Fedora 19 : tinc-1.0.21-1.fc19 (2013-7085) - Nessus

Medium Plugin ID: 66592

This page contains detailed information about the Fedora 19 : tinc-1.0.21-1.fc19 (2013-7085) 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: 66592
Name: Fedora 19 : tinc-1.0.21-1.fc19 (2013-7085)
Filename: fedora_2013-7085.nasl
Vulnerability Published: N/A
This Plugin Published: 2013-05-26
Last Modification Time: 2021-01-11
Plugin Version: 1.6
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: Medium
Vulnerability Published: N/A
Patch Published: 2013-04-30
CVE [?]: CVE-2013-1428
CPE [?]: cpe:/o:fedoraproject:fedora:19, p-cpe:/a:fedoraproject:fedora:tinc

Synopsis

The remote Fedora host is missing a security update.

Description

- Wed Apr 24 2013 Fabian Affolter <mail at fabian-affolter.ch> - 1.0.21-1

- Updated to new upstream version 1.0.21

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

Solution

Update the affected tinc package.

Public Exploits

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

Here's the list of publicly known exploits and PoCs for verifying the Fedora 19 : tinc-1.0.21-1.fc19 (2013-7085) vulnerability:

Metasploit: exploit/multi/vpn/tincd_bof
[Tincd Post-Authentication Remote TCP Stack Buffer Overflow]
Exploit-DB: exploits/multiple/remote/35441.rb
[EDB-35441: Tincd - (Authenticated) Remote TCP Stack 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:S/C:P/I:P/A:P

CVSS Base Score:	6.5 (Medium)
Impact Subscore:	6.4
Exploitability Subscore:	8.0
CVSS Temporal Score:	NA (None)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.5 (Medium)

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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 2013-7085.
#

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

if (description)
{
  script_id(66592);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2013-1428");
  script_xref(name:"FEDORA", value:"2013-7085");

  script_name(english:"Fedora 19 : tinc-1.0.21-1.fc19 (2013-7085)");
  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:
"  - Wed Apr 24 2013 Fabian Affolter <mail at
    fabian-affolter.ch> - 1.0.21-1

    - Updated to new upstream version 1.0.21

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora security advisory. 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://bugzilla.redhat.com/show_bug.cgi?id=955705"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2013-May/106167.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?924f2c63"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected tinc package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P");
  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:'Tincd Post-Authentication Remote TCP Stack 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:fedoraproject:fedora:tinc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:19");

  script_set_attribute(attribute:"patch_publication_date", value:"2013/04/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/05/26");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2013-2021 Tenable Network Security, Inc.");
  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 = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! ereg(pattern:"^19([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 19.x", "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:"FC19", reference:"tinc-1.0.21-1.fc19")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
  else security_warning(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "tinc");
}

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/fedora_2013-7085.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\fedora_2013-7085.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/fedora_2013-7085.nasl

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How to Run

Here is how to run the Fedora 19 : tinc-1.0.21-1.fc19 (2013-7085) 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 19 : tinc-1.0.21-1.fc19 (2013-7085) plugin ID 66592.
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_2013-7085.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a fedora_2013-7085.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - fedora_2013-7085.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_2013-7085.nasl -t <IP/HOST>

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References

Fedora Security Update:

2013-7085

See also:

Similar and related Nessus plugins:

66180 - Debian DSA-2663-1 : tinc - stack based buffer overflow
66432 - Fedora 18 : tinc-1.0.21-1.fc18 (2013-7120)
66433 - Fedora 17 : tinc-1.0.21-1.fc17 (2013-7128)
66185 - FreeBSD : tinc -- Buffer overflow (aeb962f6-ab8d-11e2-b3f5-003067c2616f)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file fedora_2013-7085.nasl version 1.6. For more plugins, visit the Nessus Plugin Library.

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Fedora 19 : tinc-1.0.21-1.fc19 (2013-7085) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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