HTTP: Snort URI Content Rules Detection Evasion
This signature detects attempts to exploit a known vulnerability against Snort. A successful exploit can lead to bypassing the snort detection engine.
Extended Description
The HTTP Inspect preprocessor (http_inspect) in Snort 2.4.0 through 2.4.4 allows remote attackers to bypass "uricontent" rules via a carriage return (\r) after the URL and before the HTTP declaration.
Affected Products
Sourcefire snort
Short Name
HTTP:MISC:SNORT-URICNTNT-EVASON
Severity
Minor
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2006-2769 Content Detection Evasion Rules Snort URI bid:18200
Release Date
03/16/2015
Supported Platforms
mx-19.3
vmx-19.3
vsrx-19.2
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-19.4
vsrx3bsd-19.4
srx-branch-19.4
vsrx-19.4
vmx-19.4
mx-19.4
srxevo-25.4
vsrx-26.2
srx-26.2
srx-branch-26.2
vsrx3bsd-26.2
mx-12.3
srx-12.3
srx-branch-12.3
vsrx-12.3
Sigpack Version
3761
False Positive
Unknown
Vendors
Sourcefire
CVSS Score
5.0