Vulnerabilities > CVE-2018-20230 - Out-of-bounds Write vulnerability in GNU Pspp 1.2.0

047910
CVSS 6.8 - MEDIUM
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
network
gnu
CWE-787
nessus

Summary

An issue was discovered in PSPP 1.2.0. There is a heap-based buffer overflow at the function read_bytes_internal in utilities/pspp-dump-sav.c, which allows attackers to cause a denial of service (application crash) or possibly have unspecified other impact.

Vulnerable Configurations

Part Description Count
Application
Gnu
1

Common Weakness Enumeration (CWE)

Nessus

  • NASL familySuSE Local Security Checks
    NASL idOPENSUSE-2019-198.NASL
    descriptionThis update for pspp to version 1.2.0 fixes the following issues: 	 Security issue fixed : - CVE-2018-20230: Fixed a heap-based buffer overflow in read_bytes_internal function that could lead to denial-of-service (bsc#1120061). Other bug fixes and changes : - Add upstream patch to avoid compiling with old Texinfo 4.13. - New experimental command SAVE DATA COLLECTION to save MDD files. - MTIME and YMDHMS variable formats now supported. - Spread sheet rendering now done via spread-sheet-widget. This update introduces a new package called spread-sheet-widget as dependency.
    last seen2020-06-01
    modified2020-06-02
    plugin id122298
    published2019-02-19
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/122298
    titleopenSUSE Security Update : pspp / spread-sheet-widget (openSUSE-2019-198)
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    # The descriptive text and package checks in this plugin were
    # extracted from openSUSE Security Update openSUSE-2019-198.
    #
    # The text description of this plugin is (C) SUSE LLC.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(122298);
      script_version("1.2");
      script_cvs_date("Date: 2020/02/12");
    
      script_cve_id("CVE-2018-20230");
    
      script_name(english:"openSUSE Security Update : pspp / spread-sheet-widget (openSUSE-2019-198)");
      script_summary(english:"Check for the openSUSE-2019-198 patch");
    
      script_set_attribute(
        attribute:"synopsis", 
        value:"The remote openSUSE host is missing a security update."
      );
      script_set_attribute(
        attribute:"description", 
        value:
    "This update for pspp to version 1.2.0 fixes the following issues: 	
    Security issue fixed :
    
      - CVE-2018-20230: Fixed a heap-based buffer overflow in
        read_bytes_internal function that could lead to
        denial-of-service (bsc#1120061).
    
    Other bug fixes and changes :
    
      - Add upstream patch to avoid compiling with old Texinfo
        4.13.
    
      - New experimental command SAVE DATA COLLECTION to save
        MDD files.
    
      - MTIME and YMDHMS variable formats now supported.
    
      - Spread sheet rendering now done via spread-sheet-widget.
    
    This update introduces a new package called spread-sheet-widget as
    dependency."
      );
      script_set_attribute(
        attribute:"see_also",
        value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1120061"
      );
      script_set_attribute(
        attribute:"solution", 
        value:"Update the affected pspp / spread-sheet-widget packages."
      );
      script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
      script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
      script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
      script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
      script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libspread-sheet-widget0");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libspread-sheet-widget0-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:pspp");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:pspp-debuginfo");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:pspp-debugsource");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:pspp-devel");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:spread-sheet-widget-debugsource");
      script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:spread-sheet-widget-devel");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.0");
    
      script_set_attribute(attribute:"vuln_publication_date", value:"2018/12/19");
      script_set_attribute(attribute:"patch_publication_date", value:"2019/03/23");
      script_set_attribute(attribute:"plugin_publication_date", value:"2019/02/19");
      script_set_attribute(attribute:"generated_plugin", value:"current");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
      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 !~ "^(SUSE15\.0)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.0", 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 !~ "^(x86_64)$") audit(AUDIT_ARCH_NOT, "x86_64", ourarch);
    
    flag = 0;
    
    if ( rpm_check(release:"SUSE15.0", reference:"libspread-sheet-widget0-0.3-lp150.2.1") ) flag++;
    if ( rpm_check(release:"SUSE15.0", reference:"libspread-sheet-widget0-debuginfo-0.3-lp150.2.1") ) flag++;
    if ( rpm_check(release:"SUSE15.0", reference:"pspp-1.2.0-lp150.2.3.1") ) flag++;
    if ( rpm_check(release:"SUSE15.0", reference:"pspp-debuginfo-1.2.0-lp150.2.3.1") ) flag++;
    if ( rpm_check(release:"SUSE15.0", reference:"pspp-debugsource-1.2.0-lp150.2.3.1") ) flag++;
    if ( rpm_check(release:"SUSE15.0", reference:"pspp-devel-1.2.0-lp150.2.3.1") ) flag++;
    if ( rpm_check(release:"SUSE15.0", reference:"spread-sheet-widget-debugsource-0.3-lp150.2.1") ) flag++;
    if ( rpm_check(release:"SUSE15.0", reference:"spread-sheet-widget-devel-0.3-lp150.2.1") ) 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, "pspp / pspp-debuginfo / pspp-debugsource / pspp-devel / etc");
    }
    
  • NASL familySuSE Local Security Checks
    NASL idOPENSUSE-2019-212.NASL
    descriptionThis update for pspp to version 1.2.0 fixes the following issues : Security issue fixed : - CVE-2018-20230: Fixed a heap-based buffer overflow in read_bytes_internal function that could lead to denial-of-service (bsc#1120061). Other bug fixes and changes : - Add upstream patch to avoid compiling with old Texinfo 4.13. - New experimental command SAVE DATA COLLECTION to save MDD files. - MTIME and YMDHMS variable formats now supported. - Spread sheet rendering now done via spread-sheet-widget. This update introduces a new package called spread-sheet-widget as dependency.
    last seen2020-06-01
    modified2020-06-02
    plugin id122395
    published2019-02-22
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/122395
    titleopenSUSE Security Update : pspp / spread-sheet-widget (openSUSE-2019-212)