Rule Category

SERVER-WEBAPP -- Snort has detected traffic exploiting vulnerabilities in web based applications on servers.

Alert Message

SERVER-WEBAPP HTTP request with negative Content-Length attempt

Rule Explanation

Rule checks for an HTTP requests made with negative Content-Length header values.

What To Look For

Rule checks for an HTTP requests made with negative Content-Length header values.

Known Usage

No public information

False Positives

No known false positives

Contributors

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].

MITRE ATT&CK Framework

Tactic: Initial Access

Technique: Exploit Public-Facing Application

For reference, see the MITRE ATT&CK vulnerability types here: https://attack.mitre.org

CVE

Additional Links

Rule Vulnerability

N/A

Not Applicable

CVE Additional Information

CVE-2004-0095
McAfee ePolicy Orchestrator agent allows remote attackers to cause a denial of service (memory consumption and crash) and possibly execute arbitrary code via an HTTP POST request with an invalid Content-Length value, possibly triggering a buffer overflow.
Details
SeverityMEDIUM Base Score5.0
Impact Score2.9 Exploit Score10.0
Confidentiality ImpactNONE Integrity ImpactNONE
Availability ImpactPARTIAL Access Vector
AuthenticationNONE Ease of Access
CVE-2008-4478
Multiple integer overflows in dhost.exe in Novell eDirectory 8.8 before 8.8.3, and 8.73 before 8.7.3.10 ftf1, allow remote attackers to execute arbitrary code via a crafted (1) Content-Length header in a SOAP request or (2) Netware Core Protocol opcode 0x0F message, which triggers a heap-based buffer overflow.
Details
SeverityHIGH Base Score10.0
Impact Score10.0 Exploit Score10.0
Confidentiality ImpactCOMPLETE Integrity ImpactCOMPLETE
Availability ImpactCOMPLETE Access Vector
AuthenticationNONE Ease of Access
CVE-2014-9192
Integer overflow in Trihedral Engineering VTScada (formerly VTS) 6.5 through 9.x before 9.1.20, 10.x before 10.2.22, and 11.x before 11.1.07 allows remote attackers to cause a denial of service (server crash) via a crafted request, which triggers a large memory allocation.
Details
SeverityMEDIUM Base Score5.0
Impact Score2.9 Exploit Score10.0
Confidentiality ImpactNONE Integrity ImpactNONE
Availability ImpactPARTIAL Access Vector
AuthenticationNONE Ease of Access
CVE-2017-1000470
EmbedThis GoAhead Webserver versions 4.0.0 and earlier is vulnerable to an integer overflow in the HTTP listener resulting in denial of service.
Details
Severity Base Score7.5
Impact Score3.6 Exploit Score3.9
Confidentiality ImpactNONE Integrity ImpactNONE
Availability ImpactHIGH Access Vector
Authentication Ease of Access