Adobe Acrobat < 2017.011.30202 / 2020.004.30015 / 2021.007.20091 Multiple Vulnerabilities (APSB21-55) (macOS)

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

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

if (description)
{
  script_id(153362);
  script_version("1.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/09/12");

  script_cve_id(
    "CVE-2021-35982",
    "CVE-2021-39836",
    "CVE-2021-39837",
    "CVE-2021-39838",
    "CVE-2021-39839",
    "CVE-2021-39840",
    "CVE-2021-39841",
    "CVE-2021-39842",
    "CVE-2021-39843",
    "CVE-2021-39844",
    "CVE-2021-39845",
    "CVE-2021-39846",
    "CVE-2021-39849",
    "CVE-2021-39850",
    "CVE-2021-39851",
    "CVE-2021-39852",
    "CVE-2021-39853",
    "CVE-2021-39854",
    "CVE-2021-39855",
    "CVE-2021-39856",
    "CVE-2021-39857",
    "CVE-2021-39858",
    "CVE-2021-39859",
    "CVE-2021-39860",
    "CVE-2021-39861",
    "CVE-2021-39863",
    "CVE-2021-40725",
    "CVE-2021-40726"
  );
  script_xref(name:"IAVA", value:"2021-A-0415-S");

  script_name(english:"Adobe Acrobat < 2017.011.30202 / 2020.004.30015 / 2021.007.20091 Multiple Vulnerabilities (APSB21-55) (macOS)");

  script_set_attribute(attribute:"synopsis", value:
"The version of Adobe Acrobat installed on the remote macOS host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Adobe Acrobat installed on the remote macOS host is a version prior to 2017.011.30202, 2020.004.30015, or
2021.007.20091. It is, therefore, affected by multiple vulnerabilities.

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a Type Confusion vulnerability. An attacker could leverage this
    vulnerability to execute arbitrary code in the context of the current user. Exploitation of this issue
    requires user interaction in that a victim must open a malicious file. (CVE-2021-39841)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a Buffer Overflow vulnerability when parsing a specially crafted PDF file.
    An unauthenticated attacker could leverage this vulnerability to achieve arbitrary code execution in the
    context of the current user. Exploitation of this issue requires user interaction in that a victim must
    open a malicious file. (CVE-2021-39863)

  - Adobe Acrobat Reader DC add-on for Internet Explorer versions 2021.005.20060 (and earlier), 2020.004.30006
    (and earlier) and 2017.011.30199 (and earlier) are affected by an Information Disclosure vulnerability. An
    unauthenticated attacker could leverage this vulnerability to check for existence of local files.
    Exploitation of this issue requires user interaction in that a victim must visit an attacker controlled
    web page. (CVE-2021-39857)

  - Acrobat Reader DC ActiveX Control versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and
    2017.011.30199 (and earlier) are affected by an Information Disclosure vulnerability. An unauthenticated
    attacker could leverage this vulnerability to obtain NTLMv2 credentials. Exploitation of this issue
    requires user interaction in that a victim must visit an attacker controlled web page. (CVE-2021-39856)

