Fedora: Security Advisory for avahi (FEDORA-2021-b252318a99)

# Copyright (C) 2021 Greenbone Networks GmbH
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.879988");
  script_version("2021-08-24T09:58:36+0000");
  script_cve_id("CVE-2021-36217");
  script_tag(name:"cvss_base", value:"2.1");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2021-08-24 09:58:36 +0000 (Tue, 24 Aug 2021)");
  script_tag(name:"creation_date", value:"2021-08-19 07:17:29 +0000 (Thu, 19 Aug 2021)");
  script_name("Fedora: Security Advisory for avahi (FEDORA-2021-b252318a99)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("Fedora Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/fedora", "ssh/login/rpms", re:"ssh/login/release=FC33");

  script_xref(name:"Advisory-ID", value:"FEDORA-2021-b252318a99");
  script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEY7TOVE45WLMCPR4YIFVLCT43CPTOS");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'avahi'
  package(s) announced via the FEDORA-2021-b252318a99 advisory.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable package version is present on the target host.");

  script_tag(name:"insight", value:"Avahi is a system which facilitates service discovery on
a local network -- this means that you can plug your laptop or
computer into a network and instantly be able to view other people who
you can chat with, find printers to print to or find files being
shared. This kind of technology is already found in MacOS X (branded
&#39, Rendezvous&#39, , &#39, Bonjour&#39, and sometimes &#39, ZeroConf&#39, ) and is very
convenient.");

  script_tag(name:"affected", value:"'avahi' package(s) on Fedora 33.");

  script_tag(name:"solution", value:"Please install the updated package(s).");

  script_tag(name:"solution_type", value:"VendorFix");
  script_tag(name:"qod_type", value:"package");

  exit(0);
}

include("revisions-lib.inc");
include("pkg-lib-rpm.inc");

release = rpm_get_ssh_release();
if(!release)
  exit(0);

res = "";
report = "";

if(release == "FC33") {

  if(!isnull(res = isrpmvuln(pkg:"avahi", rpm:"avahi~0.8~14.fc33", rls:"FC33"))) {
    report += res;
  }

  if(report != "") {
    security_message(data:report);
  } else if(__pkg_match) {
    exit(99);
  }
  exit(0);
}

exit(0);