Vulnerabilities > CVE-2008-4551 - Resource Management Errors vulnerability in Strongswan

047910
CVSS 5.0 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
PARTIAL
network
low complexity
strongswan
CWE-399
nessus

Summary

strongSwan 4.2.6 and earlier allows remote attackers to cause a denial of service (daemon crash) via an IKE_SA_INIT message with a large number of NULL values in a Key Exchange payload, which triggers a NULL pointer dereference for the return value of the mpz_export function in the GNU Multiprecision Library (GMP).

Vulnerable Configurations

Part Description Count
Application
Strongswan
82

Common Weakness Enumeration (CWE)

Nessus

  • NASL familySuSE Local Security Checks
    NASL idSUSE_11_0_STRONGSWAN-081016.NASL
    descriptionThis update of strongswan fixes a denial of service problem that occurs while parsing a IKE_SA_INIT message dursing key exchange. This allows an remote attacker to crash the daemon. (CVE-2008-4551)
    last seen2020-06-01
    modified2020-06-02
    plugin id40135
    published2009-07-21
    reporterThis script is Copyright (C) 2009-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/40135
    titleopenSUSE Security Update : strongswan (strongswan-255)
    code
    #%NASL_MIN_LEVEL 80502
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were
    # extracted from openSUSE Security Update strongswan-255.
    #
    # The text description of this plugin is (C) SUSE LLC.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(40135);
      script_version("1.10");
      script_cvs_date("Date: 2019/10/25 13:36:31");
    
      script_cve_id("CVE-2008-4551");
    
      script_name(english:"openSUSE Security Update : strongswan (strongswan-255)");
      script_summary(english:"Check for the strongswan-255 patch");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote openSUSE host is missing a security update."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "This update of strongswan fixes a denial of service problem that
    occurs while parsing a IKE_SA_INIT message dursing key exchange. This
    allows an remote attacker to crash the daemon. (CVE-2008-4551)"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.novell.com/show_bug.cgi?id=392062"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.novell.com/show_bug.cgi?id=435194"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.novell.com/show_bug.cgi?id=435200"
      );
      script_set_attribute(
        attribute:"solution", 
        value:"Update the affected strongswan package."
      );
      script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
      script_cwe_id(399);
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:strongswan");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:11.0");
    
      script_set_attribute(attribute:"patch_publication_date", value:"2008/10/16");
      script_set_attribute(attribute:"plugin_publication_date", value:"2009/07/21");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2009-2019 Tenable Network Security, Inc.");
      script_family(english:"SuSE Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/rpm-list", "Host/cpu");
    
      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/SuSE/release");
    if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
    if (release !~ "^(SUSE11\.0)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "11.0", release);
    if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
    
    ourarch = get_kb_item("Host/cpu");
    if (!ourarch) audit(AUDIT_UNKNOWN_ARCH);
    if (ourarch !~ "^(i586|i686|x86_64)$") audit(AUDIT_ARCH_NOT, "i586 / i686 / x86_64", ourarch);
    
    flag = 0;
    
    if ( rpm_check(release:"SUSE11.0", reference:"strongswan-4.2.1-11.4") ) 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, "strongswan");
    }
    
  • NASL familySuSE Local Security Checks
    NASL idSUSE_STRONGSWAN-5693.NASL
    descriptionThis update of strongswan fixes a denial of service problem that occurs while parsing a IKE_SA_INIT message dursing key exchange. This allows an remote attacker to crash the daemon. (CVE-2008-4551)
    last seen2020-06-01
    modified2020-06-02
    plugin id41585
    published2009-09-24
    reporterThis script is Copyright (C) 2009-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/41585
    titleSuSE 10 Security Update : strongswan (ZYPP Patch Number 5693)
    code
    #%NASL_MIN_LEVEL 80502
    #
    # (C) Tenable Network Security, Inc.
    #
    # The text description of this plugin is (C) Novell, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(41585);
      script_version ("1.9");
      script_cvs_date("Date: 2019/10/25 13:36:33");
    
      script_cve_id("CVE-2008-4551");
    
      script_name(english:"SuSE 10 Security Update : strongswan (ZYPP Patch Number 5693)");
      script_summary(english:"Checks rpm output for the updated packages");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote SuSE 10 host is missing a security-related patch."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "This update of strongswan fixes a denial of service problem that
    occurs while parsing a IKE_SA_INIT message dursing key exchange. This
    allows an remote attacker to crash the daemon. (CVE-2008-4551)"
      );
      script_set_attribute(
        attribute:"see_also",
        value:"http://support.novell.com/security/cve/CVE-2008-4551.html"
      );
      script_set_attribute(attribute:"solution", value:"Apply ZYPP patch number 5693.");
      script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
      script_cwe_id(399);
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:suse:suse_linux");
    
      script_set_attribute(attribute:"patch_publication_date", value:"2008/10/17");
      script_set_attribute(attribute:"plugin_publication_date", value:"2009/09/24");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2009-2019 Tenable Network Security, Inc.");
      script_family(english:"SuSE Local Security Checks");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");
    
      exit(0);
    }
    
    
    include("global_settings.inc");
    include("rpm.inc");
    
    
    if (!get_kb_item("Host/local_checks_enabled")) exit(0, "Local checks are not enabled.");
    if (!get_kb_item("Host/SuSE/release")) exit(0, "The host is not running SuSE.");
    if (!get_kb_item("Host/SuSE/rpm-list")) exit(1, "Could not obtain the list of installed packages.");
    
    cpu = get_kb_item("Host/cpu");
    if (isnull(cpu)) exit(1, "Failed to determine the architecture type.");
    if (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") exit(1, "Local checks for SuSE 10 on the '"+cpu+"' architecture have not been implemented.");
    
    
    flag = 0;
    if (rpm_check(release:"SLES10", sp:2, reference:"strongswan-4.1.10-0.5")) flag++;
    if (rpm_check(release:"SLES10", sp:2, reference:"strongswan-doc-4.1.10-0.5")) flag++;
    
    
    if (flag)
    {
      if (report_verbosity > 0) security_warning(port:0, extra:rpm_report_get());
      else security_warning(0);
      exit(0);
    }
    else exit(0, "The host is not affected.");