""GPL FTP USER overflow attempt""

SID: 2101734

Revision: 35

Class Type: attempted-admin

Metadata: created_at 2010_09_23, cve CVE_1999_1510, updated_at 2015_10_19

Reference:

  • cve

  • 2004-0286

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: 21

Flow: to_server,established,no_stream

Contents:

  • Value: "USER|20|"

Within:

PCRE: "/^USER\x20[^\x00\x20\x0a\x0d]{100}/smi"

Special Options:

  • nocase

source