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nessusThis script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.CISCO-SA-ASA-FTD-SIPDOS-GGWMMERC-ASA.NASL
HistoryMay 06, 2021 - 12:00 a.m.

Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP DoS (cisco-sa-asa-ftd-sipdos-GGwmMerC)

2021-05-0600:00:00
This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
16
cisco
asa
denial of service
sip traffic
vulnerability

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

52.6%

According to its self-reported version, Cisco ASA Software is affected by a denial of service (DoS) vulnerability due to a bug which causes a crash. An unauthenticated, remote attacker can exploit this, by sending crafted SIP traffic, in order to cause a DoS condition.

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

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

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

if (description)
{
  script_id(149301);
  script_version("1.6");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/03/31");

  script_cve_id("CVE-2021-1501");
  script_xref(name:"IAVA", value:"2021-A-0205-S");
  script_xref(name:"CISCO-BUG-ID", value:"CSCvw26544");
  script_xref(name:"CISCO-SA", value:"cisco-sa-asa-ftd-sipdos-GGwmMerC");

  script_name(english:"Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense Software SIP DoS (cisco-sa-asa-ftd-sipdos-GGwmMerC)");

  script_set_attribute(attribute:"synopsis", value:
"The remote device is missing a vendor-supplied security patch");
  script_set_attribute(attribute:"description", value:
"According to its self-reported version, Cisco ASA Software is affected by a denial of service (DoS) vulnerability due
to a bug which causes a crash. An unauthenticated, remote attacker can exploit this, by sending crafted SIP traffic, in
order to cause a DoS condition.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  # https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asa-ftd-sipdos-GGwmMerC
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?79f85bf3");
  script_set_attribute(attribute:"see_also", value:"http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74594");
  script_set_attribute(attribute:"see_also", value:"https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw26544");
  script_set_attribute(attribute:"solution", value:
"Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvw26544");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C");
  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:N/I:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2021-1501");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(613);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/04/28");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/04/28");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/05/06");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:cisco:adaptive_security_appliance_software");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CISCO");

  script_copyright(english:"This script is Copyright (C) 2021-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/Cisco/ASA/model");

  exit(0);
}

include('ccf.inc');
include('cisco_workarounds.inc');

var product_info = cisco::get_product_info(name:'Cisco Adaptive Security Appliance (ASA) Software');

var vuln_ranges = [
  {'min_ver': '9.8', 'fix_ver': '9.8.4.34'},
  {'min_ver': '9.9', 'fix_ver': '9.9.2.85'},
  {'min_ver': '9.10', 'fix_ver': '9.12.4.18'},
  {'min_ver': '9.13', 'fix_ver': '9.13.1.21'},
  {'min_ver': '9.14', 'fix_ver': '9.14.2.13'},
  {'min_ver': '9.15', 'fix_ver': '9.15.1.15'}
];

var workarounds = make_list(CISCO_WORKAROUNDS['generic_workaround']);
var workaround_params = WORKAROUND_CONFIG['sip_inspection'];

var reporting = make_array(
  'port'     , 0,
  'severity' , SECURITY_HOLE,
  'version'  , product_info['version'],
  'bug_id'   , 'CSCvw26544',
  'cmds'     , make_list('show service-policy')
);

cisco::check_and_report(
  product_info:product_info,
  workarounds:workarounds,
  workaround_params:workaround_params,
  reporting:reporting,
  vuln_ranges:vuln_ranges
);

CVSS2

7.8

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

CVSS3

8.6

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.002

Percentile

52.6%

Related for CISCO-SA-ASA-FTD-SIPDOS-GGWMMERC-ASA.NASL