6.8 Medium
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
6 Medium
AI Score
Confidence
High
0.012 Low
EPSS
Percentile
85.2%
According to its version number, the instance of MediaWiki running on the remote host is affected by multiple security vulnerabilities :
MediaWiki core is vulnerable to session fixation attacks that allow an attacker to compromise another user’s account. (CVE-2012-5391)
The MediaWiki CentralAuth Extension is vulnerable to session fixation attacks. (CVE-2012-5395)
An API feature in version 1.20 allows for HTML code to be injected in the ‘editfont’ option, resulting in cross-site scripting (XSS).
A PCRE backtrack limit can be exceeded causing history pages to fail to display.
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(63267);
script_version("1.15");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/05");
script_cve_id("CVE-2012-5391", "CVE-2012-5395");
script_bugtraq_id(56714, 58019, 68235);
script_name(english:"MediaWiki < 1.18.6 / 1.19.3 / 1.20.1 Multiple Vulnerabilities");
script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a PHP application that is affected by
multiple vulnerabilities.");
script_set_attribute(attribute:"description", value:
"According to its version number, the instance of MediaWiki running on
the remote host is affected by multiple security vulnerabilities :
- MediaWiki core is vulnerable to session fixation attacks
that allow an attacker to compromise another user's
account. (CVE-2012-5391)
- The MediaWiki CentralAuth Extension is vulnerable to
session fixation attacks. (CVE-2012-5395)
- An API feature in version 1.20 allows for HTML code to
be injected in the 'editfont' option, resulting in
cross-site scripting (XSS).
- A PCRE backtrack limit can be exceeded causing history
pages to fail to display.
Note that Nessus has not tested for these issues but has instead
relied only on the application's self-reported version number.");
# https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-November/000122.html
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?cba6a61e");
script_set_attribute(attribute:"see_also", value:"https://www.mediawiki.org/wiki/Release_notes/1.18#MediaWiki_1.18.6");
script_set_attribute(attribute:"see_also", value:"https://www.mediawiki.org/wiki/Release_notes/1.19#MediaWiki_1.19.3");
script_set_attribute(attribute:"see_also", value:"https://www.mediawiki.org/wiki/Release_notes/1.20#MediaWiki_1.20.1");
script_set_attribute(attribute:"solution", value:
"Upgrade to MediaWiki version 1.18.6 / 1.19.3 / 1.20.1 or later.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_cwe_id(20, 74, 79, 442, 629, 711, 712, 722, 725, 750, 751, 800, 801, 809, 811, 864, 900, 928, 931, 990);
script_set_attribute(attribute:"vuln_publication_date", value:"2012/11/28");
script_set_attribute(attribute:"patch_publication_date", value:"2012/11/29");
script_set_attribute(attribute:"plugin_publication_date", value:"2012/12/14");
script_set_attribute(attribute:"potential_vulnerability", value:"true");
script_set_attribute(attribute:"plugin_type", value:"remote");
script_set_attribute(attribute:"cpe", value:"cpe:/a:mediawiki:mediawiki");
script_set_attribute(attribute:"thorough_tests", value:"true");
script_set_attribute(attribute:"enable_cgi_scanning", value:"true");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"CGI abuses");
script_copyright(english:"This script is Copyright (C) 2012-2024 Tenable Network Security, Inc.");
script_dependencies("mediawiki_detect.nasl");
script_require_keys("Settings/ParanoidReport", "installed_sw/MediaWiki", "www/PHP");
script_exclude_keys("Settings/disable_cgi_scanning");
script_require_ports("Services/www", 80);
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("install_func.inc");
app = "MediaWiki";
get_install_count(app_name:app, exit_if_zero:TRUE);
port = get_http_port(default:80, php:TRUE);
install = get_single_install(
app_name : app,
port : port,
exit_if_unknown_ver : TRUE
);
version = install['version'];
install_url = build_url(qs:install['path'], port:port);
if (report_paranoia < 2) audit(AUDIT_PARANOID);
if (
(version =~ "^1\.([0-9]|1[0-7])\.") ||
(version =~ "^1\.18\.([0-5]([^0-9]|$)|6[^0-9])") ||
(version =~ "^1\.19\.([0-2]([^0-9]|$)|3[^0-9])") ||
(version =~ "^1\.20\.(0([^0-9]|$)|1[^0-9])")
)
{
set_kb_item(name:"www/"+port+"/XSS", value:TRUE);
if (report_verbosity > 0)
{
report =
'\n URL : ' + install_url +
'\n Installed version : ' + version +
'\n Fixed versions : 1.18.6 / 1.19.3 / 1.20.1' +
'\n';
security_warning(port:port, extra:report);
}
else security_warning(port);
}
else audit(AUDIT_WEB_APP_NOT_AFFECTED, app, install_url, version);
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5391
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-5395
www.nessus.org/u?cba6a61e
www.mediawiki.org/wiki/Release_notes/1.18#MediaWiki_1.18.6
www.mediawiki.org/wiki/Release_notes/1.19#MediaWiki_1.19.3
www.mediawiki.org/wiki/Release_notes/1.20#MediaWiki_1.20.1