Scientific Linux Security Update : nss-util on SL6.x, SL7.x x86_64 (20170420)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#

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

if (description)
{
  script_id(99620);
  script_version("3.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/14");

  script_cve_id("CVE-2017-5461");

  script_name(english:"Scientific Linux Security Update : nss-util on SL6.x, SL7.x x86_64 (20170420)");
  script_summary(english:"Checks rpm output for the updated packages");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Scientific Linux host is missing one or more security
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Security Fix(es) :

  - An out-of-bounds write flaw was found in the way NSS
    performed certain Base64-decoding operations. An
    attacker could use this flaw to create a specially
    crafted certificate which, when parsed by NSS, could
    cause it to crash or execute arbitrary code, using the
    permissions of the user running an application compiled
    against the NSS library. (CVE-2017-5461)"
  );
  # https://listserv.fnal.gov/scripts/wa.exe?A2=ind1704&L=scientific-linux-errata&F=&S=&P=18680
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?c4f16ba3"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Update the affected nss-util, nss-util-debuginfo and / or
nss-util-devel packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:nss-util");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:nss-util-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:nss-util-devel");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/05/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/04/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/04/24");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Scientific Linux Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Scientific Linux " >!< release) audit(AUDIT_HOST_NOT, "running Scientific Linux");
os_ver = pregmatch(pattern: "Scientific Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Scientific Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Scientific Linux 7.x", "Scientific Linux " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

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


flag = 0;
if (rpm_check(release:"SL6", cpu:"x86_64", reference:"nss-util-3.21.4-1.el6_7")) flag++;
if (rpm_check(release:"SL6", cpu:"x86_64", reference:"nss-util-debuginfo-3.21.4-1.el6_7")) flag++;
if (rpm_check(release:"SL6", cpu:"x86_64", reference:"nss-util-devel-3.21.4-1.el6_7")) flag++;

if (rpm_check(release:"SL7", cpu:"x86_64", reference:"nss-util-3.21.4-1.el7_2")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"nss-util-debuginfo-3.21.4-1.el7_2")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"nss-util-devel-3.21.4-1.el7_2")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "nss-util / nss-util-debuginfo / nss-util-devel");
}