CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
19.4%
The Linux Kernel in Greenbone OS is prone to multiple information disclosure vulnerabilities.
# SPDX-FileCopyrightText: 2020 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:/o:greenbone:greenbone_os";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.108812");
script_cve_id("CVE-2020-0543", "CVE-2020-0548", "CVE-2020-0549");
script_version("2024-02-19T05:05:57+0000");
script_tag(name:"cvss_base", value:"2.1");
script_tag(name:"cvss_base_vector", value:"AV:L/AC:L/Au:N/C:P/I:N/A:N");
script_tag(name:"last_modification", value:"2024-02-19 05:05:57 +0000 (Mon, 19 Feb 2024)");
script_tag(name:"severity_vector", value:"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2020-11-29 03:15:00 +0000 (Sun, 29 Nov 2020)");
script_tag(name:"creation_date", value:"2020-07-02 07:43:24 +0000 (Thu, 02 Jul 2020)");
script_name("Greenbone OS - Linux Kernel Multiple Vulnerabilities (Jun 2020)");
script_category(ACT_GATHER_INFO);
script_family("General");
script_copyright("Copyright (C) 2020 Greenbone AG");
script_dependencies("gb_greenbone_os_consolidation.nasl");
script_mandatory_keys("greenbone/gos/detected", "greenbone/gsm/type");
script_tag(name:"summary", value:"The Linux Kernel in Greenbone OS is prone to multiple information disclosure vulnerabilities.");
script_tag(name:"insight", value:"The Intel June 2020 microcode update is included in GOS, addressing the 'CROSSTalk', 'CacheOut' and
'SGAxe' vulnerabilities of Intel processors.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"solution", value:"Update to Greenbone OS 4.3.21, 5.0.19, 6.0.9 or later.");
script_tag(name:"affected", value:"Greenbone OS prior to version 4.3.21, 5.x prior to 5.0.19 and 6.0.x prior to
version 6.0.9.");
script_xref(name:"URL", value:"https://www.greenbone.net/roadmap-lifecycle/");
script_xref(name:"URL", value:"https://www.vusec.net/projects/crosstalk/");
script_xref(name:"URL", value:"https://cacheoutattack.com/");
script_xref(name:"URL", value:"https://sgaxe.com/");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"remote_banner");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if( ! type = get_kb_item( "greenbone/gsm/type" ) )
exit( 0 );
if( type !~ "^(400|450|600|650)$" )
exit( 99 );
if( ! version = get_app_version( cpe:CPE, nofork:TRUE ) )
exit( 0 );
version = str_replace( string:version, find:"-", replace:"." );
if( version_is_less( version:version, test_version:"4.3.21" ) ) {
report = report_fixed_ver( installed_version:version, fixed_version:"4.3.21" );
security_message( port:0, data:report );
exit( 0 );
}
if( version =~ "^5\.0" && version_is_less( version:version, test_version:"5.0.19" ) ) {
report = report_fixed_ver( installed_version:version, fixed_version:"5.0.19" );
security_message( port:0, data:report );
exit( 0 );
}
if( version =~ "^6\.0" && version_is_less( version:version, test_version:"6.0.9" ) ) {
report = report_fixed_ver( installed_version:version, fixed_version:"6.0.9" );
security_message( port:0, data:report );
exit( 0 );
}
exit( 99 );
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
AI Score
Confidence
High
EPSS
Percentile
19.4%