Vulnerabilities > CVE-2018-20826 - Incorrect Authorization vulnerability in Atlassian Jira

047910
CVSS 4.3 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
LOW
Confidentiality impact
NONE
Integrity impact
LOW
Availability impact
NONE
network
low complexity
atlassian
CWE-863
nessus
NVD
Published: 2019-08-09
Updated: 2024-11-21

Summary

The inline-create rest resource in Jira before version 7.12.3 allows authenticated remote attackers to set the reporter in issues via a missing authorisation check.

Vulnerable Configurations

Part Description Count
Application
Atlassian
476

Common Weakness Enumeration (CWE)

Nessus

NASL familyCGI abuses
NASL idJIRA_8_0_0.NASL
descriptionAccording to its self-reported version number, the instance of Atlassian JIRA hosted on the remote web server is prior to 7.12.3. It is, therefore, affected by an authentication bypass vulnerability in its inline-create REST component. An authenticated, remote attacker can exploit this, by sending crafted HTTP requests, to bypass authentication and set the reporter on Jira issues.
last seen2020-06-01
modified2020-06-02
plugin id128420
published2019-09-03
reporterThis script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/128420
titleAtlassian JIRA Authentication Bypass Vulnerability (JRASERVER-69239)
code
#
# (C) Tenable Network Security, Inc.
#
include('compat.inc');

if (description)
{
  script_id(128420);
  script_version("1.3");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/07/28");

  script_cve_id("CVE-2018-20826");

  script_name(english:"Atlassian JIRA Authentication Bypass Vulnerability (JRASERVER-69239)");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server hosts a web application that is potentially affected by an authorisation bypass vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version number, the instance of Atlassian JIRA hosted on the remote web server is prior
to 7.12.3. It is, therefore, affected by an authentication bypass vulnerability in its inline-create REST component. 
An authenticated, remote attacker can exploit this, by sending crafted HTTP requests, to bypass authentication and set 
the reporter on Jira issues.");
  script_set_attribute(attribute:"see_also", value:"https://jira.atlassian.com/browse/JRASERVER-69239");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Atlassian JIRA version 7.12.3, 7.13.0 or 8.0.0");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N");
  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:N/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2018-20826");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/04/29");
  script_set_attribute(attribute:"patch_publication_date", value:"2018/10/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/09/03");

  script_set_attribute(attribute:"plugin_type", value:"combined");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:atlassian:jira");
  script_set_attribute(attribute:"agent", value:"all");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("jira_detect.nasl", "atlassian_jira_win_installed.nbin", "atlassian_jira_nix_installed.nbin");
  script_require_keys("installed_sw/Atlassian JIRA");

  exit(0);
}

include('vcf.inc');


app_info = vcf::combined_get_app_info(app:'Atlassian JIRA');

constraints = [{ 'fixed_version' : '7.12.3', 'fixed_display': '7.12.3 / 7.13.0 / 8.0.0' }];
vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);

References