Fedora 29 : kernel / kernel-headers (2019-a95015e60f) - Nessus

High Plugin ID: 126801

This page contains detailed information about the Fedora 29 : kernel / kernel-headers (2019-a95015e60f) 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: 126801
Name: Fedora 29 : kernel / kernel-headers (2019-a95015e60f)
Filename: fedora_2019-a95015e60f.nasl
Vulnerability Published: 2019-07-17
This Plugin Published: 2019-07-19
Last Modification Time: 2021-12-20
Plugin Version: 1.9
Plugin Type: local
Plugin Family: Fedora Local Security Checks
Dependencies: linux_alt_patch_detect.nasl, ssh_get_info.nasl
Required KB Items [?]: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Vulnerability Information

Severity: High
Vulnerability Published: 2019-07-17
Patch Published: 2019-07-19
CVE [?]: CVE-2019-13272
CPE [?]: cpe:/o:fedoraproject:fedora:29, p-cpe:/a:fedoraproject:fedora:kernel, p-cpe:/a:fedoraproject:fedora:kernel-headers
Exploited by Malware: True

Synopsis

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

Description

Update to v5.1.18

----

Update to v5.1.17

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 kernel and / or kernel-headers 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 Fedora 29 : kernel / kernel-headers (2019-a95015e60f) vulnerability:

Metasploit: exploit/linux/local/ptrace_traceme_pkexec_helper
[Linux Polkit pkexec helper PTRACE_TRACEME local root exploit]
Exploit-DB: exploits/linux/local/47163.c
[EDB-47163: Linux Kernel 4.10 < 5.1.17 - 'PTRACE_TRACEME' pkexec Local Privilege Escalation]
Exploit-DB: exploits/linux/local/47543.rb
[EDB-47543: Linux Polkit - pkexec helper PTRACE_TRACEME local root (Metasploit)]
Exploit-DB: exploits/linux/local/50541.c
[EDB-50541: Linux Kernel 5.1.x - 'PTRACE_TRACEME' pkexec Local Privilege Escalation (2)]
GitHub: https://github.com/Al1ex/LinuxEelvation
[CVE-2019-13272]
GitHub: https://github.com/AnonVulc/Pentest-Tools
[CVE-2019-13272]
GitHub: https://github.com/De4dCr0w/Linux-kernel-EoP-exp
[CVE-2019-13272]
GitHub: https://github.com/Getshell/LinuxTQ
[CVE-2019-13272]
GitHub: https://github.com/H0j3n/EzpzCheatSheet
[CVE-2019-13272]
GitHub: https://github.com/Mr-xn/Penetration_Testing_POC
[CVE-2019-13272]
GitHub: https://github.com/ONQLin/OS-CourseDesign
[CVE-2019-13272]
GitHub: https://github.com/RashmikaEkanayake/Privilege-Escalation-CVE-2019-13272-
[CVE-2019-13272]
GitHub: https://github.com/S3cur3Th1sSh1t/Pentest-Tools
[CVE-2019-13272]
GitHub: https://github.com/SexyBeast233/SecBooks
[CVE-2019-13272]
GitHub: https://github.com/Snoopy-Sec/Localroot-ALL-CVE
[CVE-2019-13272]
GitHub: https://github.com/Thathsarani24/CVE2019-13272
[CVE-2019-13272]
GitHub: https://github.com/anoaghost/Localroot_Compile
[CVE-2019-13272]
GitHub: https://github.com/babyshen/CVE-2019-13272
[CVE-2019-13272]
GitHub: https://github.com/bcoles/kernel-exploits
[CVE-2019-13272]
GitHub: https://github.com/cedelasen/htb-laboratory
[CVE-2019-13272]
GitHub: https://github.com/fengjixuchui/RedTeamer
[CVE-2019-13272]
GitHub: https://github.com/icecliffs/Linux-For-Root
[CVE-2019-13272]
GitHub: https://github.com/jana30116/CVE-2019-13272-Local-Privilege-Escalation
[CVE-2019-13272: Local Privilege Escalation is a way to take advantage of flaws in code or service ...]
GitHub: https://github.com/jiayy/android_vuln_poc-exp
[CVE-2019-13272]
GitHub: https://github.com/karlhat/Ksplice-demo
[CVE-2019-13272]
GitHub: https://github.com/n3t1nv4d3/kernel-exploits
[CVE-2019-13272]
GitHub: https://github.com/rakjong/LinuxElevation
[CVE-2019-13272]
GitHub: https://github.com/severnake/Pentest-Tools
[CVE-2019-13272]
GitHub: https://github.com/sumedhaDharmasena/-Kernel-ptrace-c-mishandles-vulnerability-CVE-2019-13272
[CVE-2019-13272]
GitHub: https://github.com/teddy47/CVE-2019-13272---Documentation
[CVE-2019-13272]
GitHub: https://github.com/theyoge/AD-Pentesting-Tools
[CVE-2019-13272]
GitHub: https://github.com/bigbigliang-malwarebenchmark/cve-2019-13272
[CVE-2019-13272: 提权漏洞]
GitHub: https://github.com/Cyc1eC/CVE-2019-13272
[CVE-2019-13272: The exploit for CVE-2019-13272]
GitHub: https://github.com/Huandtx/CVE-2019-13272
[CVE-2019-13272: 5.1.17之前的Linux内核中普通用户执行文件提权为root用户]
GitHub: https://github.com/jas502n/CVE-2019-13272
[CVE-2019-13272: Linux 4.10 < 5.1.17 PTRACE_TRACEME local root]
GitHub: https://github.com/oneoy/CVE-2019-13272
[CVE-2019-13272: Linux 提权]
GitHub: https://github.com/polosec/CVE-2019-13272
[CVE-2019-13272]
GitHub: https://github.com/Tharana/Exploiting-a-Linux-kernel-vulnerability
[CVE-2019-13272: Local Root vulnerability- CVE-2019-13272 / Security Bypass Vulnerability – ...]
GitHub: https://github.com/Tharana/vulnerability-exploitation
[CVE-2019-13272: Local Root vulnerability- CVE-2019-13272 / Security Bypass 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.

