CentOS 4 / 5 : firefox (CESA-2011:0885) - Nessus

Critical Plugin ID: 55404

This page contains detailed information about the CentOS 4 / 5 : firefox (CESA-2011:0885) 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: 55404
Name: CentOS 4 / 5 : firefox (CESA-2011:0885)
Filename: centos_RHSA-2011-0885.nasl
Vulnerability Published: 2011-06-30
This Plugin Published: 2011-06-23
Last Modification Time: 2021-01-04
Plugin Version: 1.14
Plugin Type: local
Plugin Family: CentOS Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/CentOS/release, Host/CentOS/rpm-list, Host/local_checks_enabled

Vulnerability Information

Severity: Critical
Vulnerability Published: 2011-06-30
Patch Published: 2011-08-14
CVE [?]: CVE-2011-0083, CVE-2011-0085, CVE-2011-2362, CVE-2011-2363, CVE-2011-2364, CVE-2011-2365, CVE-2011-2371, CVE-2011-2373, CVE-2011-2374, CVE-2011-2375, CVE-2011-2376, CVE-2011-2377, CVE-2011-2605
CPE [?]: cpe:/o:centos:centos:4, cpe:/o:centos:centos:5, p-cpe:/a:centos:centos:firefox, p-cpe:/a:centos:centos:xulrunner, p-cpe:/a:centos:centos:xulrunner-devel
Exploited by Malware: True

Synopsis

The remote CentOS host is missing one or more security updates.

Description

Updated firefox packages that fix several security issues and one bug are now available for Red Hat Enterprise Linux 4, 5, and 6.

The Red Hat Security Response Team has rated this update as having critical security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.

Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox.

A flaw was found in the way Firefox handled malformed JPEG images. A website containing a malicious JPEG image could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2011-2377)

Multiple dangling pointer flaws were found in Firefox. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2011-0083, CVE-2011-0085, CVE-2011-2363)

Several flaws were found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2011-2364, CVE-2011-2365, CVE-2011-2374, CVE-2011-2375, CVE-2011-2376)

An integer overflow flaw was found in the way Firefox handled JavaScript Array objects. A website containing malicious JavaScript could cause Firefox to execute that JavaScript with the privileges of the user running Firefox. (CVE-2011-2371)

A use-after-free flaw was found in the way Firefox handled malformed JavaScript. A website containing malicious JavaScript could cause Firefox to execute that JavaScript with the privileges of the user running Firefox. (CVE-2011-2373)

It was found that Firefox could treat two separate cookies as interchangeable if both were for the same domain name but one of those domain names had a trailing '.' character. This violates the same-origin policy and could possibly lead to data being leaked to the wrong domain. (CVE-2011-2362)

For technical details regarding these flaws, refer to the Mozilla security advisories for Firefox 3.6.18. You can find a link to the Mozilla advisories in the References section of this erratum.

This update also fixes the following bug :

* With previous versions of Firefox on Red Hat Enterprise Linux 5, the 'background-repeat' CSS (Cascading Style Sheets) property did not work (such images were not displayed and repeated as expected). (BZ#698313)

All Firefox users should upgrade to these updated packages, which contain Firefox version 3.6.18, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.

Solution

Update the affected firefox packages.

Public Exploits

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

Here's the list of publicly known exploits and PoCs for verifying the CentOS 4 / 5 : firefox (CESA-2011:0885) vulnerability:

Metasploit: exploit/windows/browser/mozilla_reduceright
[Mozilla Firefox Array.reduceRight() Integer Overflow]
Exploit-DB: exploits/windows/remote/17974.html
[EDB-17974: Mozilla Firefox - 'Array.reduceRight()' Integer Overflow (1)]
Exploit-DB: exploits/windows/remote/17976.rb
[EDB-17976: Mozilla Firefox - 'Array.reduceRight()' Integer Overflow (Metasploit) (2)]
Exploit-DB: exploits/windows/remote/18531.html
[EDB-18531: Mozilla Firefox 4.0.1 - 'Array.reduceRight()' Remote Overflow]
GitHub: https://github.com/offensive-security/exploitdb-bin-sploits/blob/master/bin-sploits/17974.zip
[EDB-17974]
GitHub: https://github.com/offensive-security/exploitdb-bin-sploits/blob/master/bin-sploits/18531.zip
[EDB-18531]
Immunity Canvas: CANVAS

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

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	NA (None)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	10.0 (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-2011:0885 and 
# CentOS Errata and Security Advisory 2011:0885 respectively.
#

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

if (description)
{
  script_id(55404);
  script_version("1.14");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/04");

  script_cve_id("CVE-2011-0083", "CVE-2011-0085", "CVE-2011-2362", "CVE-2011-2363", "CVE-2011-2364", "CVE-2011-2365", "CVE-2011-2371", "CVE-2011-2373", "CVE-2011-2374", "CVE-2011-2375", "CVE-2011-2376", "CVE-2011-2377", "CVE-2011-2605");
  script_xref(name:"RHSA", value:"2011:0885");

  script_name(english:"CentOS 4 / 5 : firefox (CESA-2011:0885)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote CentOS host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Updated firefox packages that fix several security issues and one bug
are now available for Red Hat Enterprise Linux 4, 5, and 6.

