Vulnerabilities > CVE-2019-12443 - Server-Side Request Forgery (SSRF) vulnerability in Gitlab

047910
CVSS 9.8 - CRITICAL
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
network
low complexity
gitlab
CWE-918
critical
nessus

Summary

An issue was discovered in GitLab Community and Enterprise Edition 10.2 through 11.11. Multiple features contained Server-Side Request Forgery (SSRF) vulnerabilities caused by an insufficient validation to prevent DNS rebinding attacks.

Common Weakness Enumeration (CWE)

Nessus

NASL familyFreeBSD Local Security Checks
NASL idFREEBSD_PKG_4091069E860B11E9A05F001B217B3468.NASL
descriptionGitlab reports : Remote Command Execution Vulnerability on Repository Download Feature Confidential Issue Titles Revealed to Restricted Users on Unsubscribe Disclosure of Milestone Metadata through the Search API Private Project Discovery via Comment Links Metadata of Confidential Issues Disclosed to Restricted Users Mandatory External Authentication Provider Sign-In Restrictions Bypass Internal Projects Allowed to Be Created on in Private Groups Server-Side Request Forgery Through DNS Rebinding Stored Cross-Site Scripting on Wiki Pages Stored Cross-Site Scripting on Notes Repository Password Disclosed on Import Error Page Protected Branches Restriction Rules Bypass Stored Cross-Site Scripting Vulnerability on Child Epics
last seen2020-03-18
modified2019-06-04
plugin id125687
published2019-06-04
reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/125687
titleFreeBSD : Gitlab -- Multiple Vulnerabilities (4091069e-860b-11e9-a05f-001b217b3468)
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(125687);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/12");

  script_cve_id("CVE-2019-12428", "CVE-2019-12429", "CVE-2019-12430", "CVE-2019-12431", "CVE-2019-12432", "CVE-2019-12433", "CVE-2019-12434", "CVE-2019-12441", "CVE-2019-12442", "CVE-2019-12443", "CVE-2019-12444", "CVE-2019-12445", "CVE-2019-12446");

  script_name(english:"FreeBSD : Gitlab -- Multiple Vulnerabilities (4091069e-860b-11e9-a05f-001b217b3468)");
  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:
"Gitlab reports :

Remote Command Execution Vulnerability on Repository Download Feature

Confidential Issue Titles Revealed to Restricted Users on Unsubscribe

Disclosure of Milestone Metadata through the Search API

Private Project Discovery via Comment Links

Metadata of Confidential Issues Disclosed to Restricted Users

Mandatory External Authentication Provider Sign-In Restrictions Bypass

Internal Projects Allowed to Be Created on in Private Groups

Server-Side Request Forgery Through DNS Rebinding

Stored Cross-Site Scripting on Wiki Pages

Stored Cross-Site Scripting on Notes

Repository Password Disclosed on Import Error Page

Protected Branches Restriction Rules Bypass

Stored Cross-Site Scripting Vulnerability on Child Epics"
  );
  # https://about.gitlab.com/2019/06/03/security-release-gitlab-11-dot-11-dot-1-released/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?677cbcb4"
  );
  # https://vuxml.freebsd.org/freebsd/4091069e-860b-11e9-a05f-001b217b3468.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?47249b3e"
  );
  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:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-12443");
  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:gitlab-ce");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:freebsd:freebsd");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/06/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/06/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/06/04");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 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:"gitlab-ce>=11.11.0<11.11.1")) flag++;
if (pkg_test(save_report:TRUE, pkg:"gitlab-ce>=11.10.0<11.10.5")) flag++;
if (pkg_test(save_report:TRUE, pkg:"gitlab-ce>=6.8.0<11.9.12")) 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");