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
AI Score
Confidence
High
EPSS
Percentile
87.6%
This host is missing an important security
update for PowerShell Core according to Microsoft security advisory
CVE-2018-8292.
# SPDX-FileCopyrightText: 2018 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:microsoft:powershell";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.814092");
script_version("2024-02-09T05:06:25+0000");
script_cve_id("CVE-2018-8292");
script_tag(name:"cvss_base", value:"5.0");
script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
script_tag(name:"last_modification", value:"2024-02-09 05:06:25 +0000 (Fri, 09 Feb 2024)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2018-12-06 14:46:00 +0000 (Thu, 06 Dec 2018)");
script_tag(name:"creation_date", value:"2018-10-11 12:17:23 +0530 (Thu, 11 Oct 2018)");
script_name("Microsoft PowerShell Core Information Disclosure Vulnerability (Oct 2018) - Linux");
script_tag(name:"summary", value:"This host is missing an important security
update for PowerShell Core according to Microsoft security advisory
CVE-2018-8292.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present
on the target host.");
script_tag(name:"insight", value:"The flaw exists when .NET Core when HTTP
authentication information is inadvertently exposed in an outbound request that
encounters an HTTP redirect.");
script_tag(name:"impact", value:"Successful exploitation will allow attackers
to disclose sensitive information and use the information to further compromise
the web application.");
script_tag(name:"affected", value:"PowerShell Core versions 6.x prior to 6.1.0
on Linux.");
script_tag(name:"solution", value:"Update PowerShell Core to version 6.1.0 or
later. Please see the references for more information.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"executable_version");
script_xref(name:"URL", value:"https://github.com/PowerShell/PowerShell");
script_xref(name:"URL", value:"https://github.com/PowerShell/Announcements/issues/7");
script_xref(name:"URL", value:"https://github.com/PowerShell/PowerShell/issues/7981");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2018 Greenbone AG");
script_family("General");
script_dependencies("gb_powershell_core_detect_lin.nasl");
script_mandatory_keys("PowerShell/Linux/Ver");
exit(0);
}
include("version_func.inc");
include("host_details.inc");
if(!infos = get_app_version_and_location(cpe:CPE, exit_no_version:TRUE)) exit(0);
psVer = infos['version'];
psPath = infos['location'];
if(psVer =~ "^6\." && version_is_less(version:psVer, test_version:"6.1.0")){
fix = "6.1.0";
}
## Preview versions and release candidate versions
## v6.1.0-preview.4 = 6.1.0.4, v6.1.0-preview.1 = 6.1.0.1, v6.1.0-preview.2 = 6.1.0.2, v6.1.0-preview.3 = 6.1.0.3, 6.1.0-rc.1
affected = make_list('6.1.0.1', '6.1.0.2', '6.1.0.3', '6.1.0.4', '6.1.0-rc.1');
foreach version (affected)
{
if(psVer == version){
fix = "6.1.0";
}
}
if(fix)
{
report = report_fixed_ver(installed_version:psVer, fixed_version:fix, install_path:psPath);
security_message(data:report);
exit(0);
}
exit(0);
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
AI Score
Confidence
High
EPSS
Percentile
87.6%