Vulnerabilities > CVE-2019-18457 - Improper Preservation of Permissions vulnerability in Gitlab

047910
CVSS 6.5 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
SINGLE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
network
low complexity
gitlab
CWE-281
nessus

Summary

An issue was discovered in GitLab Community and Enterprise Edition 11.8 through 12.4 when handling Security tokens.. It has Insecure Permissions.

Vulnerable Configurations

Part Description Count
Application
Gitlab
190

Common Weakness Enumeration (CWE)

Nessus

NASL familyFreeBSD Local Security Checks
NASL idFREEBSD_PKG_6EDDFA51FB4411E986E9001B217B3468.NASL
descriptionGitlab reports : Source branch of a MR could be removed by an unauthorised user Private group members could be listed Disclosure of System Notes via Elasticsearch integration Disclosure of Private Comments via Elasticsearch integration Confirm existence of private repositories Private group membership could be disclosed Disclosure of Project Labels Disclosure of Private Project Path and Labels Uncontrolled Resource Consumption due to Nested GraphQL Queries Improper access control on comments Sentry Token Access Control Authorisation check for Project Transfer option XSS in Wiki Pages Using RDoc Untrusted Input could be used for Internal Redirect Access control for protected environments Private Sub Group path Disclosure Disclosure of Group Packages List Private Repository Name Disclosure
last seen2020-06-01
modified2020-06-02
plugin id130413
published2019-10-31
reporterThis script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/130413
titleFreeBSD : Gitlab -- Disclosure Vulnerabilities (6eddfa51-fb44-11e9-86e9-001b217b3468)
code
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from the FreeBSD VuXML database :
#
# Copyright 2003-2019 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(130413);
  script_version("1.3");
  script_cvs_date("Date: 2019/12/17");

  script_cve_id("CVE-2019-18446", "CVE-2019-18447", "CVE-2019-18448", "CVE-2019-18449", "CVE-2019-18450", "CVE-2019-18451", "CVE-2019-18452", "CVE-2019-18453", "CVE-2019-18454", "CVE-2019-18455", "CVE-2019-18456", "CVE-2019-18457", "CVE-2019-18458", "CVE-2019-18459", "CVE-2019-18460", "CVE-2019-18461", "CVE-2019-18462", "CVE-2019-18463");

  script_name(english:"FreeBSD : Gitlab -- Disclosure Vulnerabilities (6eddfa51-fb44-11e9-86e9-001b217b3468)");
  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 :

Source branch of a MR could be removed by an unauthorised user

Private group members could be listed

Disclosure of System Notes via Elasticsearch integration

Disclosure of Private Comments via Elasticsearch integration

Confirm existence of private repositories

Private group membership could be disclosed

Disclosure of Project Labels

Disclosure of Private Project Path and Labels

Uncontrolled Resource Consumption due to Nested GraphQL Queries

Improper access control on comments

Sentry Token Access Control

Authorisation check for Project Transfer option

XSS in Wiki Pages Using RDoc

Untrusted Input could be used for Internal Redirect

Access control for protected environments

Private Sub Group path Disclosure

Disclosure of Group Packages List

Private Repository Name Disclosure"
  );
  # https://about.gitlab.com/blog/2019/10/30/security-release-gitlab-12-dot-4-dot-1-released/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?9f5a2082"
  );
  # https://vuxml.freebsd.org/freebsd/6eddfa51-fb44-11e9-86e9-001b217b3468.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?7690ac37"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/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:L/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:"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:"2019/10/30");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/10/30");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/10/31");
  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 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>=12.4.0<12.4.1")) flag++;
if (pkg_test(save_report:TRUE, pkg:"gitlab-ce>=12.3.0<12.3.6")) flag++;
if (pkg_test(save_report:TRUE, pkg:"gitlab-ce>=0<12.2.9")) flag++;

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