Debian Security Advisory DSA 4418-1 (dovecot - security update)

2019-03-27T00:00:00
ID OPENVAS:1361412562310704418
Type openvas
Reporter Copyright (C) 2019 Greenbone Networks GmbH
Modified 2019-04-03T00:00:00

Description

The remote host is missing an update for the

                                        
                                            # Copyright (C) 2019 Greenbone Networks GmbH
# Text descriptions are largely excerpted from the referenced
# advisory, and are Copyright (C) the respective author(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("1.3.6.1.4.1.25623.1.0.704418");
  script_version("2019-04-03T11:45:59+0000");
  script_cve_id("CVE-2019-7524");
  script_tag(name:"cvss_base", value:"7.2");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"last_modification", value:"2019-04-03 11:45:59 +0000 (Wed, 03 Apr 2019)");
  script_tag(name:"creation_date", value:"2019-03-27 22:00:00 +0000 (Wed, 27 Mar 2019)");
  script_name("Debian Security Advisory DSA 4418-1 (dovecot - security update)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2019 Greenbone Networks GmbH");
  script_family("Debian Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/debian_linux", "ssh/login/packages", re:"ssh/login/release=DEB9");

  script_xref(name:"URL", value:"https://www.debian.org/security/2019/dsa-4418.html");
  script_xref(name:"URL", value:"https://security-tracker.debian.org/tracker/DSA-4418-1");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'dovecot'
  package(s) announced via the DSA-4418-1 advisory.");

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

  script_tag(name:"insight", value:"A vulnerability was discovered in the Dovecot email server. When reading
FTS or POP3-UIDL headers from the Dovecot index, the input buffer size
is not bounds-checked. An attacker with the ability to modify dovecot
indexes, can take advantage of this flaw for privilege escalation or the
execution of arbitrary code with the permissions of the dovecot user.
Only installations using the FTS or pop3 migration plugins are affected.");

  script_tag(name:"affected", value:"'dovecot' package(s) on Debian Linux.");

  script_tag(name:"solution", value:"For the stable distribution (stretch), this problem has been fixed in
version 1:2.2.27-3+deb9u4.

We recommend that you upgrade your dovecot packages.");

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

  exit(0);
}

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

res = "";
report = "";
if(!isnull(res = isdpkgvuln(pkg:"dovecot-core", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-dbg", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-dev", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-gssapi", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-imapd", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-ldap", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-lmtpd", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-lucene", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-managesieved", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-mysql", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-pgsql", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-pop3d", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-sieve", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-solr", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}
if(!isnull(res = isdpkgvuln(pkg:"dovecot-sqlite", ver:"1:2.2.27-3+deb9u4", rls:"DEB9"))) {
  report += res;
}

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

exit(0);