Huawei EulerOS: Security Advisory for libxml2 (EulerOS-SA-2020-1474)

Huawei EulerOS 'libxml2' package security update (EulerOS-SA-2020-1474). Fixes denial of service vulnerabilities

Reporter	Title	Published	Views	Family All 391
IBM Security Bulletins	Security Bulletin: IBM MQ Appliance is affected by libxml2 vulnerabilities (CVE-2019-19956, CVE-2019-20388, CVE-2020-7595)	20 Jan 202112:25	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Security Guardium is affected by multiple vulnerabilities	15 Apr 202221:36	–	ibm
IBM Security Bulletins	Security Bulletin: Vulnerabilities in libxml2 affect IBM RackSwitch Networking products	31 Jan 201902:25	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Cognos Business Intelligence Server 2017Q4 Security Updater: IBM Cognos Business Intelligence Server is affected by multiple vulnerabilities.	15 Jun 201823:47	–	ibm
IBM Security Bulletins	Security Bulletin: IBM RackSwitch firmware products are affected by vulnerabilities in Libxml2	7 Dec 202322:45	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Security Guardium is affected by a OpenSource LibXML2 vulnerability	12 Jul 201817:13	–	ibm
IBM Security Bulletins	Security Bulletin: Multiple Vulnerabilities in libxml2 affects IBM Cognos Analytics	15 Jun 201823:51	–	ibm
IBM Security Bulletins	Security Bulletin: Vulnerabilities in libxml2 affect IBM BladeCenter Advanced Management Module (AMM) (CVE-2017-7376, CVE-2017-7375, CVE-2017-5969, CVE-2017-0663)	14 Apr 202314:32	–	ibm
IBM Security Bulletins	Security Bulletin: IBM Security Guardium Database Activity Monitor is affected by Open Source XMLsoft Libxml2 Vulnerabilities (CVE-2016-4483)	16 Jun 201821:46	–	ibm
IBM Security Bulletins	Security Bulletin: Vulnerabilities in libxml2 affect IBM Integrated Management Module II (IMM2) for System x, Flex and BladeCenter Systems	14 Apr 202314:32	–	ibm

Source	Link
developer	www.developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html

# SPDX-FileCopyrightText: 2020 Greenbone AG
# 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-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.1.2.2020.1474");
  script_cve_id("CVE-2015-8806", "CVE-2016-4483", "CVE-2017-5969", "CVE-2019-19956");
  script_tag(name:"creation_date", value:"2020-04-16 05:57:38 +0000 (Thu, 16 Apr 2020)");
  script_version("2024-02-05T14:36:56+0000");
  script_tag(name:"last_modification", value:"2024-02-05 14:36:56 +0000 (Mon, 05 Feb 2024)");
  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:"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:"2020-01-03 17:30:09 +0000 (Fri, 03 Jan 2020)");

  script_name("Huawei EulerOS: Security Advisory for libxml2 (EulerOS-SA-2020-1474)");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2020 Greenbone AG");
  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=EULEROSVIRT\-3\.0\.2\.2");

  script_xref(name:"Advisory-ID", value:"EulerOS-SA-2020-1474");
  script_xref(name:"URL", value:"https://developer.huaweicloud.com/intl/en-us/euleros/securitydetail.html?secId=EulerOS-SA-2020-1474");

  script_tag(name:"summary", value:"The remote host is missing an update for the Huawei EulerOS 'libxml2' package(s) announced via the EulerOS-SA-2020-1474 advisory.");

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

  script_tag(name:"insight", value:"The xmlBufAttrSerializeTxtContent function in xmlsave.c in libxml2 allows context-dependent attackers to cause a denial of service (out-of-bounds read and application crash) via a non-UTF-8 attribute value, related to serialization. NOTE: this vulnerability may be a duplicate of CVE-2016-3627.(CVE-2016-4483)

xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs.(CVE-2019-19956)

dict.c in libxml2 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via an unexpected character immediately after the '<!DOCTYPE html' substring in a crafted HTML document.(CVE-2015-8806)

** DISPUTED ** libxml2 2.9.4, when used in recover mode, allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted XML document. NOTE: The maintainer states 'I would disagree of a CVE with the Recover parsing option which should only be used for manual recovery at least for XML parser.'(CVE-2017-5969)");

  script_tag(name:"affected", value:"'libxml2' package(s) on Huawei EulerOS Virtualization 3.0.2.2.");

  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 == "EULEROSVIRT-3.0.2.2") {

  if(!isnull(res = isrpmvuln(pkg:"libxml2", rpm:"libxml2~2.9.1~6.3.h22.eulerosv2r7", rls:"EULEROSVIRT-3.0.2.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxml2-devel", rpm:"libxml2-devel~2.9.1~6.3.h22.eulerosv2r7", rls:"EULEROSVIRT-3.0.2.2"))) {
    report += res;
  }

  if(!isnull(res = isrpmvuln(pkg:"libxml2-python", rpm:"libxml2-python~2.9.1~6.3.h22.eulerosv2r7", rls:"EULEROSVIRT-3.0.2.2"))) {
    report += res;
  }

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

exit(0);

05 Feb 2024 00:00Current

7.7High risk

Vulners AI Score7.7

CVSS 25

CVSS 3.17.5

CVSS 34.7

EPSS0.06165

SSVC