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:L/AC:L/Au:N/C:C/I:C/A:C/E:H/RL:OF/RC:C

CVSS Base Score:	7.2 (High)
Impact Subscore:	10.0
Exploitability Subscore:	3.9
CVSS Temporal Score:	6.3 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.3 (Medium)

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

CVSS Base Score:	7.8 (High)
Impact Subscore:	5.9
Exploitability Subscore:	1.8
CVSS Temporal Score:	7.5 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	7.5 (High)

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Plugin Source

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2019-a95015e60f.
#

include('compat.inc');

if (description)
{
  script_id(126801);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/12/20");

  script_cve_id("CVE-2019-13272");
  script_xref(name:"FEDORA", value:"2019-a95015e60f");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/06/10");

  script_name(english:"Fedora 29 : kernel / kernel-headers (2019-a95015e60f)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"Update to v5.1.18

----

Update to v5.1.17

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-2019-a95015e60f");
  script_set_attribute(attribute:"solution", value:
"Update the affected kernel and / or kernel-headers packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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:'Linux Polkit pkexec helper PTRACE_TRACEME local root exploit');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/07/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/07/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/07/19");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:kernel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:kernel-headers");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:29");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Fedora Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2019-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.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");
include("ksplice.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:"^29([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 29", "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);

if (get_one_kb_item("Host/ksplice/kernel-cves"))
{
  rm_kb_item(name:"Host/uptrack-uname-r");
  cve_list = make_list("CVE-2019-13272");
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for FEDORA-2019-a95015e60f");
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

flag = 0;
if (rpm_check(release:"FC29", reference:"kernel-5.1.18-200.fc29")) flag++;
if (rpm_check(release:"FC29", reference:"kernel-headers-5.1.18-200.fc29")) 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, "kernel / kernel-headers");
}

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/fedora_2019-a95015e60f.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\fedora_2019-a95015e60f.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/fedora_2019-a95015e60f.nasl

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How to Run

Here is how to run the Fedora 29 : kernel / kernel-headers (2019-a95015e60f) 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 29 : kernel / kernel-headers (2019-a95015e60f) plugin ID 126801.
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_2019-a95015e60f.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a fedora_2019-a95015e60f.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - fedora_2019-a95015e60f.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_2019-a95015e60f.nasl -t <IP/HOST>

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References

Fedora Security Update:

2019-a95015e60f

See also:

Similar and related Nessus plugins:

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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file fedora_2019-a95015e60f.nasl version 1.9. For more plugins, visit the Nessus Plugin Library.

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Fedora 29 : kernel / kernel-headers (2019-a95015e60f) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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