Vulnerabilities > CVE-2019-3403 - Incorrect Authorization vulnerability in Atlassian Jira

047910
CVSS 5.0 - MEDIUM
Attack vector
NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
NONE
Availability impact
NONE
network
low complexity
atlassian
CWE-863
nessus

Summary

The /rest/api/2/user/picker rest resource in Jira before version 7.13.3, from version 8.0.0 before version 8.0.4, and from version 8.1.0 before version 8.1.1 allows remote attackers to enumerate usernames via an incorrect authorisation check.

Vulnerable Configurations

Part Description Count
Application
Atlassian
486

Common Weakness Enumeration (CWE)

Nessus

NASL familyCGI abuses
NASL idJIRA_8_1_1.NASL
descriptionAccording to its self-reported version number, the instance of Atlassian Jira hosted on the remote web server is potentially affected by an information disclosure vulnerability in the /rest/api/2/user/picker rest resource due to incorrect authorization checks. An unauthenticated, remote attacker can exploit this to enumerate usernames. (CVE-2019-3403)
last seen2020-03-18
modified2019-10-25
plugin id130267
published2019-10-25
reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
sourcehttps://www.tenable.com/plugins/nessus/130267
titleAtlassian Jira 7.13.x < 7.13.3 / 8.0.x < 8.0.4 / 8.1.x < 8.1.1 Information Disclosure Vulnerability
code
#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(130267);
  script_version("1.5");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/07/28");

  script_cve_id("CVE-2019-3403");

  script_name(english:"Atlassian Jira 7.13.x < 7.13.3 / 8.0.x < 8.0.4 / 8.1.x < 8.1.1 Information Disclosure Vulnerability");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server hosts a web application that is potentially affected by an information disclosure 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
potentially affected by an information disclosure vulnerability in the /rest/api/2/user/picker rest resource due to
incorrect authorization checks. An unauthenticated, remote attacker can exploit this to enumerate usernames.
(CVE-2019-3403)
");
  # https://jira.atlassian.com/browse/JRASERVER-69242
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?9cfd6d45");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Atlassian Jira version 7.13.3 / 8.1.1 / 8.2.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:N/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:N/UI:N/S:U/C:L/I:N/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-2019-3403");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/04/19");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/04/19");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/10/25");

  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 = [
  { 'min_version' : '7.13.0', 'fixed_version' : '7.13.3' },
  { 'min_version' : '8.0.0', 'fixed_version' : '8.1.1' }
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_WARNING);