Fedora: Security Advisory for fetchmail (FEDORA-2021-b904d99ce5)

# 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("1.3.6.1.4.1.25623.1.0.879935");
  script_version("2021-08-24T12:01:48+0000");
  script_cve_id("CVE-2021-36386");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2021-08-24 12:01:48 +0000 (Tue, 24 Aug 2021)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-08-09 21:15:00 +0000 (Mon, 09 Aug 2021)");
  script_tag(name:"creation_date", value:"2021-08-13 03:13:32 +0000 (Fri, 13 Aug 2021)");
  script_name("Fedora: Security Advisory for fetchmail (FEDORA-2021-b904d99ce5)");
  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=FC34");

  script_xref(name:"Advisory-ID", value:"FEDORA-2021-b904d99ce5");
  script_xref(name:"URL", value:"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AGYO5AHSXTCKA4NQC2Z4H3XMMYNAGC77");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'fetchmail'
  package(s) announced via the FEDORA-2021-b904d99ce5 advisory.");

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

  script_tag(name:"insight", value:"Fetchmail is a remote mail retrieval and forwarding utility intended
for use over on-demand TCP/IP links, like SLIP or PPP connections.
Fetchmail supports every remote-mail protocol currently in use on the
Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6,
and IPSEC) for retrieval. Then Fetchmail forwards the mail through
SMTP so you can read it through your favorite mail client.

Install fetchmail if you need to retrieve mail over SLIP or PPP
connections.");

  script_tag(name:"affected", value:"'fetchmail' package(s) on Fedora 34.");

  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 == "FC34") {

  if(!isnull(res = isrpmvuln(pkg:"fetchmail", rpm:"fetchmail~6.4.20~1.fc34", rls:"FC34"))) {
    report += res;
  }

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

exit(0);