CVSS2
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
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
86.3%
Avast Pro Antivirus is prone to multiple vulnerabilities.
# SPDX-FileCopyrightText: 2017 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only
CPE = "cpe:/a:avast:avast_pro_antivirus";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.811021");
script_version("2023-07-14T16:09:27+0000");
script_cve_id("CVE-2017-8308", "CVE-2017-8307");
script_tag(name:"cvss_base", value:"7.5");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");
script_tag(name:"last_modification", value:"2023-07-14 16:09:27 +0000 (Fri, 14 Jul 2023)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");
script_tag(name:"creation_date", value:"2017-05-05 13:59:15 +0530 (Fri, 05 May 2017)");
script_name("Avast Pro Antivirus Multiple Vulnerabilities");
script_tag(name:"summary", value:"Avast Pro Antivirus is prone to multiple vulnerabilities.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"Multiple flaws exist due to design errors in
the application. Using LPC interface API exposed by the AvastSVC.exe Windows
service it is possible to delete arbitrary file, replace arbitrary file and
launch predefined binaries.");
script_tag(name:"impact", value:"Successful exploitation will allow attackers
to conduct a denial-of-service condition, execute arbitrary code and bypass
certain security features on the affected system.");
script_tag(name:"affected", value:"Avast Pro Antivirus version prior to
version 17.0");
script_tag(name:"solution", value:"Upgrade to Avast Pro Antivirus version
17.0 or later.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"registry");
script_xref(name:"URL", value:"https://www.trustwave.com/Resources/Security-Advisories/Advisories/Multiple-Vulnerabilities-in-Avast-Antivirus/?fid=9201");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/98084");
script_xref(name:"URL", value:"http://www.securityfocus.com/bid/98086");
script_copyright("Copyright (C) 2017 Greenbone AG");
script_category(ACT_GATHER_INFO);
script_family("General");
script_dependencies("gb_avast_pro_detect.nasl");
script_mandatory_keys("Avast/Pro_Antivirus/Win/Ver");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if(!avastVer = get_app_version(cpe:CPE)){
exit(0);
}
if(version_is_less(version:avastVer, test_version:"17.0"))
{
report = report_fixed_ver(installed_version:avastVer, fixed_version:"17.0");
security_message(data:report);
exit(0);
}
CVSS2
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
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
86.3%