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This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.FEDORA_2020-57BF620276.NASL
HistoryJun 04, 2020 - 12:00 a.m.

Fedora 32 : kernel (2020-57bf620276)

2020-06-0400:00:00
This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
27

The 5.6.14 stable kernel update contains a number of important fixes across the tree

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2020-57bf620276.
#

include("compat.inc");

if (description)
{
  script_id(137114);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/09");

  script_cve_id("CVE-2020-12888");
  script_xref(name:"FEDORA", value:"2020-57bf620276");

  script_name(english:"Fedora 32 : kernel (2020-57bf620276)");
  script_summary(english:"Checks rpm output for the updated package.");

  script_set_attribute(
    attribute:"synopsis",
    value:"The remote Fedora host is missing a security update."
  );
  script_set_attribute(
    attribute:"description",
    value:
"The 5.6.14 stable kernel update contains a number of important fixes
across the tree

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora update system website.
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://bodhi.fedoraproject.org/updates/FEDORA-2020-57bf620276"
  );
  script_set_attribute(
    attribute:"solution",
    value:"Update the affected kernel package."
  );
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:N/I:N/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/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:fedoraproject:fedora:kernel");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:32");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/05/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/05/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/06/04");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Fedora Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
include("ksplice.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) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! preg(pattern:"^32([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 32", "Fedora " + 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 ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);

if (get_one_kb_item("Host/ksplice/kernel-cves"))
{
  rm_kb_item(name:"Host/uptrack-uname-r");
  cve_list = make_list("CVE-2020-12888");
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for FEDORA-2020-57bf620276");
  }
  else
  {
    __rpm_report = ksplice_reporting_text();
  }
}

flag = 0;
if (rpm_check(release:"FC32", reference:"kernel-5.6.14-300.fc32")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    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, "kernel");
}
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