Mandrake Linux Security Advisory : squid (MDKSA-2004:059) - Nessus

Critical Plugin ID: 14158

This page contains detailed information about the Mandrake Linux Security Advisory : squid (MDKSA-2004:059) 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: 14158
Name: Mandrake Linux Security Advisory : squid (MDKSA-2004:059)
Filename: mandrake_MDKSA-2004-059.nasl
Vulnerability Published: N/A
This Plugin Published: 2004-07-31
Last Modification Time: 2021-01-06
Plugin Version: 1.21
Plugin Type: local
Plugin Family: Mandriva Local Security Checks
Dependencies: ssh_get_info.nasl
Required KB Items [?]: Host/cpu, Host/local_checks_enabled, Host/Mandrake/release, Host/Mandrake/rpm-list

Vulnerability Information

Severity: Critical
Vulnerability Published: N/A
Patch Published: 2004-06-09
CVE [?]: CVE-2004-0541
CPE [?]: cpe:/o:mandrakesoft:mandrake_linux:9.1, cpe:/o:mandrakesoft:mandrake_linux:9.2, cpe:/o:mandrakesoft:mandrake_linux:10.0, p-cpe:/a:mandriva:linux:squid

Synopsis

The remote Mandrake Linux host is missing a security update.

Description

A vulnerability exists in squid's NTLM authentication helper. This buffer overflow can be exploited by a remote attacker by sending an overly long password, thus overflowing the buffer and granting the ability to execute arbitrary code. This can only be exploited, however, if NTLM authentication is used. NTLM authentication is built by default in Mandrakelinux packages, but is not enabled in the default configuration.

The vulnerability exists in 2.5.*-STABLE and 3.*-PRE. The provided packages are patched to fix this problem.

Solution

Update the affected squid 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 Mandrake Linux Security Advisory : squid (MDKSA-2004:059) vulnerability:

Metasploit: exploit/linux/proxy/squid_ntlm_authenticate
[Squid NTLM Authenticate Overflow]
Exploit-DB: exploits/multiple/remote/9951.rb
[EDB-9951: Squid 2.5.x/3.x - NTLM Buffer Overflow (Metasploit)]
Exploit-DB: exploits/linux/remote/16847.rb
[EDB-16847: Squid - NTLM (Authenticated) 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 Mandrake Linux Security Advisory MDKSA-2004:059. 
# The text itself is copyright (C) Mandriva S.A.
#

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

if (description)
{
  script_id(14158);
  script_version("1.21");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");

  script_cve_id("CVE-2004-0541");
  script_xref(name:"MDKSA", value:"2004:059");

  script_name(english:"Mandrake Linux Security Advisory : squid (MDKSA-2004:059)");
  script_summary(english:"Checks rpm output for the updated package");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Mandrake Linux host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"A vulnerability exists in squid's NTLM authentication helper. This
buffer overflow can be exploited by a remote attacker by sending an
overly long password, thus overflowing the buffer and granting the
ability to execute arbitrary code. This can only be exploited,
however, if NTLM authentication is used. NTLM authentication is built
by default in Mandrakelinux packages, but is not enabled in the
default configuration.

The vulnerability exists in 2.5.*-STABLE and 3.*-PRE. The provided
packages are patched to fix this problem."
  );
  # http://www.idefense.com/application/poi/display?id=107&type=vulnerabilities
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?f742b61a"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected squid package.");
  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:'Squid NTLM Authenticate 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:mandriva:linux:squid");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandrakesoft:mandrake_linux:10.0");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandrakesoft:mandrake_linux:9.1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:mandrakesoft:mandrake_linux:9.2");

  script_set_attribute(attribute:"patch_publication_date", value:"2004/06/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2004/07/31");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2004-2021 Tenable Network Security, Inc.");
  script_family(english:"Mandriva Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/Mandrake/release", "Host/Mandrake/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);
if (!get_kb_item("Host/Mandrake/release")) audit(AUDIT_OS_NOT, "Mandriva / Mandake Linux");
if (!get_kb_item("Host/Mandrake/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^(amd64|i[3-6]86|x86_64)$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Mandriva / Mandrake Linux", cpu);


flag = 0;
if (rpm_check(release:"MDK10.0", reference:"squid-2.5.STABLE4-1.2.100mdk", yank:"mdk")) flag++;

if (rpm_check(release:"MDK9.1", cpu:"i386", reference:"squid-2.5.STABLE1-7.2.91mdk", yank:"mdk")) flag++;

if (rpm_check(release:"MDK9.2", reference:"squid-2.5.STABLE3-3.2.92mdk", yank:"mdk")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/mandrake_MDKSA-2004-059.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\mandrake_MDKSA-2004-059.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/mandrake_MDKSA-2004-059.nasl

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How to Run

Here is how to run the Mandrake Linux Security Advisory : squid (MDKSA-2004:059) 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 Mandriva Local Security Checks plugin family.
On the right side table select Mandrake Linux Security Advisory : squid (MDKSA-2004:059) plugin ID 14158.
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 mandrake_MDKSA-2004-059.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a mandrake_MDKSA-2004-059.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - mandrake_MDKSA-2004-059.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 mandrake_MDKSA-2004-059.nasl -t <IP/HOST>

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References

MDKSA | Mandrake Linux Security Advisory:

2004:059

See also:

Similar and related Nessus plugins:

36518 - FreeBSD : Buffer overflow in Squid NTLM authentication helper (6f955451-ba54-11d8-b88c-000d610a3b12)
14524 - GLSA-200406-13 : Squid: NTLM authentication helper buffer overflow
12504 - RHEL 3 : squid (RHSA-2004:242)
12294 - Squid ntlm_check_auth Function NTLM Authentication Helper Password Handling Remote Overflow
13832 - SuSE-SA:2004:016: squid

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file mandrake_MDKSA-2004-059.nasl version 1.21. For more plugins, visit the Nessus Plugin Library.

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Mandrake Linux Security Advisory : squid (MDKSA-2004:059) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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