  - Acrobat Reader DC ActiveX Control versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and
    2017.011.30199 (and earlier) are affected by an Information Disclosure vulnerability. An unauthenticated
    attacker could leverage this vulnerability to obtain NTLMv2 credentials. Exploitation of this issue
    requires user interaction in that a victim must open a maliciously crafted Microsoft Office file, or visit
    an attacker controlled web page. (CVE-2021-39855)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of
    arbitrary memory information in the context of the current user. Exploitation of this issue requires user
    interaction in that a victim must open a malicious file. (CVE-2021-39844, CVE-2021-39858, CVE-2021-39861)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code
    execution in the context of the current user. Exploitation of this issue requires user interaction in that
    a victim must open a malicious file. (CVE-2021-39843)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a stack overflow vulnerability due to insecure handling of a crafted PDF
    file, potentially resulting in memory corruption in the context of the current user. Exploitation requires
    user interaction in that a victim must open a crafted PDF file in Acrobat Reader. (CVE-2021-39845,
    CVE-2021-39846)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by an Uncontrolled Search Path Element vulnerability. A local attacker with
    non-administrative privileges can plant a malicious DLL to achieve arbitrary code execution in the context
    of the current user via DLL hijacking. Exploitation of this issue requires user interaction.
    (CVE-2021-35982)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a Use After Free vulnerability that could lead to disclosure of sensitive
    memory. An attacker could leverage this vulnerability to bypass mitigations such as ASLR. Exploitation of
    this issue requires user interaction in that a victim must open a malicious file. (CVE-2021-39859)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a use-after-free vulnerability when processing AcroForms that could result
    in arbitrary code execution in the context of the current user. User interaction is required to exploit
    this vulnerability in that the target must visit a malicious page or open a malicious file.
    (CVE-2021-39840)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a use-after-free vulnerability that could result in arbitrary code execution
    in the context of the current user. Exploitation of this issue requires user interaction in that a victim
    must open a malicious file. (CVE-2021-39842)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a use-after-free vulnerability in the processing of the AcroForm getItem
    action that could result in arbitrary code execution in the context of the current user. Exploitation of
    this issue requires user interaction in that a victim must open a malicious file. (CVE-2021-39839)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a use-after-free vulnerability in the processing of the AcroForm
    buttonGetCaption action that could result in arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-39838)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a use-after-free vulnerability in the processing of the AcroForm
    deleteItemAt action that could result in arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-39837)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a use-after-free vulnerability in the processing of the AcroForm
    buttonGetIcon action that could result in arbitrary code execution in the context of the current user.
    Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-39836)

  - Acrobat Pro DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199 (and
    earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could
    leverage this vulnerability to disclose sensitive user memory. Exploitation of this issue requires user
    interaction in that a victim must open a malicious file. (CVE-2021-39860)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a Null pointer dereference vulnerability. An unauthenticated attacker could
    leverage this vulnerability to achieve an application denial-of-service in the context of the current
    user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
    (CVE-2021-39849, CVE-2021-39850, CVE-2021-39851, CVE-2021-39852, CVE-2021-39853, CVE-2021-39854)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a use-after-free vulnerability when processing AcroForm listbox that could
    result in arbitrary code execution in the context of the current user. User interaction is required to
    exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
    (CVE-2021-40725)

  - Acrobat Reader DC versions 2021.005.20060 (and earlier), 2020.004.30006 (and earlier) and 2017.011.30199
    (and earlier) are affected by a use-after-free vulnerability when processing AcroForm field that could
    result in arbitrary code execution in the context of the current user. User interaction is required to
    exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
    (CVE-2021-40726)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://helpx.adobe.com/security/products/acrobat/apsb21-55.html");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Adobe Acrobat version 2017.011.30202 / 2020.004.30015 / 2021.007.20091 or later.");
  script_set_attribute(attribute:"agent", value:"unix");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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-2021-40726");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2021-39863");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");
  script_cwe_id(121, 122, 125, 200, 416, 427, 476, 787, 843);

  script_set_attribute(attribute:"vuln_publication_date", value:"2021/09/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2021/09/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2021/09/14");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:adobe:acrobat");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"MacOS X Local Security Checks");

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

  script_dependencies("macosx_adobe_acrobat_installed.nbin");
  script_require_keys("Host/local_checks_enabled", "Host/MacOSX/Version", "installed_sw/Adobe Acrobat");

  exit(0);
}

include('vcf_extras.inc');

get_kb_item_or_exit('Host/local_checks_enabled');
os = get_kb_item('Host/MacOSX/Version');
if (empty_or_null(os)) audit(AUDIT_OS_NOT, 'Mac OS X');

var app_info = vcf::get_app_info(app:'Adobe Acrobat');

# vcf::adobe_reader::check_version_and_report will
# properly separate tracks when checking constraints.
# x.y.30zzz = DC Classic
# x.y.20zzz = DC Continuous
var constraints = [
  { 'min_version' : '17.8', 'max_version' : '17.011.30199', 'fixed_version' : '17.011.30202', 'track' : 'DC Classic' },
  { 'min_version' : '20.1', 'max_version' : '20.004.30006', 'fixed_version' : '20.004.30015', 'track' : 'DC Classic' },
  { 'min_version' : '15.7', 'max_version' : '21.005.20058', 'fixed_version' : '21.007.20091', 'track' : 'DC Continuous' }
];
vcf::adobe_acrobat::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    max_segs:3,
    severity:SECURITY_WARNING
);