The Red Hat Security Response Team has rated this update as having
critical security impact. Common Vulnerability Scoring System (CVSS)
base scores, which give detailed severity ratings, are available for
each vulnerability from the CVE links in the References section.

Mozilla Firefox is an open source web browser. XULRunner provides the
XUL Runtime environment for Mozilla Firefox.

A flaw was found in the way Firefox handled malformed JPEG images. A
website containing a malicious JPEG image could cause Firefox to crash
or, potentially, execute arbitrary code with the privileges of the
user running Firefox. (CVE-2011-2377)

Multiple dangling pointer flaws were found in Firefox. A web page
containing malicious content could cause Firefox to crash or,
potentially, execute arbitrary code with the privileges of the user
running Firefox. (CVE-2011-0083, CVE-2011-0085, CVE-2011-2363)

Several flaws were found in the processing of malformed web content. A
web page containing malicious content could cause Firefox to crash or,
potentially, execute arbitrary code with the privileges of the user
running Firefox. (CVE-2011-2364, CVE-2011-2365, CVE-2011-2374,
CVE-2011-2375, CVE-2011-2376)

An integer overflow flaw was found in the way Firefox handled
JavaScript Array objects. A website containing malicious JavaScript
could cause Firefox to execute that JavaScript with the privileges of
the user running Firefox. (CVE-2011-2371)

A use-after-free flaw was found in the way Firefox handled malformed
JavaScript. A website containing malicious JavaScript could cause
Firefox to execute that JavaScript with the privileges of the user
running Firefox. (CVE-2011-2373)

It was found that Firefox could treat two separate cookies as
interchangeable if both were for the same domain name but one of those
domain names had a trailing '.' character. This violates the
same-origin policy and could possibly lead to data being leaked to the
wrong domain. (CVE-2011-2362)

For technical details regarding these flaws, refer to the Mozilla
security advisories for Firefox 3.6.18. You can find a link to the
Mozilla advisories in the References section of this erratum.

This update also fixes the following bug :

* With previous versions of Firefox on Red Hat Enterprise Linux 5, the
'background-repeat' CSS (Cascading Style Sheets) property did not work
(such images were not displayed and repeated as expected). (BZ#698313)

All Firefox users should upgrade to these updated packages, which
contain Firefox version 3.6.18, which corrects these issues. After
installing the update, Firefox must be restarted for the changes to
take effect."
  );
  # https://lists.centos.org/pipermail/centos-announce/2011-August/017679.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?9efc3551"
  );
  # https://lists.centos.org/pipermail/centos-announce/2011-August/017680.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?686f8431"
  );
  # https://lists.centos.org/pipermail/centos-announce/2011-June/017621.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?0be1c57a"
  );
  # https://lists.centos.org/pipermail/centos-announce/2011-June/017622.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?b1c5716e"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected firefox packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Mozilla Firefox Array.reduceRight() Integer Overflow');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:'CANVAS');

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:firefox");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:xulrunner");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:xulrunner-devel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:4");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:5");

  script_set_attribute(attribute:"vuln_publication_date", value:"2011/06/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/08/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/06/23");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2011-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"CentOS Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/CentOS/release", "Host/CentOS/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/CentOS/release");
if (isnull(release) || "CentOS" >!< release) audit(AUDIT_OS_NOT, "CentOS");
os_ver = pregmatch(pattern: "CentOS(?: Linux)? release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "CentOS");
os_ver = os_ver[1];
if (! preg(pattern:"^(4|5)([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "CentOS 4.x / 5.x", "CentOS " + os_ver);

