Fedora 14 : proftpd-1.3.3d-1.fc14 (2011-0610) - Nessus

Medium Plugin ID: 51820

This page contains detailed information about the Fedora 14 : proftpd-1.3.3d-1.fc14 (2011-0610) 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: 51820
Name: Fedora 14 : proftpd-1.3.3d-1.fc14 (2011-0610)
Filename: fedora_2011-0610.nasl
Vulnerability Published: N/A
This Plugin Published: 2011-01-31
Last Modification Time: 2021-01-11
Plugin Version: 1.14
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: 2011-01-20
CVE [?]: CVE-2010-4652
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 a security issue that could affect users of the mod_sql module (not enabled by default).

- A heap-based buffer overflow flaw was found in the way ProFTPD FTP server prepared SQL queries for certain usernames, when the mod_sql module was enabled. A remote, unauthenticated attacker could use this flaw to cause the proftpd daemon to crash or, potentially, to execute arbitrary code with the privileges of the user running 'proftpd' via a specially crafted username, provided in the authentication dialog.

The update also fixes a CPU spike when handling .ftpaccess files, and handling of SFTP uploads when compression is used.

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 (GitHub)
Exploit Ease: Exploits (PoCs) are available

Here's the list of publicly known exploits and PoCs for verifying the Fedora 14 : proftpd-1.3.3d-1.fc14 (2011-0610) vulnerability:

GitHub: https://github.com/tpez0/node-nmap-vulners
[CVE-2010-4652]

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:P/I:P/A:P/E:U/RL:OF/RC:C

CVSS Base Score:	6.8 (Medium)
Impact Subscore:	6.4
Exploitability Subscore:	8.6
CVSS Temporal Score:	5.0 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	5.0 (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 2011-0610.
#

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

if (description)
{
  script_id(51820);
  script_version("1.14");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/11");

  script_cve_id("CVE-2010-4652");
  script_bugtraq_id(44933);
  script_xref(name:"FEDORA", value:"2011-0610");

  script_name(english:"Fedora 14 : proftpd-1.3.3d-1.fc14 (2011-0610)");
  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 a security issue that could affect users of the mod_sql
module (not enabled by default).

  - A heap-based buffer overflow flaw was found in the way
    ProFTPD FTP server prepared SQL queries for certain
    usernames, when the mod_sql module was enabled. A
    remote, unauthenticated attacker could use this flaw to
    cause the proftpd daemon to crash or, potentially, to
    execute arbitrary code with the privileges of the user
    running 'proftpd' via a specially crafted username,
    provided in the authentication dialog.

The update also fixes a CPU spike when handling .ftpaccess files, and
handling of SFTP uploads when compression is used.

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=670170"
  );
  # https://lists.fedoraproject.org/pipermail/package-announce/2011-January/053540.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?d3fcc9d2"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected proftpd package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  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:"2011/01/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/01/31");
  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:"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-1.3.3d-1.fc14")) 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, "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_2011-0610.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\fedora_2011-0610.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/fedora_2011-0610.nasl

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How to Run

Here is how to run the Fedora 14 : proftpd-1.3.3d-1.fc14 (2011-0610) 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-1.3.3d-1.fc14 (2011-0610) plugin ID 51820.
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_2011-0610.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a fedora_2011-0610.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - fedora_2011-0610.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_2011-0610.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

44933

Fedora Security Update:

2011-0610

See also:

Similar and related Nessus plugins:

52660 - Debian DSA-2191-1 : proftpd-dfsg - several vulnerabilities
51821 - Fedora 13 : proftpd-1.3.3d-1.fc13 (2011-0613)
70111 - GLSA-201309-15 : ProFTPD: Multiple vulnerabilities
51916 - Mandriva Linux Security Advisory : proftpd (MDVSA-2011:023)
51366 - ProFTPD < 1.3.3d 'mod_sql' Buffer Overflow
53450 - Adobe Acrobat 9.x / 10.x Multiple Vulnerabilities (APSB11-08)
53451 - Adobe Reader 9.x / 10.x Multiple Vulnerabilities (APSB11-08)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file fedora_2011-0610.nasl version 1.14. For more plugins, visit the Nessus Plugin Library.

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Fedora 14 : proftpd-1.3.3d-1.fc14 (2011-0610) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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