GLSA-200504-10 : Gld: Remote execution of arbitrary code - Nessus

Critical Plugin ID: 18043

This page contains detailed information about the GLSA-200504-10 : Gld: Remote execution of arbitrary code 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: 18043
Name: GLSA-200504-10 : Gld: Remote execution of arbitrary code
Filename: gentoo_GLSA-200504-10.nasl
Vulnerability Published: N/A
This Plugin Published: 2005-04-14
Last Modification Time: 2021-01-06
Plugin Version: 1.17
Plugin Type: local
Plugin Family: Gentoo Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/Gentoo/qpkg-list, Host/Gentoo/release, Host/local_checks_enabled

Vulnerability Information

Severity: Critical
Vulnerability Published: N/A
Patch Published: 2005-04-13
CVE [?]: CVE-2005-1099, CVE-2005-1100
CPE [?]: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:gld

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-200504-10 (Gld: Remote execution of arbitrary code)

dong-hun discovered several buffer overflows in server.c, as well as several format string vulnerabilities in cnf.c. Impact :

An attacker could exploit this vulnerability to execute arbitrary code with the permissions of the user running Gld, the default user being root. Workaround :

There is no known workaround at this time.

Solution

All Gld users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose '>=mail-filter/gld-1.5'

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 GLSA-200504-10 : Gld: Remote execution of arbitrary code vulnerability:

Metasploit: exploit/linux/misc/gld_postfix
[GLD (Greylisting Daemon) Postfix Buffer Overflow]
Exploit-DB: exploits/linux/remote/10023.rb
[EDB-10023: Salim Gasmi GLD (Greylisting Daemon) 1.0 < 1.4 - Postfix Greylisting Buffer Overflow (Metasploit)]
Exploit-DB: exploits/linux/remote/16841.rb
[EDB-16841: Salim Gasmi GLD (Greylisting Daemon) - Postfix 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:N/C:C/I:C/A:C

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	NA (None)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	10.0 (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 Gentoo Linux Security Advisory GLSA 200504-10.
#
# The advisory text is Copyright (C) 2001-2018 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike 
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#

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

if (description)
{
  script_id(18043);
  script_version("1.17");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");

  script_cve_id("CVE-2005-1099", "CVE-2005-1100");
  script_xref(name:"GLSA", value:"200504-10");

  script_name(english:"GLSA-200504-10 : Gld: Remote execution of arbitrary code");
  script_summary(english:"Checks for updated package(s) in /var/db/pkg");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Gentoo host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote host is affected by the vulnerability described in GLSA-200504-10
(Gld: Remote execution of arbitrary code)

    dong-hun discovered several buffer overflows in server.c, as well as
    several format string vulnerabilities in cnf.c.
  
Impact :

    An attacker could exploit this vulnerability to execute arbitrary code
    with the permissions of the user running Gld, the default user being
    root.
  
Workaround :

    There is no known workaround at this time."
  );
  # http://securitytracker.com/alerts/2005/Apr/1013678.html
  script_set_attribute(
    attribute:"see_also",
    value:"https://securitytracker.com/id/1013678"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/200504-10"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All Gld users should upgrade to the latest version:
    # emerge --sync
    # emerge --ask --oneshot --verbose '>=mail-filter/gld-1.5'"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  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:'GLD (Greylisting Daemon) Postfix 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:gentoo:linux:gld");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2005/04/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/04/14");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2005-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Gentoo Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("qpkg.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo");
if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (qpkg_check(package:"mail-filter/gld", unaffected:make_list("ge 1.5"), vulnerable:make_list("le 1.4"))) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:qpkg_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = qpkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "Gld");
}

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/gentoo_GLSA-200504-10.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\gentoo_GLSA-200504-10.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/gentoo_GLSA-200504-10.nasl

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How to Run

Here is how to run the GLSA-200504-10 : Gld: Remote execution of arbitrary code 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 Gentoo Local Security Checks plugin family.
On the right side table select GLSA-200504-10 : Gld: Remote execution of arbitrary code plugin ID 18043.
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 gentoo_GLSA-200504-10.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a gentoo_GLSA-200504-10.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - gentoo_GLSA-200504-10.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 gentoo_GLSA-200504-10.nasl -t <IP/HOST>

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References

GLSA | Gentoo Linux Security Advisory:

200504-10

See also:

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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file gentoo_GLSA-200504-10.nasl version 1.17. For more plugins, visit the Nessus Plugin Library.

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GLSA-200504-10 : Gld: Remote execution of arbitrary code - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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