CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
68.7%
OpenSC is prone to a memory leak vulnerability.
# SPDX-FileCopyrightText: 2019 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
if (description)
{
script_oid("1.3.6.1.4.1.25623.1.0.112498");
script_version("2024-02-15T05:05:40+0000");
script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
script_tag(name:"creation_date", value:"2019-01-24 15:36:12 +0100 (Thu, 24 Jan 2019)");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-08-24 17:37:00 +0000 (Mon, 24 Aug 2020)");
script_cve_id("CVE-2019-6502");
script_tag(name:"qod_type", value:"executable_version_unreliable");
script_tag(name:"solution_type", value:"VendorFix");
script_name("OpenSC < 0.20.0 Memory Leak Vulnerability - Linux");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2019 Greenbone AG");
script_family("General");
script_dependencies("gb_opensc_detect.nasl");
script_mandatory_keys("opensc/detected");
script_tag(name:"summary", value:"OpenSC is prone to a memory leak vulnerability.");
script_tag(name:"insight", value:"sc_context_create in ctx.c in libopensc in OpenSC has a memory leak, via a call from eidenv.c.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"affected", value:"OpenSC prior to version 0.20.0.");
script_tag(name:"solution", value:"Update to OpenSC version 0.20.0 or later.");
script_xref(name:"URL", value:"https://github.com/OpenSC/OpenSC/issues/1586");
exit(0);
}
CPE = "cpe:/a:opensc-project:opensc";
include("host_details.inc");
include("version_func.inc");
if(!infos = get_app_version_and_location(cpe: CPE, exit_no_version: TRUE))
exit(0);
vers = infos['version'];
path = infos['location'];
if(version_is_less(version: vers, test_version: "0.20.0")) {
report = report_fixed_ver(installed_version: vers, fixed_version: "0.20.0", install_path: path);
security_message(port: 0, data: report);
exit(0);
}
exit(99);
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
68.7%