SUSE SLED11 / SLES11 Security Update : strongswan (SUSE-SU-2015:1227-1)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from SUSE update advisory SUSE-SU-2015:1227-1.
# The text itself is copyright (C) SUSE.
#

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

if (description)
{
  script_id(84724);
  script_version("2.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/06");

  script_cve_id("CVE-2015-4171");
  script_bugtraq_id(74933);

  script_name(english:"SUSE SLED11 / SLES11 Security Update : strongswan (SUSE-SU-2015:1227-1)");
  script_summary(english:"Checks rpm output for the updated packages.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote SUSE host is missing one or more security updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"strongswan was updated to fix a problem that could enable rogue
servers to gain user credentials from a client in certain IKEv2
setups. (CVE-2015-4171)

Note that Tenable Network Security has extracted the preceding
description block directly from the SUSE security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.suse.com/show_bug.cgi?id=933591"
  );
  # https://download.suse.com/patch/finder/?keywords=812b92d737144f4bab961ce3080050bc
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?51b3cc55"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://www.suse.com/security/cve/CVE-2015-4171/"
  );
  # https://www.suse.com/support/update/announcement/2015/suse-su-20151227-1.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?4ee287aa"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"To install this SUSE Security Update use YaST online_update.
Alternatively you can run the command listed for your product :

SUSE Linux Enterprise Server 11 SP3 for VMware :

zypper in -t patch slessp3-strongswan=10739

SUSE Linux Enterprise Server 11 SP3 :

zypper in -t patch slessp3-strongswan=10739

SUSE Linux Enterprise Desktop 11 SP3 :

zypper in -t patch sledsp3-strongswan=10739

To bring your system up-to-date, use 'zypper patch'."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:N/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:strongswan");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:suse_linux:strongswan-doc");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:suse_linux:11");

  script_set_attribute(attribute:"vuln_publication_date", value:"2015/06/10");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/07/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/07/14");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2015-2021 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/cpu", "Host/SuSE/release", "Host/SuSE/rpm-list");

  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, "SUSE");
os_ver = pregmatch(pattern: "^(SLE(S|D)\d+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "SUSE");
os_ver = os_ver[1];
if (! preg(pattern:"^(SLED11|SLES11)$", string:os_ver)) audit(AUDIT_OS_NOT, "SUSE SLED11 / SLES11", "SUSE " + os_ver);

if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu !~ "^i[3-6]86$" && "x86_64" >!< cpu && "s390x" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "SUSE " + os_ver, cpu);

sp = get_kb_item("Host/SuSE/patchlevel");
if (isnull(sp)) sp = "0";
if (os_ver == "SLES11" && (! preg(pattern:"^(3)$", string:sp))) audit(AUDIT_OS_NOT, "SLES11 SP3", os_ver + " SP" + sp);
if (os_ver == "SLED11" && (! preg(pattern:"^(3)$", string:sp))) audit(AUDIT_OS_NOT, "SLED11 SP3", os_ver + " SP" + sp);


flag = 0;
if (rpm_check(release:"SLES11", sp:"3", reference:"strongswan-4.4.0-6.27.1")) flag++;
if (rpm_check(release:"SLES11", sp:"3", reference:"strongswan-doc-4.4.0-6.27.1")) flag++;
if (rpm_check(release:"SLED11", sp:"3", cpu:"x86_64", reference:"strongswan-4.4.0-6.27.1")) flag++;
if (rpm_check(release:"SLED11", sp:"3", cpu:"x86_64", reference:"strongswan-doc-4.4.0-6.27.1")) flag++;
if (rpm_check(release:"SLED11", sp:"3", cpu:"i586", reference:"strongswan-4.4.0-6.27.1")) flag++;
if (rpm_check(release:"SLED11", sp:"3", cpu:"i586", reference:"strongswan-doc-4.4.0-6.27.1")) flag++;


if (flag)
{
  if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get());
  else security_note(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "strongswan");
}