BROWSER-CHROME -- Snort has detected suspicious traffic known to exploit vulnerabilities present in the Chrome browser. These rules are separate from the "browser-webkit" category; while it uses the Webkit rendering engine, there's a lot of other features to create a secondary Chrome category.
BROWSER-CHROME Microsoft Teams Electron framework command injection attempt
This rule fires when a maliciously-crafted protocol handler is seen coming across the network to exploit CVE-2018-1000006.
What To Look For
This rule detects an attempt to exploit the Electron framework vulnerability, CVE-2018-1000006.
No public information
No known false positives
Cisco Talos Intelligence Group
MITRE ATT&CK Framework
Tactic: Initial Access
Technique: Drive-by Compromise
For reference, see the MITRE ATT&CK vulnerability types here:
Command Injection attacks target applications that allow unsafe user-supplied input. Attackers transmit this input via forms, cookies, HTTP headers, etc. and exploit the applications permissions to execute system commands without injecting code.
CVE Additional Information
CVE-2018-1000006GitHub Electron versions 1.8.2-beta.3 and earlier, 1.7.10 and earlier, 1.6.15 and earlier has a vulnerability in the protocol handler, specifically Electron apps running on Windows 10, 7 or 2008 that register custom protocol handlers can be tricked in arbitrary command execution if the user clicks on a specially crafted URL. This has been fixed in versions 1.8.2-beta.4, 1.7.11, and 1.6.16.
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