Rule Category
SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.
Alert Message
SERVER-WEBAPP Microsoft SharePoint OAuth authentication bypass attempt
Rule Explanation
This rule looks for attempts to exploit an authentication bypass vulnerability in Microsoft SharePoint.
What To Look For
This rule looks for attempts to exploit an authentication bypass vulnerability in Microsoft SharePoint.
Known Usage
Public information/Proof of Concept available
False Positives
No known false positives
Contributors
Cisco Talos Intelligence Group
Rule Groups
MITRE::ATT&CK Framework::Enterprise::Initial Access::Exploit Public-Facing Application
Adversaries may attempt to take advantage of a weakness in an Internet-facing computer or program using software, data, or commands in order to cause unintended or unanticipated behavior. The weakness in the system can be a bug, a glitch, or a design vulnerability. These applications are often websites, but can include databases (like SQL), standard services (like SMB or SSH), network device administration and management protocols (like SNMP and Smart Install), and any other applications with Internet accessible open sockets, such as web servers and related services.
T1190
MITRE::ATT&CK Framework::Enterprise::Privilege Escalation::Exploitation for Privilege Escalation
Privilege escalation includes techniques that allow an attacker to obtain a higher level of permissions on the mobile device. Attackers may enter the mobile device with very limited privileges and may be required to take advantage of a device weakness to obtain higher privileges necessary to successfully carry out their mission objectives.
T1068
Additional Links
Rule Vulnerability
Authentication Bypass
An Authentication Bypass occurs when there is a way to avoid providing user credentials to a system before performing restricted operations on said system.
CVE Additional Information
This product uses data from the NVD API but is not endorsed or certified by the NVD.
CVE-2023-29357
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