Fedora: Security Advisory for xz (FEDORA-2022-07cd35f6b8)

# Copyright (C) 2022 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("1.3.6.1.4.1.25623.1.0.820547");
  script_version("2023-10-18T05:05:17+0000");
  script_cve_id("CVE-2022-1271");
  script_tag(name:"cvss_base", value:"9.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2023-10-18 05:05:17 +0000 (Wed, 18 Oct 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-09-07 16:42:00 +0000 (Wed, 07 Sep 2022)");
  script_tag(name:"creation_date", value:"2022-05-03 01:05:15 +0000 (Tue, 03 May 2022)");
  script_name("Fedora: Security Advisory for xz (FEDORA-2022-07cd35f6b8)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 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=FC36");

  script_xref(name:"Advisory-ID", value:"FEDORA-2022-07cd35f6b8");
  script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P73NDXTXANXRAABWFYBJL34R7WY2BGST");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'xz'
  package(s) announced via the FEDORA-2022-07cd35f6b8 advisory.");

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

  script_tag(name:"insight", value:"XZ Utils are an attempt to make LZMA compression easy to use on free (as in
freedom) operating systems. This is achieved by providing tools and libraries
which are similar to use than the equivalents of the most popular existing
compression algorithms.

LZMA is a general purpose compression algorithm designed by Igor Pavlov as
part of 7-Zip. It provides high compression ratio while keeping the
decompression speed fast.");

  script_tag(name:"affected", value:"'xz' package(s) on Fedora 36.");

  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 == "FC36") {

  if(!isnull(res = isrpmvuln(pkg:"xz", rpm:"xz~5.2.5~9.fc36", rls:"FC36"))) {
    report += res;
  }

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

exit(0);