openSUSE: Security Advisory for unbound (openSUSE-SU-2022:0176-1)

# 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("1.3.6.1.4.1.25623.1.0.854419");
  script_version("2022-02-22T09:18:02+0000");
  script_cve_id("CVE-2019-25031", "CVE-2019-25032", "CVE-2019-25033", "CVE-2019-25034", "CVE-2019-25035", "CVE-2019-25036", "CVE-2019-25037", "CVE-2019-25038", "CVE-2019-25039", "CVE-2019-25040", "CVE-2019-25041", "CVE-2019-25042", "CVE-2020-28935");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_tag(name:"last_modification", value:"2022-02-22 09:18:02 +0000 (Tue, 22 Feb 2022)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-06-11 22:15:00 +0000 (Fri, 11 Jun 2021)");
  script_tag(name:"creation_date", value:"2022-02-08 08:14:34 +0000 (Tue, 08 Feb 2022)");
  script_name("openSUSE: Security Advisory for unbound (openSUSE-SU-2022:0176-1)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2022 Greenbone Networks GmbH");
  script_family("SuSE Local Security Checks");
  script_dependencies("gather-package-list.nasl");
  script_mandatory_keys("ssh/login/suse", "ssh/login/rpms", re:"ssh/login/release=(openSUSELeap15\.4|openSUSELeap15\.3)");

  script_xref(name:"Advisory-ID", value:"openSUSE-SU-2022:0176-1");
  script_xref(name:"URL", value:"https://lists.opensuse.org/archives/list/[email protected]/thread/JTS3PI42CZC7TVKVUTBOIMO2PDFTABYC");

  script_tag(name:"summary", value:"The remote host is missing an update for the 'unbound'
  package(s) announced via the openSUSE-SU-2022:0176-1 advisory.");

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

  script_tag(name:"insight", value:"This update for unbound fixes the following issues:

  - CVE-2019-25031: Fixed configuration injection in
       create_unbound_ad_servers.sh upon a successful man-in-the-middle attack
       (bsc#1185382).

  - CVE-2019-25032: Fixed integer overflow in the regional allocator via
       regional_alloc (bsc#1185383).

  - CVE-2019-25033: Fixed integer overflow in the regional allocator via the
       ALIGN_UP macro (bsc#1185384).

  - CVE-2019-25034: Fixed integer overflow in
       sldns_str2wire_dname_buf_origin, leading to an out-of-bounds write
       (bsc#1185385).

  - CVE-2019-25035: Fixed out-of-bounds write in sldns_bget_token_par
       (bsc#1185386).

  - CVE-2019-25036: Fixed assertion failure and denial of service in
       synth_cname (bsc#1185387).

  - CVE-2019-25037: Fixed assertion failure and denial of service in
       dname_pkt_copy via an invalid packet (bsc#1185388).

  - CVE-2019-25038: Fixed integer overflow in a size calculation in
       dnscrypt/dnscrypt.c (bsc#1185389).

  - CVE-2019-25039: Fixed integer overflow in a size calculation in
       respip/respip.c (bsc#1185390).

  - CVE-2019-25040: Fixed infinite loop via a compressed name in
       dname_pkt_copy (bsc#1185391).

  - CVE-2019-25041: Fixed assertion failure via a compressed name in
       dname_pkt_copy (bsc#1185392).

  - CVE-2019-25042: Fixed out-of-bounds write via a compressed name in
       rdata_copy (bsc#1185393).

  - CVE-2020-28935: Fixed symbolic link traversal when writing PID file
       (bsc#1179191).");

  script_tag(name:"affected", value:"'unbound' package(s) on openSUSE Leap 15.4, openSUSE Leap 15.3.");

  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 == "openSUSELeap15.4") {

  if(!isnull(res = isrpmvuln(pkg:"libunbound2", rpm:"libunbound2~1.6.8~10.6.1", rls:"openSUSELeap15.4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libunbound2-debuginfo", rpm:"libunbound2-debuginfo~1.6.8~10.6.1", rls:"openSUSELeap15.4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound", rpm:"unbound~1.6.8~10.6.1", rls:"openSUSELeap15.4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-anchor", rpm:"unbound-anchor~1.6.8~10.6.1", rls:"openSUSELeap15.4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-anchor-debuginfo", rpm:"unbound-anchor-debuginfo~1.6.8~10.6.1", rls:"openSUSELeap15.4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-debuginfo", rpm:"unbound-debuginfo~1.6.8~10.6.1", rls:"openSUSELeap15.4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-debugsource", rpm:"unbound-debugsource~1.6.8~10.6.1", rls:"openSUSELeap15.4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-devel", rpm:"unbound-devel~1.6.8~10.6.1", rls:"openSUSELeap15.4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-python", rpm:"unbound-python~1.6.8~10.6.1", rls:"openSUSELeap15.4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-python-debuginfo", rpm:"unbound-python-debuginfo~1.6.8~10.6.1", rls:"openSUSELeap15.4"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-munin", rpm:"unbound-munin~1.6.8~10.6.1", rls:"openSUSELeap15.4"))) {
    report += res;
  }

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

if(release == "openSUSELeap15.3") {

  if(!isnull(res = isrpmvuln(pkg:"libunbound2", rpm:"libunbound2~1.6.8~10.6.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libunbound2-debuginfo", rpm:"libunbound2-debuginfo~1.6.8~10.6.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound", rpm:"unbound~1.6.8~10.6.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-anchor", rpm:"unbound-anchor~1.6.8~10.6.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-anchor-debuginfo", rpm:"unbound-anchor-debuginfo~1.6.8~10.6.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-debuginfo", rpm:"unbound-debuginfo~1.6.8~10.6.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-debugsource", rpm:"unbound-debugsource~1.6.8~10.6.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-devel", rpm:"unbound-devel~1.6.8~10.6.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-python", rpm:"unbound-python~1.6.8~10.6.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-python-debuginfo", rpm:"unbound-python-debuginfo~1.6.8~10.6.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"unbound-munin", rpm:"unbound-munin~1.6.8~10.6.1", rls:"openSUSELeap15.3"))) {
    report += res;
  }

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

exit(0);