RHEL 6 : chromium-browser (RHSA-2019:0481) - Nessus
Medium Plugin ID: 122771This page contains detailed information about the RHEL 6 : chromium-browser (RHSA-2019:0481) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.
Plugin Overview
ID: 122771
Name: RHEL 6 : chromium-browser (RHSA-2019:0481)
Filename: redhat-RHSA-2019-0481.nasl
Vulnerability Published: 2019-06-27
This Plugin Published: 2019-03-12
Last Modification Time: 2022-01-28
Plugin Version: 1.11
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: Medium
Vulnerability Published: 2019-06-27
Patch Published: 2019-03-11
CVE [?]: CVE-2019-5786
CPE [?]: cpe:/o:redhat:enterprise_linux:6, p-cpe:/a:redhat:enterprise_linux:chromium-browser, p-cpe:/a:redhat:enterprise_linux:chromium-browser-debuginfo
Exploited by Malware: True
Synopsis
The remote Red Hat host is missing one or more security updates.
Description
An update for chromium-browser is now available for Red Hat Enterprise Linux 6 Supplementary.
Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Chromium is an open source web browser, powered by WebKit (Blink).
This update upgrades Chromium to version 72.0.3626.121.
Security Fix(es) :
* chromium-browser: Use-after-free in FileReader (CVE-2019-5786)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Solution
Update the affected chromium-browser and / or chromium-browser-debuginfo packages.
Public Exploits
Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, Exploit-DB, GitHub)
Exploit Ease: Exploits are available
Here's the list of publicly known exploits and PoCs for verifying the RHEL 6 : chromium-browser (RHSA-2019:0481) vulnerability:
- Metasploit: exploit/windows/browser/chrome_filereader_uaf
[Chrome 72.0.3626.119 FileReader UaF exploit for Windows 7 x86] - Exploit-DB: exploits/windows_x86/remote/46812.rb
[EDB-46812: Google Chrome 72.0.3626.119 - 'FileReader' Use-After-Free (Metasploit)] - GitHub: https://github.com/SexyBeast233/SecBooks
[CVE-2019-5786] - GitHub: https://github.com/ZihanYe/web-browser-vulnerabilities
[CVE-2019-5786] - GitHub: https://github.com/emtuls/Awesome-Cyber-Security-List
[CVE-2019-5786] - GitHub: https://github.com/exodusintel/CVE-2019-0808
[CVE-2019-5786] - GitHub: https://github.com/fengjixuchui/Just-pwn-it-for-fun
[CVE-2019-5786] - GitHub: https://github.com/liukonen/WinFrost
[CVE-2019-5786] - GitHub: https://github.com/lp008/Hack-readme
[CVE-2019-5786] - GitHub: https://github.com/m1ghtym0/browser-pwn
[CVE-2019-5786] - GitHub: https://github.com/exodusintel/CVE-2019-5786
[CVE-2019-5786: FileReader Exploit]
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:M/Au:N/C:N/I:N/A:P/E:H/RL:OF/RC:C
CVSS Base Score: | 4.3 (Medium) |
Impact Subscore: | 2.9 |
Exploitability Subscore: | 8.6 |
CVSS Temporal Score: | 3.7 (Low) |
CVSS Environmental Score: | NA (None) |
Modified Impact Subscore: | NA |
Overall CVSS Score: | 3.7 (Low) |
CVSS Base Score: | 6.5 (Medium) |
Impact Subscore: | 3.6 |
Exploitability Subscore: | 2.8 |
CVSS Temporal Score: | 6.2 (Medium) |
CVSS Environmental Score: | NA (None) |
Modified Impact Subscore: | NA |
Overall CVSS Score: | 6.2 (Medium) |
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Plugin Source
This is the redhat-RHSA-2019-0481.nasl nessus plugin source code. This script is Copyright (C) 2019-2022 and is owned by Tenable, Inc. or an Affiliate thereof.
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Red Hat Security Advisory RHSA-2019:0481. The text
# itself is copyright (C) Red Hat, Inc.
#
include("compat.inc");
if (description)
{
script_id(122771);
script_version("1.11");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/01/28");
script_cve_id("CVE-2019-5786");
script_xref(name:"RHSA", value:"2019:0481");
script_name(english:"RHEL 6 : chromium-browser (RHSA-2019:0481)");
script_summary(english:"Checks the rpm output for the updated packages");
script_set_attribute(
attribute:"synopsis",
value:"The remote Red Hat host is missing one or more security updates."
