openSUSE Security Update : libxls (openSUSE-2021-812)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2021-812.
#
# The text description of this plugin is (C) SUSE LLC.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(150088);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/12/28");

  script_cve_id("CVE-2020-27819");

  script_name(english:"openSUSE Security Update : libxls (openSUSE-2021-812)");

  script_set_attribute(attribute:"synopsis", value:
"The remote openSUSE host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"This update for libxls fixes the following issues :

libxsl was updated to release 1.6.2 :

  - Fix NULL pointer dereferences in the xls2csv tool
    [boo#1179532] [CVE-2020-27819]

Update to release 1.6.1

  - Enabled decoding of non-Unicode character sets in older
    (BIFF5) XLS files.

  - Improved string conversion performance in newer files.

update to 1.5.3 :

  - Allow truncated XLS files

  - Fix long-standing 'extra column' bug #73

  - Support for RSTRING records (rich-text cells in older
    BIFF5 files) tidyverse/readxl#611");
  script_set_attribute(attribute:"see_also", value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1179532");
  script_set_attribute(attribute:"solution", value:
"Update the affected libxls packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:N/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:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-27819");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/02/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/05/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/06/01");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxls-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxls-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxls-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxls-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxls-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxlsreader8");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libxlsreader8-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:15.2");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"SuSE Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  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\.2)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "15.2", 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:"SUSE15.2", reference:"libxls-debuginfo-1.6.2-lp152.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"libxls-debugsource-1.6.2-lp152.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"libxls-devel-1.6.2-lp152.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"libxls-tools-1.6.2-lp152.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"libxls-tools-debuginfo-1.6.2-lp152.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"libxlsreader8-1.6.2-lp152.2.3.1") ) flag++;
if ( rpm_check(release:"SUSE15.2", reference:"libxlsreader8-debuginfo-1.6.2-lp152.2.3.1") ) 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, "libxls-debuginfo / libxls-debugsource / libxls-devel / libxls-tools / etc");
}