Fedora 25 : mediawiki (2017-3fb95ed01f) - Nessus

Critical Plugin ID: 99408

This page contains detailed information about the Fedora 25 : mediawiki (2017-3fb95ed01f) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 99408
Name: Fedora 25 : mediawiki (2017-3fb95ed01f)
Filename: fedora_2017-3fb95ed01f.nasl
Vulnerability Published: 2018-04-13
This Plugin Published: 2017-04-17
Last Modification Time: 2021-01-11
Plugin Version: 3.10
Plugin Type: local
Plugin Family: Fedora Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Vulnerability Information

Severity: Critical
Vulnerability Published: 2018-04-13
Patch Published: 2017-04-15
CVE [?]: CVE-2017-0361, CVE-2017-0362, CVE-2017-0363, CVE-2017-0364, CVE-2017-0365, CVE-2017-0366, CVE-2017-0367, CVE-2017-0368, CVE-2017-0369, CVE-2017-0370, CVE-2017-0372
CPE [?]: cpe:/o:fedoraproject:fedora:25, p-cpe:/a:fedoraproject:fedora:mediawiki

Synopsis

The remote Fedora host is missing a security update.

Description

- (T109140) (T122209) Special:UserLogin and Special:Search allow redirect to interwiki links. (CVE-2017-0363, CVE-2017-0364)

- (T144845) XSS in SearchHighlighter::highlightText() when $wgAdvancedSearchHighlighting is true. (CVE-2017-0365)

- (T125177) API parameters may now be marked as 'sensitive' to keep their values out of the logs. (CVE-2017-0361)

- (T150044) 'Mark all pages visited' on the watchlist now requires a CSRF token. (CVE-2017-0362)

- (T156184) Escape content model/format url parameter in message. (CVE-2017-0368)

- (T151735) SVG filter evasion using default attribute values in DTD declaration. (CVE-2017-0366)

- (T48143) Spam blacklist ineffective on encoded URLs inside file inclusion syntax's link parameter. (CVE-2017-0370)

- (T108138) Sysops can undelete pages, although the page is protected against it. (CVE-2017-0369)

The following only affects 1.27 and above and is not included in the 1.23 upgrade :

- (T161453) LocalisationCache will no longer use the temporary directory in its fallback chain when trying to work out where to write the cache. (CVE-2017-0367)

The following fix is for the SyntaxHighlight extension :

- (T158689) Parameters injection in SyntaxHighlight results in multiple vulnerabilities. (CVE-2017-0372)

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected mediawiki package.

Public Exploits

Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Fedora 25 : mediawiki (2017-3fb95ed01f) vulnerability:

Metasploit: exploit/multi/http/mediawiki_syntaxhighlight
[MediaWiki SyntaxHighlight extension option injection vulnerability]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

Risk Information

CVSS V2 Vector [?]: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:F/RL:OF/RC:C

CVSS Base Score:	7.5 (High)
Impact Subscore:	6.4
Exploitability Subscore:	10.0
CVSS Temporal Score:	6.2 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.2 (Medium)

CVSS V3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

CVSS Base Score:	9.8 (Critical)
Impact Subscore:	5.9
Exploitability Subscore:	3.9
CVSS Temporal Score:	9.1 (Critical)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	9.1 (Critical)

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Plugin Source

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2017-3fb95ed01f.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(99408);
  script_version("3.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2017-0361", "CVE-2017-0362", "CVE-2017-0363", "CVE-2017-0364", "CVE-2017-0365", "CVE-2017-0366", "CVE-2017-0367", "CVE-2017-0368", "CVE-2017-0369", "CVE-2017-0370", "CVE-2017-0372");
  script_xref(name:"FEDORA", value:"2017-3fb95ed01f");

  script_name(english:"Fedora 25 : mediawiki (2017-3fb95ed01f)");
  script_summary(english:"Checks rpm output for the updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"  - (T109140) (T122209) Special:UserLogin and Special:Search
    allow redirect to interwiki links. (CVE-2017-0363,
    CVE-2017-0364)

  - (T144845) XSS in SearchHighlighter::highlightText() when
    $wgAdvancedSearchHighlighting is true. (CVE-2017-0365)

  - (T125177) API parameters may now be marked as
    'sensitive' to keep their values out of the logs.
    (CVE-2017-0361)

  - (T150044) 'Mark all pages visited' on the watchlist now
    requires a CSRF token. (CVE-2017-0362)

  - (T156184) Escape content model/format url parameter in
    message. (CVE-2017-0368)

  - (T151735) SVG filter evasion using default attribute
    values in DTD declaration. (CVE-2017-0366)

  - (T48143) Spam blacklist ineffective on encoded URLs
    inside file inclusion syntax's link parameter.
    (CVE-2017-0370)

  - (T108138) Sysops can undelete pages, although the page
    is protected against it. (CVE-2017-0369)

The following only affects 1.27 and above and is not included in the
1.23 upgrade :

  - (T161453) LocalisationCache will no longer use the
    temporary directory in its fallback chain when trying to
    work out where to write the cache. (CVE-2017-0367)

The following fix is for the SyntaxHighlight extension :

  - (T158689) Parameters injection in SyntaxHighlight
    results in multiple vulnerabilities. (CVE-2017-0372)

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as
possible without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bodhi.fedoraproject.org/updates/FEDORA-2017-3fb95ed01f"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected mediawiki package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'MediaWiki SyntaxHighlight extension option injection vulnerability');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:mediawiki");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:25");

  script_set_attribute(attribute:"vuln_publication_date", value:"2018/04/13");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/04/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/04/17");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Fedora Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! preg(pattern:"^25([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 25", "Fedora " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);


flag = 0;
if (rpm_check(release:"FC25", reference:"mediawiki-1.27.2-1.fc25")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "mediawiki");
}

The latest version of this script can be found in these locations depending on your platform:

Linux / Unix:
/opt/nessus/lib/nessus/plugins/fedora_2017-3fb95ed01f.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\fedora_2017-3fb95ed01f.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/fedora_2017-3fb95ed01f.nasl

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How to Run

Here is how to run the Fedora 25 : mediawiki (2017-3fb95ed01f) as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select Fedora Local Security Checks plugin family.
On the right side table select Fedora 25 : mediawiki (2017-3fb95ed01f) plugin ID 99408.
Specify the target on the Settings tab and click to Save the scan.
Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl fedora_2017-3fb95ed01f.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a fedora_2017-3fb95ed01f.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - fedora_2017-3fb95ed01f.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state fedora_2017-3fb95ed01f.nasl -t <IP/HOST>

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References

Fedora Security Update:

2017-3fb95ed01f

See also:

Similar and related Nessus plugins:

100184 - Fedora 25 : mediawiki (2017-2643ef1cad)
104693 - FreeBSD : mediawiki -- multiple vulnerabilities (298829e2-ccce-11e7-92e4-000c29649f92)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file fedora_2017-3fb95ed01f.nasl version 3.10. For more plugins, visit the Nessus Plugin Library.

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Fedora 25 : mediawiki (2017-3fb95ed01f) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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