Vulnerabilities > CVE-2006-2659 - Remote Denial Of Service vulnerability in Courier Mail Server Username Encoding

047910
CVSS 7.8 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
COMPLETE
network
low complexity
double-precision-incorporated
nessus

Summary

libs/comverp.c in Courier MTA before 0.53.2 allows attackers to cause a denial of service (CPU consumption) via unknown vectors involving usernames that contain the "=" (equals) character, which is not properly handled during encoding. This vulnerability is addressed in the following product release: Double Precision Incorporated, Courier MTA, 0.53.2

Nessus

  • NASL familyDebian Local Security Checks
    NASL idDEBIAN_DSA-1101.NASL
    descriptionA bug has been discovered in the Courier Mail Server that can result in a number of processes to consume arbitrary amounts of CPU power.
    last seen2020-06-01
    modified2020-06-02
    plugin id22643
    published2006-10-14
    reporterThis script is Copyright (C) 2006-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/22643
    titleDebian DSA-1101-1 : courier - programming error
    code
    #%NASL_MIN_LEVEL 80502
    
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were  
    # extracted from Debian Security Advisory DSA-1101. The text 
    # itself is copyright (C) Software in the Public Interest, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(22643);
      script_version("1.14");
      script_cvs_date("Date: 2019/08/02 13:32:19");
    
      script_cve_id("CVE-2006-2659");
      script_xref(name:"DSA", value:"1101");
    
      script_name(english:"Debian DSA-1101-1 : courier - programming error");
      script_summary(english:"Checks dpkg output for the updated package");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote Debian host is missing a security-related update."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "A bug has been discovered in the Courier Mail Server that can result
    in a number of processes to consume arbitrary amounts of CPU power."
      );
      script_set_attribute(
        attribute:"see_also",
        value:"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=368834"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"http://www.debian.org/security/2006/dsa-1101"
      );
      script_set_attribute(
        attribute:"solution", 
        value:
    "Upgrade the courier packages.
    
    For the old stable distribution (woody) this problem has been fixed in
    version 0.37.3-2.9.
    
    For the stable distribution (sarge) this problem has been fixed in
    version 0.47-4sarge5."
      );
      script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:debian:debian_linux:courier");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.0");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:debian:debian_linux:3.1");
    
      script_set_attribute(attribute:"patch_publication_date", value:"2006/06/23");
      script_set_attribute(attribute:"plugin_publication_date", value:"2006/10/14");
      script_set_attribute(attribute:"vuln_publication_date", value:"2006/06/08");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2006-2019 Tenable Network Security, Inc.");
      script_family(english:"Debian Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/local_checks_enabled", "Host/Debian/release", "Host/Debian/dpkg-l");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("debian_package.inc");
    
    
    if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    if (!get_kb_item("Host/Debian/release")) audit(AUDIT_OS_NOT, "Debian");
    if (!get_kb_item("Host/Debian/dpkg-l")) audit(AUDIT_PACKAGE_LIST_MISSING);
    
    
    flag = 0;
    if (deb_check(release:"3.0", prefix:"courier-authdaemon", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-authmysql", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-base", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-debug", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-doc", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-imap", reference:"1.4.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-ldap", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-maildrop", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-mlm", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-mta", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-pcp", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-pop", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"courier-webadmin", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.0", prefix:"sqwebmail", reference:"0.37.3-2.9")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-authdaemon", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-authmysql", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-authpostgresql", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-base", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-doc", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-faxmail", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-imap", reference:"3.0.8-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-imap-ssl", reference:"3.0.8-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-ldap", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-maildrop", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-mlm", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-mta", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-mta-ssl", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-pcp", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-pop", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-pop-ssl", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-ssl", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"courier-webadmin", reference:"0.47-4sarge5")) flag++;
    if (deb_check(release:"3.1", prefix:"sqwebmail", reference:"0.47-4sarge5")) flag++;
    
    if (flag)
    {
      if (report_verbosity > 0) security_hole(port:0, extra:deb_report_get());
      else security_hole(0);
      exit(0);
    }
    else audit(AUDIT_HOST_NOT, "affected");
    
  • NASL familyGentoo Local Security Checks
    NASL idGENTOO_GLSA-200608-06.NASL
    descriptionThe remote host is affected by the vulnerability described in GLSA-200608-06 (Courier MTA: Denial of Service vulnerability) Courier MTA has fixed a security issue relating to usernames containing the
    last seen2020-06-01
    modified2020-06-02
    plugin id22148
    published2006-08-04
    reporterThis script is Copyright (C) 2006-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/22148
    titleGLSA-200608-06 : Courier MTA: Denial of Service vulnerability
    code
    #%NASL_MIN_LEVEL 80502
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were
    # extracted from Gentoo Linux Security Advisory GLSA 200608-06.
    #
    # 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("compat.inc");
    
    if (description)
    {
      script_id(22148);
      script_version("1.14");
      script_cvs_date("Date: 2019/08/02 13:32:43");
    
      script_cve_id("CVE-2006-2659");
      script_xref(name:"GLSA", value:"200608-06");
    
      script_name(english:"GLSA-200608-06 : Courier MTA: Denial of Service vulnerability");
      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-200608-06
    (Courier MTA: Denial of Service vulnerability)
    
        Courier MTA has fixed a security issue relating to usernames containing
        the '=' character, causing high CPU utilization.
      
    Impact :
    
        An attacker could exploit this vulnerability by sending a specially
        crafted email to a mail gateway running a vulnerable version of Courier
        MTA.
      
