RHEL 5 / 6 : flash-plugin (RHSA-2014:0447) - Nessus

Critical Plugin ID: 73780

This page contains detailed information about the RHEL 5 / 6 : flash-plugin (RHSA-2014:0447) 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: 73780
Name: RHEL 5 / 6 : flash-plugin (RHSA-2014:0447)
Filename: redhat-RHSA-2014-0447.nasl
Vulnerability Published: 2014-04-29
This Plugin Published: 2014-04-30
Last Modification Time: 2021-01-14
Plugin Version: 1.21
Plugin Type: local
Plugin Family: Red Hat Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/cpu, Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Vulnerability Information

Severity: Critical
Vulnerability Published: 2014-04-29
Patch Published: 2014-04-29
CVE [?]: CVE-2014-0515
CPE [?]: cpe:/o:redhat:enterprise_linux:5, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:6.5, p-cpe:/a:redhat:enterprise_linux:flash-plugin
Exploited by Malware: True

Synopsis

The remote Red Hat host is missing a security update.

Description

An updated Adobe Flash Player package that fixes one security issue is now available for Red Hat Enterprise Linux 5 and 6 Supplementary.

The Red Hat Security Response Team has rated this update as having Critical security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The flash-plugin package contains a Mozilla Firefox compatible Adobe Flash Player web browser plug-in.

This update fixes one vulnerability in Adobe Flash Player. This vulnerability is detailed in the Adobe Security Bulletin APSB14-13, listed in the References section.

A flaw was found in the way flash-plugin displayed certain SWF content. An attacker could use this flaw to create a specially crafted SWF file that would cause flash-plugin to crash or, potentially, execute arbitrary code when the victim loaded a page containing the malicious SWF content. (CVE-2014-0515)

All users of Adobe Flash Player should install this updated package, which upgrades Flash Player to version 11.2.202.356.

Solution

Update the affected flash-plugin package.

Public Exploits

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

Here's the list of publicly known exploits and PoCs for verifying the RHEL 5 / 6 : flash-plugin (RHSA-2014:0447) vulnerability:

Metasploit: exploit/multi/browser/adobe_flash_pixel_bender_bof
[Adobe Flash Player Shader Buffer Overflow]
Exploit-DB: exploits/windows/remote/33333.rb
[EDB-33333: Adobe Flash Player - Shader Buffer Overflow (Metasploit)]

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.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

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

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	8.7 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.7 (High)

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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 Red Hat Security Advisory RHSA-2014:0447. The text 
# itself is copyright (C) Red Hat, Inc.
#

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

if (description)
{
  script_id(73780);
  script_version("1.21");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");

  script_cve_id("CVE-2014-0515");
  script_xref(name:"RHSA", value:"2014:0447");

  script_name(english:"RHEL 5 / 6 : flash-plugin (RHSA-2014:0447)");
  script_summary(english:"Checks the rpm output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Red Hat host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"An updated Adobe Flash Player package that fixes one security issue is
now available for Red Hat Enterprise Linux 5 and 6 Supplementary.

The Red Hat Security Response Team has rated this update as having
Critical security impact. A Common Vulnerability Scoring System (CVSS)
base score, which gives a detailed severity rating, is available from
the CVE link in the References section.

The flash-plugin package contains a Mozilla Firefox compatible Adobe
Flash Player web browser plug-in.

This update fixes one vulnerability in Adobe Flash Player. This
vulnerability is detailed in the Adobe Security Bulletin APSB14-13,
listed in the References section.

