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openvasCopyright (C) 2020 Greenbone Networks GmbHOPENVAS:1361412562311220191316
HistoryJan 23, 2020 - 12:00 a.m.

Huawei EulerOS: Security Advisory for libxml2 (EulerOS-SA-2019-1316)

2020-01-2300:00:00
Copyright (C) 2020 Greenbone Networks GmbH
plugins.openvas.org
7

The remote host is missing an update for the Huawei EulerOS

# Copyright (C) 2020 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("1.3.6.1.4.1.25623.1.1.2.2019.1316");
  script_version("2020-01-23T11:39:12+0000");
  script_cve_id("CVE-2015-8035", "CVE-2017-18258", "CVE-2018-14404");
  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:"2020-01-23 11:39:12 +0000 (Thu, 23 Jan 2020)");
  script_tag(name:"creation_date", value:"2020-01-23 11:39:12 +0000 (Thu, 23 Jan 2020)");
  script_name("Huawei EulerOS: Security Advisory for libxml2 (EulerOS-SA-2019-1316)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
  script_family("Huawei EulerOS Local Security Checks");
  script_dependencies("gb_huawei_euleros_consolidation.nasl");
  script_mandatory_keys("ssh/login/euleros", "ssh/login/rpms", re:"ssh/login/release=EULEROS-2\.0SP5");

  script_xref(name:"EulerOS-SA", value:"2019-1316");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2019-1316");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS
  'libxml2' package(s) announced via the EulerOS-SA-2019-1316 advisory.");

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

  script_tag(name:"insight", value:"A null pointer dereference vulnerability exists in the xpath function of libxml2 when parsing invalid XPath expression. Applications processing untrusted XSL format inputs with the use of libxml2 library may be vulnerable to denial of service attack due to crash of the application.(CVE-2018-14404)

The xz_head function in xzlib.c in libxml2 before 2.9.6 allows remote attackers to cause a denial of service (memory consumption) via a crafted LZMA file, because the decoder functionality does not restrict memory usage to what is required for a legitimate file.(CVE-2017-18258)

A denial of service flaw was found in libxml2. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause that application to crash.(CVE-2015-8035)");

  script_tag(name:"affected", value:"'libxml2' package(s) on Huawei EulerOS V2.0SP5.");

  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 == "EULEROS-2.0SP5") {

  if(!isnull(res = isrpmvuln(pkg:"libxml2", rpm:"libxml2~2.9.1~6.3.h15.eulerosv2r7", rls:"EULEROS-2.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxml2-devel", rpm:"libxml2-devel~2.9.1~6.3.h15.eulerosv2r7", rls:"EULEROS-2.0SP5"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxml2-python", rpm:"libxml2-python~2.9.1~6.3.h15.eulerosv2r7", rls:"EULEROS-2.0SP5"))) {
    report += res;
  }

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

exit(0);
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