Fedora 31 : adns (2020-e59bcaf702)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2020-e59bcaf702.
#

include('compat.inc');

if (description)
{
  script_id(137928);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/05");

  script_cve_id(
    "CVE-2017-9103",
    "CVE-2017-9104",
    "CVE-2017-9105",
    "CVE-2017-9106",
    "CVE-2017-9107",
    "CVE-2017-9108",
    "CVE-2017-9109"
  );
  script_xref(name:"FEDORA", value:"2020-e59bcaf702");

  script_name(english:"Fedora 31 : adns (2020-e59bcaf702)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"New upstream release

  - Important security fixes: CVE-2017-9103 CVE-2017-9104
    CVE-2017-9105 CVE-2017-9109: 	Vulnerable
    applications: all adns callers. Exploitable by: the
    local recursive resolver. 	Likely worst case: Remote
    code execution. CVE-2017-9106: 	Vulnerable
    applications: those that make SOA queries. Exploitable
    by: upstream DNS data sources. 	Likely worst case:
    DoS (crash of the adns-using application) CVE-2017-9107:
    	Vulnerable applications: those that use
    adns_qf_quoteok_query. Exploitable by: sources of query
    domain names. 	Likely worst case: DoS (crash of the
    adns-using application) CVE-2017-9108: 	Vulnerable
    applications: adnshost. Exploitable by: code responsible
    for framing the input. Likely worst case: DoS (adnshost
    crashes at EOF). All found by AFL 2.35b. Thanks to the
    University of Cambridge Department of Applied
    Mathematics for computing facilities.

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-e59bcaf702");
  script_set_attribute(attribute:"solution", value:
"Update the affected adns package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  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_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2017-9109");

  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:"2020/06/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/07/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/07/01");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:adns");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:31");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.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");


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:"^31([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 31", "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);


flag = 0;
if (rpm_check(release:"FC31", reference:"adns-1.6.0-1.fc31")) 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, "adns");
}