openSUSE Security Update : bash (openSUSE-2016-1374) (Shellshock)

#%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-2016-1374.
#
# The text description of this plugin is (C) SUSE LLC.
#

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

if (description)
{
  script_id(95529);
  script_version("3.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2014-6277", "CVE-2014-6278", "CVE-2016-0634", "CVE-2016-7543");
  script_xref(name:"IAVA", value:"2014-A-0142");

  script_name(english:"openSUSE Security Update : bash (openSUSE-2016-1374) (Shellshock)");
  script_summary(english:"Check for the openSUSE-2016-1374 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 bash fixes the following issues :

  - CVE-2016-7543: Local attackers could have executed
    arbitrary commands via specially crafted SHELLOPTS+PS4
    variables (bsc#1001299)

  - CVE-2016-0634: Malicious hostnames could have allowed
    arbitrary command execution when $HOSTNAME was expanded
    in the prompt (bsc#1000396)

  - CVE-2014-6277: More troubles with functions (bsc#898812,
    bsc#1001759)

  - CVE-2014-6278: Code execution after original 6271 fix
    (bsc#898884)

This update was imported from the SUSE:SLE-12:Update update project."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1000396"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1001299"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1001759"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=898812"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=898884"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected bash packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'CUPS Filter Bash Environment Variable Code Injection (Shellshock)');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:bash");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:bash-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:bash-debuginfo-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:bash-debugsource");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:bash-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:bash-lang");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:bash-loadables");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:bash-loadables-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libreadline6");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libreadline6-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libreadline6-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:libreadline6-debuginfo-32bit");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:readline-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:readline-devel-32bit");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:42.1");

  script_set_attribute(attribute:"patch_publication_date", value:"2016/12/01");
  script_set_attribute(attribute:"in_the_news", value:"true");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/12/05");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2021 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 !~ "^(SUSE42\.1)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "42.1", 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:"SUSE42.1", reference:"bash-4.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"bash-debuginfo-4.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"bash-debugsource-4.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"bash-devel-4.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"bash-lang-4.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"bash-loadables-4.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"bash-loadables-debuginfo-4.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"libreadline6-6.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"libreadline6-debuginfo-6.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", reference:"readline-devel-6.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", cpu:"x86_64", reference:"bash-debuginfo-32bit-4.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", cpu:"x86_64", reference:"libreadline6-32bit-6.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", cpu:"x86_64", reference:"libreadline6-debuginfo-32bit-6.2-81.1") ) flag++;
if ( rpm_check(release:"SUSE42.1", cpu:"x86_64", reference:"readline-devel-32bit-6.2-81.1") ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:rpm_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "bash / bash-debuginfo-32bit / bash-debuginfo / bash-debugsource / etc");
}