GLSA-200709-14 : ClamAV: Multiple vulnerabilities - Nessus

High Plugin ID: 26104

This page contains detailed information about the GLSA-200709-14 : ClamAV: Multiple vulnerabilities Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

hide

Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 26104
Name: GLSA-200709-14 : ClamAV: Multiple vulnerabilities
Filename: gentoo_GLSA-200709-14.nasl
Vulnerability Published: N/A
This Plugin Published: 2007-09-24
Last Modification Time: 2021-01-06
Plugin Version: 1.14
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: High
Vulnerability Published: N/A
Patch Published: 2007-09-20
CVE [?]: CVE-2007-4510, CVE-2007-4560
CPE [?]: cpe:/o:gentoo:linux, p-cpe:/a:gentoo:linux:clamav

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-200709-14 (ClamAV: Multiple vulnerabilities)

Nikolaos Rangos discovered a vulnerability in ClamAV which exists because the recipient address extracted from email messages is not properly sanitized before being used in a call to 'popen()' when executing sendmail (CVE-2007-4560). Also, NULL pointer dereference errors exist within the 'cli_scanrtf()' function in libclamav/rtf.c and Stefanos Stamatis discovered a NULL pointer dereference vulnerability within the 'cli_html_normalise()' function in libclamav/htmlnorm.c (CVE-2007-4510). Impact :

The unsanitized recipient address can be exploited to execute arbitrary code with the privileges of the clamav-milter process by sending an email with a specially crafted recipient address to the affected system. Also, the NULL pointer dereference errors can be exploited to crash ClamAV. Successful exploitation of the latter vulnerability requires that clamav-milter is started with the 'black hole' mode activated, which is not enabled by default. Workaround :

There is no known workaround at this time.

Solution

All ClamAV users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose '>=app-antivirus/clamav-0.91.2'

Public Exploits

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

Here's the list of publicly known exploits and PoCs for verifying the GLSA-200709-14 : ClamAV: Multiple vulnerabilities vulnerability:

Metasploit: exploit/unix/smtp/clamav_milter_blackhole
[ClamAV Milter Blackhole-Mode Remote Code Execution]
Exploit-DB: exploits/multiple/remote/9913.rb
[EDB-9913: ClamAV Milter 0.92.2 - Blackhole-Mode (Sendmail) Code Execution (Metasploit)]
Exploit-DB: exploits/linux/remote/16924.rb
[EDB-16924: ClamAV Milter - Blackhole-Mode Remote Code Execution (Metasploit)]
Immunity Canvas: D2ExploitPack

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:H/Au:N/C:C/I:C/A:C

CVSS Base Score:	7.6 (High)
Impact Subscore:	10.0
Exploitability Subscore:	4.9
CVSS Temporal Score:	NA (None)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	7.6 (High)

Go back to menu.

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 200709-14.
#
# The advisory text is Copyright (C) 2001-2015 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(26104);
  script_version("1.14");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");

  script_cve_id("CVE-2007-4510", "CVE-2007-4560");
  script_xref(name:"GLSA", value:"200709-14");

  script_name(english:"GLSA-200709-14 : ClamAV: Multiple vulnerabilities");
  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-200709-14
(ClamAV: Multiple vulnerabilities)

    Nikolaos Rangos discovered a vulnerability in ClamAV which exists
    because the recipient address extracted from email messages is not
    properly sanitized before being used in a call to 'popen()' when
    executing sendmail (CVE-2007-4560). Also, NULL pointer dereference
    errors exist within the 'cli_scanrtf()' function in libclamav/rtf.c and
    Stefanos Stamatis discovered a NULL pointer dereference vulnerability
    within the 'cli_html_normalise()' function in libclamav/htmlnorm.c
    (CVE-2007-4510).
  
Impact :

    The unsanitized recipient address can be exploited to execute arbitrary
    code with the privileges of the clamav-milter process by sending an
    email with a specially crafted recipient address to the affected
    system. Also, the NULL pointer dereference errors can be exploited to
    crash ClamAV. Successful exploitation of the latter vulnerability
    requires that clamav-milter is started with the 'black hole' mode
    activated, which is not enabled by default.
  
Workaround :

    There is no known workaround at this time."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/200709-14"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All ClamAV users should upgrade to the latest version:
    # emerge --sync
    # emerge --ask --oneshot --verbose '>=app-antivirus/clamav-0.91.2'"
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/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:'ClamAV Milter Blackhole-Mode Remote Code Execution');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:'D2ExploitPack');
  script_cwe_id(78);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:clamav");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2007/09/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2007/09/24");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2007-2021 Tenable Network Security, Inc.");
  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:"app-antivirus/clamav", unaffected:make_list("ge 0.91.2"), vulnerable:make_list("lt 0.91.2"))) 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, "ClamAV");
}

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-200709-14.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\gentoo_GLSA-200709-14.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/gentoo_GLSA-200709-14.nasl

Go back to menu.

How to Run

Here is how to run the GLSA-200709-14 : ClamAV: Multiple vulnerabilities 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-200709-14 : ClamAV: Multiple vulnerabilities plugin ID 26104.
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-200709-14.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a gentoo_GLSA-200709-14.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-200709-14.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-200709-14.nasl -t <IP/HOST>

Go back to menu.

References

GLSA | Gentoo Linux Security Advisory:

200709-14

CWE | Common Weakness Enumeration:

CWE-78 (Weakness) Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

See also:

Similar and related Nessus plugins:

29830 - ClamAV clamav-milter black-hole-mode Sendmail Recipient Field Arbitrary Command Execution
25966 - Debian DSA-1366-1 : clamav - several vulnerabilities
27747 - Fedora 7 : clamav-0.91.2-2.fc7 (2007-2050)
31605 - Mac OS X Multiple Vulnerabilities (Security Update 2008-002)
25969 - Mandrake Linux Security Advisory : clamav (MDKSA-2007:172)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file gentoo_GLSA-200709-14.nasl version 1.14. For more plugins, visit the Nessus Plugin Library.

Go back to menu.

GLSA-200709-14 : ClamAV: Multiple vulnerabilities - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

Nessus Plugin Library

Solving Problems with Office 365 Email from GoDaddy

Empire Module Library

CrackMapExec Module Library

Metasploit Android Modules

Top 16 Active Directory Vulnerabilities

Top 10 Vulnerabilities: Internal Infrastructure Pentest

Terminal Escape Injection

Cisco Password Cracking and Decrypting Guide

Capture Passwords using Wireshark

SSH Brute Force Attack Tool using PuTTY / Plink (ssh-putty-brute.ps1)

SMB Brute Force Attack Tool in PowerShell (SMBLogin.ps1)

Port Scanner in PowerShell (TCP/UDP)

Nessus CSV Parser and Extractor

Default Password Scanner (default-http-login-hunter.sh)