CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
78.6%
The version of Adobe Flash Player installed on the remote Windows host is equal or prior to version 28.0.0.126. It is, therefore, affected by a an out-of-bounds read vulnerability.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(105691);
script_version("1.8");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");
script_cve_id("CVE-2018-4871");
script_bugtraq_id(102465);
script_name(english:"Adobe Flash Player <= 28.0.0.126 (APSB18-01)");
script_set_attribute(attribute:"synopsis", value:
"The remote Windows host has a browser plugin installed that is
affected by an out-of-bounds read vulnerability.");
script_set_attribute(attribute:"description", value:
"The version of Adobe Flash Player installed on the remote Windows
host is equal or prior to version 28.0.0.126. It is,
therefore, affected by a an out-of-bounds read vulnerability.");
script_set_attribute(attribute:"see_also", value:"https://helpx.adobe.com/security/products/flash-player/apsb18-01.html");
script_set_attribute(attribute:"solution", value:
"Upgrade to Adobe Flash Player version 28.0.0.137 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:H/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-2018-4871");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2018/01/09");
script_set_attribute(attribute:"patch_publication_date", value:"2018/01/09");
script_set_attribute(attribute:"plugin_publication_date", value:"2018/01/09");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:adobe:flash_player");
script_set_attribute(attribute:"thorough_tests", value:"true");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows");
script_copyright(english:"This script is Copyright (C) 2018-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("flash_player_installed.nasl");
script_require_keys("SMB/Flash_Player/installed");
exit(0);
}
include("global_settings.inc");
include("misc_func.inc");
get_kb_item_or_exit("SMB/Flash_Player/installed");
# Identify vulnerable versions.
info = "";
variants = make_list(
"Plugin",
"ActiveX",
"Chrome",
"Chrome_Pepper"
);
# we're checking for versions less than *or equal to* the cutoff!
foreach variant (variants)
{
vers = get_kb_list("SMB/Flash_Player/"+variant+"/Version/*");
files = get_kb_list("SMB/Flash_Player/"+variant+"/File/*");
if (isnull(vers) || isnull(files))
continue;
foreach key (keys(vers))
{
ver = vers[key];
if (isnull(ver))
continue;
# <= 28.0.0.126
if (ver_compare(ver:ver,fix:"28.0.0.126",strict:FALSE) <= 0)
{
num = key - ("SMB/Flash_Player/"+variant+"/Version/");
file = files["SMB/Flash_Player/"+variant+"/File/"+num];
if (variant == "Plugin")
{
info += '\n Product : Browser Plugin (for Firefox / Netscape / Opera)';
fix = "28.0.0.137";
}
else if (variant == "ActiveX")
{
info += '\n Product : ActiveX control (for Internet Explorer)';
fix = "28.0.0.137";
}
else if ("Chrome" >< variant)
{
info += '\n Product : Browser Plugin (for Google Chrome)';
if (variant == "Chrome")
fix = "Upgrade to a version of Google Chrome running Flash Player 28.0.0.137";
}
info += '\n Path : ' + file +
'\n Installed version : ' + ver;
if (variant == "Chrome_Pepper")
info += '\n Fixed version : 28.0.0.137 (Chrome PepperFlash)';
else if (!isnull(fix))
info += '\n Fixed version : '+fix;
info += '\n';
}
}
}
if (info)
{
port = get_kb_item("SMB/transport");
if (!port) port = 445;
security_report_v4(severity:SECURITY_WARNING, port:port, extra:info);
}
else
{
if (thorough_tests)
exit(0, 'No vulnerable versions of Adobe Flash Player were found.');
else
exit(1, 'Google Chrome\'s built-in Flash Player may not have been detected because the \'Perform thorough tests\' setting was not enabled.');
}
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
78.6%