);
script_set_attribute(
attribute:"description",
value:
"An update for chromium-browser is now available for Red Hat Enterprise
Linux 6 Supplementary.
Red Hat Product Security has rated this update as having a security
impact of Important. A Common Vulnerability Scoring System (CVSS) base
score, which gives a detailed severity rating, is available for each
vulnerability from the CVE link(s) in the References section.
Chromium is an open source web browser, powered by WebKit (Blink).
This update upgrades Chromium to version 72.0.3626.121.
Security Fix(es) :
* chromium-browser: Use-after-free in FileReader (CVE-2019-5786)
For more details about the security issue(s), including the impact, a
CVSS score, acknowledgments, and other related information, refer to
the CVE page(s) listed in the References section."
);
script_set_attribute(
attribute:"see_also",
value:"https://access.redhat.com/errata/RHSA-2019:0481"
);
script_set_attribute(
attribute:"see_also",
value:"https://access.redhat.com/security/cve/cve-2019-5786"
);
script_set_attribute(
attribute:"solution",
value:
"Update the affected chromium-browser and / or
chromium-browser-debuginfo packages."
);
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P");
script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:H/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:"exploited_by_malware", value:"true");
script_set_attribute(attribute:"metasploit_name", value:'Chrome 72.0.3626.119 FileReader UaF exploit for Windows 7 x86');
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:chromium-browser");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:chromium-browser-debuginfo");
script_set_attribute(attribute:"cpe", value:"cpe:/o:redhat:enterprise_linux:6");
script_set_attribute(attribute:"vuln_publication_date", value:"2019/06/27");
script_set_attribute(attribute:"patch_publication_date", value:"2019/03/11");
script_set_attribute(attribute:"plugin_publication_date", value:"2019/03/12");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_copyright(english:"This script is Copyright (C) 2019-2022 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:"^6([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Red Hat 6.x", "Red Hat " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$" && "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-2019:0481";
yum_report = redhat_generate_yum_updateinfo_report(rhsa:rhsa);
if (!empty_or_null(yum_report))
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
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:"RHEL6", cpu:"i686", reference:"chromium-browser-72.0.3626.121-1.el6_10", allowmaj:TRUE)) flag++;
if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"chromium-browser-72.0.3626.121-1.el6_10", allowmaj:TRUE)) flag++;
if (rpm_check(release:"RHEL6", cpu:"i686", reference:"chromium-browser-debuginfo-72.0.3626.121-1.el6_10", allowmaj:TRUE)) flag++;
if (rpm_check(release:"RHEL6", cpu:"x86_64", reference:"chromium-browser-debuginfo-72.0.3626.121-1.el6_10", allowmaj:TRUE)) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : rpm_report_get() + redhat_report_package_caveat()
);
exit(0);
}
else
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "chromium-browser / chromium-browser-debuginfo");
}
}
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-2019-0481.nasl
- Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\redhat-RHSA-2019-0481.nasl
- Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/redhat-RHSA-2019-0481.nasl
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How to Run
Here is how to run the RHEL 6 : chromium-browser (RHSA-2019:0481) 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 6 : chromium-browser (RHSA-2019:0481) plugin ID 122771.
- 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-2019-0481.nasl -t <IP/HOST>
Run the plugin with audit trail message on the console:
/opt/nessus/bin/nasl -a redhat-RHSA-2019-0481.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-2019-0481.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-2019-0481.nasl -t <IP/HOST>
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References
RHSA | Red Hat Security Advisory: See also:
- https://www.tenable.com/plugins/nessus/122771
- https://access.redhat.com/errata/RHSA-2019:0481
- https://access.redhat.com/security/cve/cve-2019-5786
- https://vulners.com/nessus/REDHAT-RHSA-2019-0481.NASL
- 122723 - Debian DSA-4404-1 : chromium - security update
- 124466 - Fedora 30 : chromium (2019-05a780936d)
- 123100 - Fedora 29 : chromium (2019-561eae4626)
- 123429 - GLSA-201903-23 : Chromium: Multiple vulnerabilities
- 122617 - Google Chrome < 72.0.3626.121 Vulnerability
- 122616 - Google Chrome < 72.0.3626.121 Vulnerability
- 122714 - openSUSE Security Update : chromium (openSUSE-2019-298)
Version
This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file redhat-RHSA-2019-0481.nasl version 1.11. For more plugins, visit the Nessus Plugin Library.
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