    Workaround :
    
        There is no known workaround at this time."
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://security.gentoo.org/glsa/200608-06"
      );
      script_set_attribute(
        attribute:"solution", 
        value:
    "All Courier MTA users should upgrade to the latest version:
        # emerge --sync
        # emerge --ask --oneshot --verbose '>=mail-mta/courier-0.53.2'"
      );
      script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:courier");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");
    
      script_set_attribute(attribute:"patch_publication_date", value:"2006/08/04");
      script_set_attribute(attribute:"plugin_publication_date", value:"2006/08/04");
      script_set_attribute(attribute:"vuln_publication_date", value:"2006/06/08");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2006-2019 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:"mail-mta/courier", unaffected:make_list("ge 0.53.2"), vulnerable:make_list("lt 0.53.2"))) 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, "Courier MTA");
    }
    
  • NASL familyUbuntu Local Security Checks
    NASL idUBUNTU_USN-294-1.NASL
    descriptionA Denial of Service vulnerability has been found in the function for encoding email addresses. Addresses containing a
    last seen2020-06-01
    modified2020-06-02
    plugin id27866
    published2007-11-10
    reporterUbuntu Security Notice (C) 2007-2019 Canonical, Inc. / NASL script (C) 2018 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/27866
    titleUbuntu 5.04 / 5.10 / 6.06 LTS : courier vulnerability (USN-294-1)
    code
    #%NASL_MIN_LEVEL 80502
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were
    # extracted from Ubuntu Security Notice USN-294-1. The text 
    # itself is copyright (C) Canonical, Inc. See 
    # <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
    # trademark of Canonical, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(27866);
      script_version("1.14");
      script_cvs_date("Date: 2019/08/02 13:33:00");
    
      script_cve_id("CVE-2006-2659");
      script_xref(name:"USN", value:"294-1");
    
      script_name(english:"Ubuntu 5.04 / 5.10 / 6.06 LTS : courier vulnerability (USN-294-1)");
      script_summary(english:"Checks dpkg output for updated packages.");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:
    "The remote Ubuntu host is missing one or more security-related
    patches."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "A Denial of Service vulnerability has been found in the function for
    encoding email addresses. Addresses containing a '=' before the '@'
    character caused the Courier to hang in an endless loop, rendering the
    service unusable.
    
    Note that Tenable Network Security has extracted the preceding
    description block directly from the Ubuntu 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://usn.ubuntu.com/294-1/"
      );
      script_set_attribute(attribute:"solution", value:"Update the affected packages.");
      script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-authdaemon");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-authmysql");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-authpostgresql");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-base");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-doc");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-faxmail");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-imap");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-imap-ssl");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-ldap");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-maildrop");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-mlm");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-mta");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-mta-ssl");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-pcp");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-pop");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-pop-ssl");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-ssl");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:courier-webadmin");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:sqwebmail");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:5.04");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:5.10");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:6.06:-:lts");
    
      script_set_attribute(attribute:"patch_publication_date", value:"2006/06/09");
      script_set_attribute(attribute:"plugin_publication_date", value:"2007/11/10");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"Ubuntu Security Notice (C) 2007-2019 Canonical, Inc. / NASL script (C) 2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
      script_family(english:"Ubuntu Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");
    
      exit(0);
    }
    
    
    include("audit.inc");
    include("ubuntu.inc");
    include("misc_func.inc");
    
    if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
    release = get_kb_item("Host/Ubuntu/release");
    if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
    release = chomp(release);
    if (! ereg(pattern:"^(5\.04|5\.10|6\.06)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 5.04 / 5.10 / 6.06", "Ubuntu " + release);
    if ( ! get_kb_item("Host/Debian/dpkg-l") ) 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, "Ubuntu", cpu);
    
    flag = 0;
    
    if (ubuntu_check(osver:"5.04", pkgname:"courier-authdaemon", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-authmysql", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-authpostgresql", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-base", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-doc", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-faxmail", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-imap", pkgver:"3.0.8-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-imap-ssl", pkgver:"3.0.8-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-ldap", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-maildrop", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-mlm", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-mta", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-mta-ssl", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-pcp", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-pop", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-pop-ssl", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-ssl", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"courier-webadmin", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.04", pkgname:"sqwebmail", pkgver:"0.47-3ubuntu1.5")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-authdaemon", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-authmysql", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-authpostgresql", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-base", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-doc", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-faxmail", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-imap", pkgver:"3.0.8-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-imap-ssl", pkgver:"3.0.8-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-ldap", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-maildrop", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-mlm", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-mta", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-mta-ssl", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-pcp", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-pop", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-pop-ssl", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-ssl", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"courier-webadmin", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"5.10", pkgname:"sqwebmail", pkgver:"0.47-3ubuntu7.2")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-authdaemon", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-authmysql", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-authpostgresql", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-base", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-doc", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-faxmail", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-imap", pkgver:"3.0.8-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-imap-ssl", pkgver:"3.0.8-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-ldap", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-maildrop", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-mlm", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-mta", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-mta-ssl", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-pcp", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-pop", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-pop-ssl", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-ssl", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"courier-webadmin", pkgver:"0.47-13ubuntu5.1")) flag++;
    if (ubuntu_check(osver:"6.06", pkgname:"sqwebmail", pkgver:"0.47-13ubuntu5.1")) flag++;
    
    if (flag)
    {
      security_report_v4(
        port       : 0,
        severity   : SECURITY_HOLE,
        extra      : ubuntu_report_get()
      );
      exit(0);
    }
    else
    {
      tested = ubuntu_pkg_tests_get();
      if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
      else audit(AUDIT_PACKAGE_NOT_INSTALLED, "courier-authdaemon / courier-authmysql / courier-authpostgresql / etc");
    }