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nessusThis script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.CROWD_CVE-2019-11580.NASL
HistoryJul 16, 2020 - 12:00 a.m.

Atlassian Crowd 2.1.x < 3.0.5 / 3.1.x < 3.1.6 / 3.2.x < 3.2.8 / 3.3.x < 3.3.5 / 3.4.x < 3.4.4 RCE (direct check)

2020-07-1600:00:00
This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
93

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.9

Confidence

High

EPSS

0.974

Percentile

99.9%

The version of Atlassian Crowd installed on the remote host is affected by a remote code execution (RCE) vulnerability.
An unauthenticated, remote attacker can exploit this, by using pdkinstall development plugin, to install arbitrary plugins, which permits remote code execution.

#TRUSTED 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
#TRUST-RSA-SHA256 b0b1ea919a4477bbbf9015637916ef94d6544bcdb193ec08f913d2e3462d42bcbf8e063b7cf511efb8f095a742e58c8079d1354da71dc66500f23a233543b33147db908c8b1e4702d5b3e6f5cfdfaa0aa9bbadf107221e2bf3f9ed0f3409b12386666c15cd605f643f6629aae91f33d35992dff5af2697723b389c9fa0ace5bc11d430e050902e93a81604679162b20e4a521e26c85418b65b84dafd941a7de5c84f41051a90a8037e759513cb9c8649528a7b6cc5ef98ef5d9bdfda6445d6cacb7e1d01806bf70018c3cbe426ec0ebe84b004ce575f161c37452554c5a3f9438f20791248d378f714607e9246f40336e780aa54ca652b60dd8016ae896da61a80b26c05138229526f0327c0a271257d390455cfaab1489cebfc596ba09c81e8c2d72d4d4036b2531015bf185adabdf4d1116ab7ccc2e046b145a83f84639a902f6f2d1b66cc459451f9a00879897ab2e8f4ce1da9ce182b32b3e6e58050976ac4d1be0eaa68fe4096e3d82fb0de23d6a9211c9b5dac2cf1f8b3303dec535c824d70725da151325c478a55ddcbc14c67cdc492da8eb1b437f3cdf62b8a754f03c25a63b3589507fd88dec4a60ff4d69d42999456f9f4c8fa371128be0763b586f5b09d94200a7f0b147f241c01242b9f310c168daa02f1e251e1f88d14adadcf3ba8d0f07e4e67c8f605b1f359f887f88e87cf765206884bb7ebc9f8bc9e8a82
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(138553);
  script_version("1.23");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/04");

  script_cve_id("CVE-2019-11580");
  script_bugtraq_id(108637);
  script_xref(name:"IAVA", value:"2020-A-0499-S");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/05/03");
  script_xref(name:"CEA-ID", value:"CEA-2020-0129");
  script_xref(name:"CEA-ID", value:"CEA-2019-0571");

  script_name(english:"Atlassian Crowd 2.1.x < 3.0.5 / 3.1.x < 3.1.6 / 3.2.x < 3.2.8 / 3.3.x < 3.3.5 / 3.4.x < 3.4.4 RCE (direct check)");

  script_set_attribute(attribute:"synopsis", value:
"The version of Atlassian Crowd installed on the remote host is affected by a remote code execution (RCE) vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Atlassian Crowd installed on the remote host is affected by a remote code execution (RCE) vulnerability.
An unauthenticated, remote attacker can exploit this, by using pdkinstall development plugin, to install arbitrary
plugins, which permits remote code execution.");
  # https://confluence.atlassian.com/crowd/crowd-security-advisory-2019-05-22-970260700.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?f66fbb1c");
  script_set_attribute(attribute:"see_also", value:"https://www.corben.io/atlassian-crowd-rce/");
  script_set_attribute(attribute:"solution", value:
"Upgrade to version 3.0.5, 3.1.6, 3.2.8, 3.3.5, 3.4.4 or later.");
  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:H/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:H/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-11580");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"exploited_by_nessus", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Atlassian Crowd pdkinstall Unauthenticated Plugin Upload RCE');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/05/22");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/07/16");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:atlassian:crowd");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_set_attribute(attribute:"enable_cgi_scanning", value:"true");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("crowd_detect.nasl");
  script_require_keys("www/crowd");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 8095);

  exit(0);
}

include('http.inc');
include('install_func.inc');

appname = 'Atlassian Crowd';
app_id  = 'crowd';

# Exit if app is not detected on the target
get_install_count(app_name:app_id, exit_if_zero:TRUE);

port = get_http_port(default:8095);
install = get_single_install(app_name:app_id, webapp:TRUE, port:port);

base_path = install['path'];
url = '/admin/uploadplugin.action';

res = http_send_recv3(
  method : 'POST',
  port   : port,
  item   : base_path + url,
  exit_on_fail : TRUE
);

if ('400' >< res[0] && ('Unable to install plugin' >< res[2] || 'All plugins could not be validated' >< res[2]))
{
  security_report_v4(
    port        : port,
    severity    : SECURITY_HOLE,
    generic     : TRUE,
    request     : make_list(http_last_sent_request()),
    output      : res[0] + res[2]
  );
}
else
{
  audit(AUDIT_WEB_APP_NOT_AFFECTED, appname, build_url(qs:install['path'], port:port));
}


VendorProductVersionCPE
atlassiancrowdcpe:/a:atlassian:crowd

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

9.9

Confidence

High

EPSS

0.974

Percentile

99.9%