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ftp: replace @banner_version with banner_version helper method

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g0t mi1k
2026-05-06 14:46:53 +01:00
parent 696f530475
commit b7e1d7ea77
2 changed files with 13 additions and 10 deletions
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lib/msf/core/exploit/remote/ftp.rb
+12 -9
View File
@@ -62,14 +62,6 @@ module Exploit::Remote::Ftp
# Wait for a banner to arrive...
self.banner = recv_ftp_resp(fd)
# 220 (vsFTPd 2.3.4)\x0d\x0a -> vsFTPd 2.3.4
# 220 ProFTPD 1.3.1 Server (Debian) [::ffff:10.0.0.10]\x0d\x0a -> ProFTPD 1.3.1 Server (Debian)
@banner_version = self.banner.to_s
.gsub(/^\d{3}[\s-]/, '')
.strip
.gsub(/\A\(|\)\z/, '')
.gsub(/\s*\[(?:(?:\d{1,3}\.){3}\d{1,3}|[0-9A-Fa-f:]*:[0-9A-Fa-f:.]+)\]/, '')
print_status('Connected to target FTP server') if verbose
# Only record the service and banner when the greeting looks like FTP (RFC 959)
@@ -80,7 +72,7 @@ module Exploit::Remote::Ftp
port: rport,
proto: 'tcp',
name: 'ftp',
info: Rex::Text.to_hex_ascii(@banner_version),
info: Rex::Text.to_hex_ascii(banner_version),
parents: {
host: rhost,
port: rport,
@@ -104,6 +96,17 @@ module Exploit::Remote::Ftp
fd
end
# Extracts a normalized version string from the FTP banner
# 220 (vsFTPd 2.3.4)\x0d\x0a -> vsFTPd 2.3.4
# 220 ProFTPD 1.3.1 Server (Debian) [::ffff:10.0.0.10]\x0d\x0a -> ProFTPD 1.3.1 Server (Debian)
def banner_version
banner.to_s
.sub(/^\d{3}[\s-]/, '')
.strip
.gsub(/\A\(|\)\z/, '')
.gsub(/\s*\[(?:(?:\d{1,3}\.){3}\d{1,3}|[0-9A-Fa-f:]*:[0-9A-Fa-f:.]+)\]/, '')
end
#
# This method handles establishing datasocket for data channel
#
modules/auxiliary/scanner/ftp/ftp_anonymous.rb
+1 -1
View File
@@ -83,7 +83,7 @@ class MetasploitModule < Msf::Auxiliary
)
register_creds(target_host, access_type)
elsif banner
print_warning("FTP service, but no anonymous access (#{@banner_version})")
print_warning("FTP service, but no anonymous access (#{banner_version})")
else
vprint_warning('No FTP banner received')
end