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


cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && "ia64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "CentOS", cpu);


flag = 0;
if (rpm_check(release:"CentOS-4", cpu:"i386", reference:"firefox-3.6.18-2.el4.centos")) flag++;
if (rpm_check(release:"CentOS-4", cpu:"x86_64", reference:"firefox-3.6.18-2.el4.centos")) flag++;

if (rpm_check(release:"CentOS-5", reference:"firefox-3.6.18-1.el5.centos")) flag++;
if (rpm_check(release:"CentOS-5", reference:"xulrunner-1.9.2.18-2.el5_6")) flag++;
if (rpm_check(release:"CentOS-5", reference:"xulrunner-devel-1.9.2.18-2.el5_6")) 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, "firefox / xulrunner / xulrunner-devel");
}

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/centos_RHSA-2011-0885.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\centos_RHSA-2011-0885.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/centos_RHSA-2011-0885.nasl

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How to Run

Here is how to run the CentOS 4 / 5 : firefox (CESA-2011:0885) 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 CentOS Local Security Checks plugin family.
On the right side table select CentOS 4 / 5 : firefox (CESA-2011:0885) plugin ID 55404.
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 centos_RHSA-2011-0885.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a centos_RHSA-2011-0885.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - centos_RHSA-2011-0885.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 centos_RHSA-2011-0885.nasl -t <IP/HOST>

Go back to menu.

References

RHSA | Red Hat Security Advisory:

2011:0885

See also:

Similar and related Nessus plugins:

55405 - CentOS 4 / 5 : thunderbird (CESA-2011:0887)
55836 - CentOS 4 : seamonkey (CESA-2011:0888)
55488 - Debian DSA-2268-1 : iceweasel - several vulnerabilities
55489 - Debian DSA-2269-1 : iceape - several vulnerabilities
55524 - Debian DSA-2273-1 : icedove - several vulnerabilities
63402 - GLSA-201301-01 : Mozilla Products: Multiple vulnerabilities (BEAST)
55418 - Firefox 3.6 < 3.6.18 Multiple Vulnerabilities (Mac OS X)
55419 - Firefox < 5.0 Multiple Vulnerabilities (Mac OS X)
55406 - Mandriva Linux Security Advisory : mozilla (MDVSA-2011:111)
55287 - Firefox 3.6 < 3.6.18 Multiple Vulnerabilities
55288 - Firefox 4 Multiple Vulnerabilities
55289 - Mozilla Thunderbird 3.1 < 3.1.11 Multiple Vulnerabilities
68293 - Oracle Linux 4 / 5 / 6 : firefox (ELSA-2011-0885)
68295 - Oracle Linux 4 : thunderbird (ELSA-2011-0887)
68296 - Oracle Linux 4 : seamonkey (ELSA-2011-0888)
55398 - RHEL 4 / 5 / 6 : firefox (RHSA-2011:0885)
55400 - RHEL 4 / 5 : thunderbird (RHSA-2011:0887)
55401 - RHEL 4 : seamonkey (RHSA-2011:0888)
55884 - SeaMonkey < 2.2.0 Multiple Vulnerabilities
61070 - Scientific Linux Security Update : firefox on SL4.x, SL5.x, SL6.x i386/x86_64
61072 - Scientific Linux Security Update : seamonkey on SL4.x i386/x86_64
61073 - Scientific Linux Security Update : thunderbird on SL4.x, SL5.x i386/x86_64
75653 - openSUSE Security Update : MozillaFirefox (MozillaFirefox-4761)
75665 - openSUSE Security Update : MozillaThunderbird (MozillaThunderbird-4800)
75957 - openSUSE Security Update : mozilla-js192 (mozilla-js192-4771)
75965 - openSUSE Security Update : MozillaThunderbird (MozillaThunderbird-4800)
55483 - SuSE 11.1 Security Update : Mozilla Firefox (SAT Patch Number 4804)
57149 - SuSE 10 Security Update : Mozilla Firefox (ZYPP Patch Number 7596)
55485 - SuSE 10 Security Update : Mozilla Firefox (ZYPP Patch Number 7597)
55407 - Ubuntu 10.04 LTS / 10.10 : firefox, xulrunner-1.9.2 vulnerabilities (USN-1149-1)
55469 - Ubuntu 10.04 LTS / 10.10 : firefox regression (USN-1149-2)
55605 - Ubuntu 10.04 LTS / 10.10 / 11.04 : thunderbird vulnerabilities (USN-1150-1)
55408 - Ubuntu 11.04 : firefox vulnerabilities (USN-1157-1)
55409 - Ubuntu 11.04 : mozvoikko, ubufox, webfav update (USN-1157-2)
55413 - Ubuntu 11.04 : firefox regression (USN-1157-3)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file centos_RHSA-2011-0885.nasl version 1.14. For more plugins, visit the Nessus Plugin Library.

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CentOS 4 / 5 : firefox (CESA-2011:0885) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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