Vulnerabilities > CVE-2009-1958 - 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

charon/sa/tasks/child_create.c in the charon daemon in strongSWAN before 4.3.1 switches the NULL checks for TSi and TSr payloads, which allows remote attackers to cause a denial of service via an IKE_AUTH request without a (1) TSi or (2) TSr traffic selector.

Vulnerable Configurations

Part Description Count
Application
Strongswan
89

Common Weakness Enumeration (CWE)

Nessus

  • NASL familySuSE Local Security Checks
    NASL idSUSE_11_0_STRONGSWAN-090608.NASL
    descriptionThis update fixes two denial of service bugs that can lead to a remote pre-auth crash while processing a IKE_SA_INIT or a IKE_AUTH request. CVE-2009-1957 and CVE-2009-1958 have been assigned to this issue.
    last seen2020-06-01
    modified2020-06-02
    plugin id40137
    published2009-07-21
    reporterThis script is Copyright (C) 2009-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/40137
    titleopenSUSE Security Update : strongswan (strongswan-965)
    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-965.
    #
    # The text description of this plugin is (C) SUSE LLC.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(40137);
      script_version("1.11");
      script_cvs_date("Date: 2019/10/25 13:36:34");
    
      script_cve_id("CVE-2009-1957", "CVE-2009-1958");
    
      script_name(english:"openSUSE Security Update : strongswan (strongswan-965)");
      script_summary(english:"Check for the strongswan-965 patch");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote openSUSE host is missing a security update."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "This update fixes two denial of service bugs that can lead to a remote
    pre-auth crash while processing a IKE_SA_INIT or a IKE_AUTH request.
    CVE-2009-1957 and CVE-2009-1958 have been assigned to this issue."
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.novell.com/show_bug.cgi?id=507742"
      );
      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:"2009/06/08");
      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-4.2.1-11.8") ) 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 familyDebian Local Security Checks
    NASL idDEBIAN_DSA-1899.NASL
    descriptionSeveral remote vulnerabilities have been discovered in strongswan, an implementation of the IPSEC and IKE protocols. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2009-1957 CVE-2009-1958 The charon daemon can crash when processing certain crafted IKEv2 packets. (The old stable distribution (etch) was not affected by these two problems because it lacks IKEv2 support.) - CVE-2009-2185 CVE-2009-2661 The pluto daemon could crash when processing a crafted X.509 certificate.
    last seen2020-06-01
    modified2020-06-02
    plugin id44764
    published2010-02-24
    reporterThis script is Copyright (C) 2010-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/44764
    titleDebian DSA-1899-1 : strongswan - several vulnerabilities
  • NASL familySuSE Local Security Checks
    NASL idSUSE_STRONGSWAN-6286.NASL
    descriptionThis update fixes two denial of service bugs that can lead to a remote pre-auth crash while processing a IKE_SA_INIT or a IKE_AUTH request. CVE-2009-1957 / CVE-2009-1958 have been assigned to this issue.
    last seen2020-06-01
    modified2020-06-02
    plugin id41587
    published2009-09-24
    reporterThis script is Copyright (C) 2009-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/41587
    titleSuSE 10 Security Update : strongswan (ZYPP Patch Number 6286)
  • NASL familySuSE Local Security Checks
    NASL idSUSE_11_1_STRONGSWAN-090608.NASL
    descriptionThis update fixes two denial of service bugs that can lead to a remote pre-auth crash while processing a IKE_SA_INIT or a IKE_AUTH request. CVE-2009-1957 and CVE-2009-1958 have been assigned to this issue.
    last seen2020-06-01
    modified2020-06-02
    plugin id40312
    published2009-07-21
    reporterThis script is Copyright (C) 2009-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/40312
    titleopenSUSE Security Update : strongswan (strongswan-965)
  • NASL familySuSE Local Security Checks
    NASL idSUSE_11_STRONGSWAN-090608.NASL
    descriptionThis update fixes two denial of service bugs that can lead to a remote pre-auth crash while processing a IKE_SA_INIT or a IKE_AUTH request. CVE-2009-1957 / CVE-2009-1958 have been assigned to this issue.
    last seen2020-06-01
    modified2020-06-02
    plugin id41455
    published2009-09-24
    reporterThis script is Copyright (C) 2009-2019 Tenable Network Security, Inc.
    sourcehttps://www.tenable.com/plugins/nessus/41455
    titleSuSE 11 Security Update : strongswan (SAT Patch Number 966)