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nessusThis script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.CONFLUENCE_CONFSERVER-67940.NASL
HistoryAug 26, 2021 - 12:00 a.m.

Atlassian Confluence < 6.13.23 / 6.14 < 7.4.11 / 7.5 < 7.11.6 / 7.12 < 7.12.5 Webwork OGNL Injection (CONFSERVER-67940)

2021-08-2600:00:00
This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
55

9.8 High

CVSS3

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

9 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.974 High

EPSS

Percentile

100.0%

According to its self-reported version number, the Atlassian Confluence application running on the remote host is prior to 6.13.23, 6.14.x prior to 7.4.11, 7.5.x prior to 7.11.6 or 7.12.x prior to 7.12.5. It is, therefore, affected by an OGNL injection vulnerability that would allow an authenticated user, and in some instances an unauthenticated user, to execute arbitrary code on a Confluence Server or Data Center instance.

Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.

#%NASL_MIN_LEVEL 70300
##
# (C) Tenable Network Security, Inc.
##

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

if (description)
{
  script_id(152864);
  script_version("1.12");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/06/05");

  script_cve_id("CVE-2021-26084");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2021/11/17");
  script_xref(name:"CEA-ID", value:"CEA-2021-0042");
  script_xref(name:"IAVA", value:"2021-A-0397-S");

  script_name(english:"Atlassian Confluence < 6.13.23 / 6.14 < 7.4.11 / 7.5 < 7.11.6 / 7.12 < 7.12.5 Webwork OGNL Injection (CONFSERVER-67940)");

  script_set_attribute(attribute:"synopsis", value:
"A web application running on the remote host is affected by an OGNL injection vulnerability");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version number, the Atlassian Confluence application running on the remote host is 
prior to 6.13.23, 6.14.x prior to 7.4.11, 7.5.x prior to 7.11.6 or 7.12.x prior to 7.12.5. It is, therefore, affected by an OGNL injection
vulnerability that would allow an authenticated user, and in some instances an unauthenticated user, to execute
arbitrary code on a Confluence Server or Data Center instance.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version 
number.");
  # https://confluence.atlassian.com/doc/confluence-security-advisory-2021-08-25-1077906215.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?7cb62fdb");
  script_set_attribute(attribute:"see_also", value:"https://jira.atlassian.com/browse/CONFSERVER-67940");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Atlassian Confluence version 6.13.23, 7.4.11, 7.11.6, 7.12.5 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-2021-26084");

  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:"metasploit_name", value:'Atlassian Confluence WebWork OGNL Injection');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/08/25");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/08/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/08/26");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:atlassian:confluence");
  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_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("confluence_detect.nasl");
  script_require_keys("installed_sw/confluence");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 8080, 8090);

  exit(0);
}

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

var port = get_http_port(default:80);
var app_info = vcf::get_app_info(app:'confluence', port:port, webapp:true);

var constraints = [
  {'fixed_version' : '6.13.23' },
  {'min_version' : '6.14', 'fixed_version' : '7.4.11' },
  {'min_version' : '7.5', 'fixed_version' : '7.11.6' },
  {'min_version' : '7.12', 'fixed_version' : '7.12.5', 'fixed_display' : '7.12.5 / 7.13.0'}
];

vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);
VendorProductVersionCPE
atlassianconfluencecpe:/a:atlassian:confluence

9.8 High

CVSS3

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

9 High

AI Score

Confidence

High

7.5 High

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.974 High

EPSS

Percentile

100.0%