Fedora 14 : proftpd-1.3.3c-1.fc14 (2010-17091) - Nessus

Critical Plugin ID: 50551

This page contains detailed information about the Fedora 14 : proftpd-1.3.3c-1.fc14 (2010-17091) 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: 50551
Name: Fedora 14 : proftpd-1.3.3c-1.fc14 (2010-17091)
Filename: fedora_2010-17091.nasl
Vulnerability Published: N/A
This Plugin Published: 2010-11-11
Last Modification Time: 2021-01-11
Plugin Version: 1.13
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: Critical
Vulnerability Published: N/A
Patch Published: 2010-11-02
CVE [?]: CVE-2010-3867, CVE-2010-4221
CPE [?]: cpe:/o:fedoraproject:fedora:14, p-cpe:/a:fedoraproject:fedora:proftpd

Synopsis

The remote Fedora host is missing a security update.

Description

This is an update to the current upstream maintenance release, which addresses two security issues that can be exploited by malicious users to manipulate certain data and compromise a vulnerable system.

- A logic error in the code for processing user input containing the Telnet IAC (Interpret As Command) escape sequence can be exploited to cause a stack-based buffer overflow by sending specially crafted input to the FTP or FTPS service. Successful exploitation may allow execution of arbitrary code. This has been assigned the name CVE-2010-4221. More details can be found at http://bugs.proftpd.org/show_bug.cgi?id=3521

- An input validation error within the 'mod_site_misc' module can be exploited to e.g. create and delete directories, create symlinks, and change the time of files located outside a writable directory. Only configurations using 'mod_site_misc', which is not enabled by default, and where the attacker has write access to a directory, are vulnerable to this issue, which has been assigned CVE-2010-3867. More details can be found at http://bugs.proftpd.org/show_bug.cgi?id=3519

This update also fixes an issue with SQLite authentication and adds a new module 'mod_geoip', which can be used to look up geographical information on connecting clients and use that to set access controls for the server.

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 proftpd package.

Public Exploits

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

Here's the list of publicly known exploits and PoCs for verifying the Fedora 14 : proftpd-1.3.3c-1.fc14 (2010-17091) vulnerability:

Metasploit: exploit/linux/ftp/proftp_telnet_iac
[ProFTPD 1.3.2rc3 - 1.3.3b Telnet IAC Buffer Overflow (Linux)]
Metasploit: exploit/freebsd/ftp/proftp_telnet_iac
[ProFTPD 1.3.2rc3 - 1.3.3b Telnet IAC Buffer Overflow (FreeBSD)]
Exploit-DB: exploits/linux/remote/16851.rb
[EDB-16851: ProFTPd 1.3.2 rc3 < 1.3.3b (Linux) - Telnet IAC Buffer Overflow (Metasploit)]
Exploit-DB: exploits/linux/remote/16878.rb
[EDB-16878: ProFTPd 1.3.2 rc3 < 1.3.3b (FreeBSD) - Telnet IAC Buffer Overflow (Metasploit)]
GitHub: https://github.com/tpez0/node-nmap-vulners
[CVE-2010-3867]
GitHub: https://github.com/5l1v3r1/0rion-Framework
[CVE-2010-4221]
GitHub: https://github.com/M31MOTH/cve-2010-4221
[CVE-2010-4221: This exploit was written to study some concepts, enjoy!]
GitHub: https://github.com/ankh2054/python-exploits
[CVE-2010-4221]
GitHub: https://github.com/mudongliang/LinuxFlaw/tree/master/CVE-2010-4221
[CVE-2010-4221]
GitHub: https://github.com/vasanth-tamil/ctf-writeups
[CVE-2010-4221]

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:F/RL:OF/RC:C

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	8.3 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.3 (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 Fedora Security Advisory 2010-17091.
#

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

if (description)
{
  script_id(50551);
  script_version("1.13");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2010-3867", "CVE-2010-4221");
  script_bugtraq_id(44562);
  script_xref(name:"FEDORA", value:"2010-17091");

  script_name(english:"Fedora 14 : proftpd-1.3.3c-1.fc14 (2010-17091)");
  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:
"This is an update to the current upstream maintenance release, which
addresses two security issues that can be exploited by malicious users
to manipulate certain data and compromise a vulnerable system.

  - A logic error in the code for processing user input
    containing the Telnet IAC (Interpret As Command) escape
    sequence can be exploited to cause a stack-based buffer
    overflow by sending specially crafted input to the FTP
    or FTPS service. Successful exploitation may allow
    execution of arbitrary code. This has been assigned the
    name CVE-2010-4221. More details can be found at
    http://bugs.proftpd.org/show_bug.cgi?id=3521

  - An input validation error within the 'mod_site_misc'
    module can be exploited to e.g. create and delete
    directories, create symlinks, and change the time of
    files located outside a writable directory. Only
    configurations using 'mod_site_misc', which is not
    enabled by default, and where the attacker has write
    access to a directory, are vulnerable to this issue,
    which has been assigned CVE-2010-3867. More details can
    be found at http://bugs.proftpd.org/show_bug.cgi?id=3519

This update also fixes an issue with SQLite authentication and adds a
new module 'mod_geoip', which can be used to look up geographical
information on connecting clients and use that to set access controls
for the server.

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:"http://bugs.proftpd.org/show_bug.cgi?id=3519"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://bugs.proftpd.org/show_bug.cgi?id=3521"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=651602"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.redhat.com/show_bug.cgi?id=651607"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2010-November/050687.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?c9fd08ca"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected proftpd 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:F/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:"metasploit_name", value:'ProFTPD 1.3.2rc3 - 1.3.3b Telnet IAC Buffer Overflow (Linux)');
  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:proftpd");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:14");

  script_set_attribute(attribute:"patch_publication_date", value:"2010/11/02");
  script_set_attribute(attribute:"plugin_publication_date", value:"2010/11/11");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2010-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  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:"^14([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 14.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:"FC14", reference:"proftpd-1.3.3c-1.fc14")) flag++;


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

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/fedora_2010-17091.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\fedora_2010-17091.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/fedora_2010-17091.nasl

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How to Run

Here is how to run the Fedora 14 : proftpd-1.3.3c-1.fc14 (2010-17091) 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 14 : proftpd-1.3.3c-1.fc14 (2010-17091) plugin ID 50551.
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_2010-17091.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a fedora_2010-17091.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - fedora_2010-17091.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_2010-17091.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

44562

Fedora Security Update:

2010-17091

See also:

Similar and related Nessus plugins:

52660 - Debian DSA-2191-1 : proftpd-dfsg - several vulnerabilities
50553 - Fedora 13 : proftpd-1.3.3c-1.fc13 (2010-17098)
50568 - Fedora 12 : proftpd-1.3.3c-1.fc12 (2010-17220)
50700 - FreeBSD : proftpd -- remote code execution vulnerability (533d20e7-f71f-11df-9ae1-000bcdf0a03b)
70111 - GLSA-201309-15 : ProFTPD: Multiple vulnerabilities
50571 - Mandriva Linux Security Advisory : proftpd (MDVSA-2010:227)
50544 - ProFTPD < 1.3.3c Multiple Vulnerabilities
70446 - ProFTPD TELNET IAC Escape Sequence Remote Buffer Overflow
50436 - Slackware 11.0 / 12.0 / 12.1 / 12.2 / 13.0 / 13.1 / current : proftpd (SSA:2010-305-03)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file fedora_2010-17091.nasl version 1.13. For more plugins, visit the Nessus Plugin Library.

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Fedora 14 : proftpd-1.3.3c-1.fc14 (2010-17091) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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