Vulnerabilities > CVE-2020-2108 - XXE vulnerability in Jenkins Websphere Deployer

047910
CVSS 7.6 - HIGH
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
HIGH
Integrity impact
LOW
Availability impact
LOW
network
low complexity
jenkins
CWE-611
nessus

Summary

Jenkins WebSphere Deployer Plugin 1.6.1 and earlier does not configure the XML parser to prevent XXE attacks which can be exploited by a user with Job/Configure permissions.

Nessus

NASL familyFreeBSD Local Security Checks
NASL idFREEBSD_PKG_A250539DD1D44591AFD3C8BDFAC335D8.NASL
descriptionJenkins Security Advisory : Description(High) SECURITY-1682 / CVE-2020-2099 Inbound TCP Agent Protocol/3 authentication bypass (Medium) SECURITY-1641 / CVE-2020-2100 Jenkins vulnerable to UDP amplification reflection attack (Medium) SECURITY-1659 / CVE-2020-2101 Non-constant time comparison of inbound TCP agent connection secret (Medium) SECURITY-1660 / CVE-2020-2102 Non-constant time HMAC comparison (Medium) SECURITY-1695 / CVE-2020-2103 Diagnostic page exposed session cookies (Medium) SECURITY-1650 / CVE-2020-2104 Memory usage graphs accessible to anyone with Overall/Read (Low) SECURITY-1704 / CVE-2020-2105 Jenkins REST APIs vulnerable to clickjacking (Medium) SECURITY-1680 / CVE-2020-2106 Stored XSS vulnerability in Code Coverage API Plugin (Medium) SECURITY-1565 / CVE-2020-2107 Fortify Plugin stored credentials in plain text (High) SECURITY-1719 / CVE-2020-2108 XXE vulnerability in WebSphere Deployer Plugin
last seen2020-06-01
modified2020-06-02
plugin id133329
published2020-01-30
reporterThis script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/133329
titleFreeBSD : jenkins -- multiple vulnerabilities (a250539d-d1d4-4591-afd3-c8bdfac335d8)
code
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from the FreeBSD VuXML database :
#
# Copyright 2003-2020 Jacques Vidrine and contributors
#
# Redistribution and use in source (VuXML) and 'compiled' forms (SGML,
# HTML, PDF, PostScript, RTF and so forth) with or without modification,
# are permitted provided that the following conditions are met:
# 1. Redistributions of source code (VuXML) must retain the above
#    copyright notice, this list of conditions and the following
#    disclaimer as the first lines of this file unmodified.
# 2. Redistributions in compiled form (transformed to other DTDs,
#    published online in any format, converted to PDF, PostScript,
#    RTF and other formats) must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer
#    in the documentation and/or other materials provided with the
#    distribution.
# 
# THIS DOCUMENTATION IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS DOCUMENTATION,
# EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

include("compat.inc");

if (description)
{
  script_id(133329);
  script_version("1.3");
  script_cvs_date("Date: 2020/02/03");

  script_cve_id("CVE-2020-2099", "CVE-2020-2100", "CVE-2020-2101", "CVE-2020-2102", "CVE-2020-2103", "CVE-2020-2104", "CVE-2020-2105", "CVE-2020-2106", "CVE-2020-2107", "CVE-2020-2108");

  script_name(english:"FreeBSD : jenkins -- multiple vulnerabilities (a250539d-d1d4-4591-afd3-c8bdfac335d8)");
  script_summary(english:"Checks for updated packages in pkg_info output");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote FreeBSD host is missing one or more security-related
updates."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Jenkins Security Advisory : Description(High) SECURITY-1682 /
CVE-2020-2099 Inbound TCP Agent Protocol/3 authentication bypass
(Medium) SECURITY-1641 / CVE-2020-2100 Jenkins vulnerable to UDP
amplification reflection attack (Medium) SECURITY-1659 / CVE-2020-2101
Non-constant time comparison of inbound TCP agent connection secret
(Medium) SECURITY-1660 / CVE-2020-2102 Non-constant time HMAC
comparison (Medium) SECURITY-1695 / CVE-2020-2103 Diagnostic page
exposed session cookies (Medium) SECURITY-1650 / CVE-2020-2104 Memory
usage graphs accessible to anyone with Overall/Read (Low)
SECURITY-1704 / CVE-2020-2105 Jenkins REST APIs vulnerable to
clickjacking (Medium) SECURITY-1680 / CVE-2020-2106 Stored XSS
vulnerability in Code Coverage API Plugin (Medium) SECURITY-1565 /
CVE-2020-2107 Fortify Plugin stored credentials in plain text (High)
SECURITY-1719 / CVE-2020-2108 XXE vulnerability in WebSphere Deployer
Plugin"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://jenkins.io/security/advisory/2020-01-29/"
  );
  # https://vuxml.freebsd.org/freebsd/a250539d-d1d4-4591-afd3-c8bdfac335d8.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?46cd87fc"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-2099");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:jenkins");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:freebsd:freebsd:jenkins-lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/01/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/01/29");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/01/30");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"FreeBSD Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/FreeBSD/release", "Host/FreeBSD/pkg_info");

  exit(0);
}


include("audit.inc");
include("freebsd_package.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/FreeBSD/release")) audit(AUDIT_OS_NOT, "FreeBSD");
if (!get_kb_item("Host/FreeBSD/pkg_info")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (pkg_test(save_report:TRUE, pkg:"jenkins<=2.219")) flag++;
if (pkg_test(save_report:TRUE, pkg:"jenkins-lts<=2.204.2")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:pkg_report_get());
  else security_hole(0);
  exit(0);
}
else audit(AUDIT_HOST_NOT, "affected");