A flaw was found in the way flash-plugin displayed certain SWF
content. An attacker could use this flaw to create a specially crafted
SWF file that would cause flash-plugin to crash or, potentially,
execute arbitrary code when the victim loaded a page containing the
malicious SWF content. (CVE-2014-0515)

All users of Adobe Flash Player should install this updated package,
which upgrades Flash Player to version 11.2.202.356."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://helpx.adobe.com/security/products/flash-player/apsb14-13.html"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/errata/RHSA-2014:0447"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2014-0515"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected flash-plugin package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Adobe Flash Player Shader Buffer Overflow');
  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:redhat:enterprise_linux:flash-plugin");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:5");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6.5");

  script_set_attribute(attribute:"vuln_publication_date", value:"2014/04/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2014/04/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/04/30");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2014-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Red Hat Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.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) || "Red Hat" >!< release) audit(AUDIT_OS_NOT, "Red Hat");
os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Red Hat");
os_ver = os_ver[1];
if (! preg(pattern:"^(5|6)([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 5.x / 6.x", "Red Hat " + 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$" && "s390" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Red Hat", cpu);

yum_updateinfo = get_kb_item("Host/RedHat/yum-updateinfo");
if (!empty_or_null(yum_updateinfo)) 
{
  rhsa = "RHSA-2014:0447";
  yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
  if (!empty_or_null(yum_report))
  {
    security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : yum_report 
    );
    exit(0);
  }
  else
  {
    audit_message = "affected by Red Hat security advisory " + rhsa;
    audit(AUDIT_OS_NOT, audit_message);
  }
}
else
{
  flag = 0;
  if (rpm_check(release:"RHEL5", reference:"flash-plugin-11.2.202.356-1.el5")) flag++;


  if (rpm_check(release:"RHEL6", reference:"flash-plugin-11.2.202.356-1.el6")) flag++;


  if (flag)
  {
    flash_plugin_caveat = '\n' +
      'NOTE: This vulnerability check only applies to RedHat released\n' +
      'versions of the flash-plugin package. This check does not apply to\n' +
      'Adobe released versions of the flash-plugin package, which are\n' +
      'versioned similarly and cause collisions in detection.\n\n' +

      'If you are certain you are running the Adobe released package of\n' +
      'flash-plugin and are running a version of it equal or higher to the\n' +
      'RedHat version listed above then you can consider this a false\n' +
      'positive.\n';
    security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : rpm_report_get() + redhat_report_package_caveat() + flash_plugin_caveat
    );
    exit(0);
  }
  else
  {
    tested = pkg_tests_get();
    if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
    else audit(AUDIT_PACKAGE_NOT_INSTALLED, "flash-plugin");
  }
}

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/redhat-RHSA-2014-0447.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\redhat-RHSA-2014-0447.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/redhat-RHSA-2014-0447.nasl

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How to Run

Here is how to run the RHEL 5 / 6 : flash-plugin (RHSA-2014:0447) 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 Red Hat Local Security Checks plugin family.
On the right side table select RHEL 5 / 6 : flash-plugin (RHSA-2014:0447) plugin ID 73780.
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 redhat-RHSA-2014-0447.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a redhat-RHSA-2014-0447.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - redhat-RHSA-2014-0447.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 redhat-RHSA-2014-0447.nasl -t <IP/HOST>

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References

RHSA | Red Hat Security Advisory:

2014:0447

See also:

Similar and related Nessus plugins:

73740 - Flash Player <= 11.7.700.275 / 13.0.0.182 Pixel Bender Component Buffer Overflow (APSB14-13)
73860 - GLSA-201405-04 : Adobe Flash Player: Multiple vulnerabilities
73710 - Google Chrome < 34.0.1847.131 Multiple Vulnerabilities
73741 - Flash Player for Mac <= 11.7.700.275 / 13.0.0.201 Pixel Bender Component Buffer Overflow (APSB14-13)
73711 - Google Chrome < 34.0.1847.131 Multiple Vulnerabilities (Mac OS X)
75334 - openSUSE Security Update : flash-player (openSUSE-SU-2014:0585-1)
73742 - MS KB2961887: Update for Vulnerabilities in Adobe Flash Player in Internet Explorer
73850 - SuSE 11.3 Security Update : flash-player (SAT Patch Number 9180)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file redhat-RHSA-2014-0447.nasl version 1.21. For more plugins, visit the Nessus Plugin Library.

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RHEL 5 / 6 : flash-plugin (RHSA-2014:0447) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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