Vulnerabilities > CVE-2018-19585 - CRLF Injection vulnerability in Gitlab

047910
CVSS 5.0 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
PARTIAL
Availability impact
NONE
network
low complexity
gitlab
CWE-93
nessus

Summary

GitLab CE/EE versions 8.18 up to 11.x before 11.3.11, 11.4.x before 11.4.8, and 11.5.x before 11.5.1 have CRLF Injection in Project Mirroring when using the Git protocol.

Vulnerable Configurations

Part Description Count
Application
Gitlab
569

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Command Delimiters
    An attack of this type exploits a programs' vulnerabilities that allows an attacker's commands to be concatenated onto a legitimate command with the intent of targeting other resources such as the file system or database. The system that uses a filter or a blacklist input validation, as opposed to whitelist validation is vulnerable to an attacker who predicts delimiters (or combinations of delimiters) not present in the filter or blacklist. As with other injection attacks, the attacker uses the command delimiter payload as an entry point to tunnel through the application and activate additional attacks through SQL queries, shell commands, network scanning, and so on.
  • Web Logs Tampering
    Web Logs Tampering attacks involve an attacker injecting, deleting or otherwise tampering with the contents of web logs typically for the purposes of masking other malicious behavior. Additionally, writing malicious data to log files may target jobs, filters, reports, and other agents that process the logs in an asynchronous attack pattern. This pattern of attack is similar to "Log Injection-Tampering-Forging" except that in this case, the attack is targeting the logs of the web server and not the application.

Nessus

NASL familyFreeBSD Local Security Checks
NASL idFREEBSD_PKG_8A4ABA2DF33E11E89416001B217B3468.NASL
descriptionGitlab reports : View Names of Private Groups Persistent XSS in Environments SSRF in Prometheus integration Unauthorized Promotion of Milestones Exposure of Confidential Issue Title Persisent XSS in Markdown Fields via Mermaid Script Persistent XSS in Markdown Fields via Unrecognized HTML Tags Symlink Race Condition in Pages Unauthorized Changes by Guest User in Issues Unauthorized Comments on Locked Issues Improper Enforcement of Token Scope CRLF Injection in Project Mirroring XSS in OAuth Authorization SSRF in Webhooks Send Email on Email Address Change Workhorse Logs Contained Tokens Unauthorized Publishing of Draft Comments Guest Can Set Weight of a New Issue Disclosure of Private Group
last seen2020-06-01
modified2020-06-02
plugin id119271
published2018-11-29
reporterThis script is Copyright (C) 2018-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/119271
titleFreeBSD : Gitlab -- Multiple vulnerabilities (8a4aba2d-f33e-11e8-9416-001b217b3468)
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(119271);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/25");

  script_cve_id("CVE-2018-19493", "CVE-2018-19494", "CVE-2018-19495", "CVE-2018-19496", "CVE-2018-19569", "CVE-2018-19570", "CVE-2018-19571", "CVE-2018-19572", "CVE-2018-19573", "CVE-2018-19574", "CVE-2018-19575", "CVE-2018-19576", "CVE-2018-19577", "CVE-2018-19578", "CVE-2018-19579", "CVE-2018-19580", "CVE-2018-19581", "CVE-2018-19582", "CVE-2018-19583", "CVE-2018-19584", "CVE-2018-19585");

  script_name(english:"FreeBSD : Gitlab -- Multiple vulnerabilities (8a4aba2d-f33e-11e8-9416-001b217b3468)");
  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 :

View Names of Private Groups

Persistent XSS in Environments

SSRF in Prometheus integration

Unauthorized Promotion of Milestones

Exposure of Confidential Issue Title

Persisent XSS in Markdown Fields via Mermaid Script

Persistent XSS in Markdown Fields via Unrecognized HTML Tags

Symlink Race Condition in Pages

Unauthorized Changes by Guest User in Issues

Unauthorized Comments on Locked Issues

Improper Enforcement of Token Scope

CRLF Injection in Project Mirroring

XSS in OAuth Authorization

SSRF in Webhooks

Send Email on Email Address Change

Workhorse Logs Contained Tokens

Unauthorized Publishing of Draft Comments

Guest Can Set Weight of a New Issue

Disclosure of Private Group's Members and Milestones

Persisent XSS in Operations

Reporter Can View Operations Page"
  );
  # https://about.gitlab.com/2018/11/28/security-release-gitlab-11-dot-5-dot-1-released/
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?974abfc1"
  );
  # https://vuxml.freebsd.org/freebsd/8a4aba2d-f33e-11e8-9416-001b217b3468.html
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?08e10f75"
  );
  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:"2018/11/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/11/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2018/11/29");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2018-2020 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>=11.5.0<11.5.1")) flag++;
if (pkg_test(save_report:TRUE, pkg:"gitlab-ce>=11.4.0<11.4.8")) flag++;
if (pkg_test(save_report:TRUE, pkg:"gitlab-ce>=0<11.3.11")) 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");