the traffic going to the mail server itself.
SERVER-MAIL Mozilla Thunderbird input filter bypass cross site scripting attempt
This event is generated when an attempt to use a Cross Site Scripting attack against Mozilla Thunderbird is detected
Potential remote code execution
Embedded script data will be executed when evaluated by the vulnerable application
Ease of Attack:
Simple, public examples exist
What To Look For
No public information
No known false positives
Cisco Talos Intelligence Group
MITRE ATT&CK Framework
For reference, see the MITRE ATT&CK vulnerability types here:
CVE Additional Information
CVE-2013-6674Cross-site scripting (XSS) vulnerability in Mozilla Thunderbird 17.x through 17.0.8, Thunderbird ESR 17.x through 17.0.10, and SeaMonkey before 2.20 allows user-assisted remote attackers to inject arbitrary web script or HTML via an e-mail message containing a data: URL in an IFRAME element, a related issue to CVE-2014-2018.
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