OS-WINDOWS -- Snort has detected traffic targeting vulnerabilities in a Windows-based operating system. This does not include browser traffic or other software on the OS, but attacks against the OS itself.
OS-WINDOWS Microsoft ASP.NET canonicalization exploit attempt
The Microsoft .NET forms authentication capability for ASP.NET allows remote attackers to bypass authentication for .aspx files in restricted directories via a request containing a (1) "\" (backslash) or (2) "%5C" (encoded backslash), aka "Path Validation Vulnerability." Impact: CVSS base score 7.5 CVSS impact score 6.4 CVSS exploitability score 10.0 confidentialityImpact PARTIAL integrityImpact PARTIAL availabilityImpact PARTIAL Details: Ease of Attack:
This rule will alert when an attempt to exploit a known authentication bypass vulnerability in Microsoft ASP.NET
No public information
No known false positives
Talos research team. This document was generated from data supplied by the national vulnerability database, a product of the national institute of standards and technology. For more information see [nvd].
No rule groups
Information Leak
Information Leakage happens when an attacker manipulates a system into revealing sensitive information, either through malformed input or by taking advantage of another feature of the system.
CVE-2004-0847 |
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Tactic: Defense Evasion
Technique: Deobfuscate/Decode Files or Information
For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org
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