CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
Percentile
84.0%
It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-242 advisory.
.NET Denial of Service Vulnerability (CVE-2023-21538)
.NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability (CVE-2023-24895)
.NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability (CVE-2023-24936)
.NET, .NET Framework, and Visual Studio Denial of Service Vulnerability (CVE-2023-29331)
NuGet Client Remote Code Execution Vulnerability (CVE-2023-29337)
.NET and Visual Studio Elevation of Privilege Vulnerability (CVE-2023-32032, CVE-2023-33135)
Note that Nessus has not tested for these issues but has instead relied only on the application’s self-reported version number.
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Amazon Linux 2023 Security Advisory ALAS2023-2023-242.
##
include('compat.inc');
if (description)
{
script_id(178608);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2023/07/20");
script_cve_id(
"CVE-2023-21538",
"CVE-2023-24895",
"CVE-2023-24936",
"CVE-2023-29331",
"CVE-2023-29337",
"CVE-2023-32032",
"CVE-2023-33135"
);
script_name(english:"Amazon Linux 2023 : aspnetcore-runtime-6.0, aspnetcore-targeting-pack-6.0, dotnet (ALAS2023-2023-242)");
script_set_attribute(attribute:"synopsis", value:
"The remote Amazon Linux 2023 host is missing a security update.");
script_set_attribute(attribute:"description", value:
"It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-242 advisory.
- .NET Denial of Service Vulnerability (CVE-2023-21538)
- .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability (CVE-2023-24895)
- .NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability (CVE-2023-24936)
- .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability (CVE-2023-29331)
- NuGet Client Remote Code Execution Vulnerability (CVE-2023-29337)
- .NET and Visual Studio Elevation of Privilege Vulnerability (CVE-2023-32032, CVE-2023-33135)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/AL2023/ALAS-2023-242.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-21538.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-24895.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-24936.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-29331.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-29337.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-32032.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/cve/html/CVE-2023-33135.html");
script_set_attribute(attribute:"see_also", value:"https://alas.aws.amazon.com/faqs.html");
script_set_attribute(attribute:"solution", value:
"Run 'dnf update dotnet6.0 --releasever 2023.1.20230719' to update your system.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:F/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:F/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-24936");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2023-24895");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_set_attribute(attribute:"vuln_publication_date", value:"2023/01/10");
script_set_attribute(attribute:"patch_publication_date", value:"2023/07/05");
script_set_attribute(attribute:"plugin_publication_date", value:"2023/07/20");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:aspnetcore-runtime-6.0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:aspnetcore-targeting-pack-6.0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-apphost-pack-6.0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-apphost-pack-6.0-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-host");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-host-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-hostfxr-6.0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-hostfxr-6.0-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-runtime-6.0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-runtime-6.0-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-sdk-6.0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-sdk-6.0-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-sdk-6.0-source-built-artifacts");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-targeting-pack-6.0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet-templates-6.0");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet6.0-debuginfo");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:dotnet6.0-debugsource");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:amazon:linux:netstandard-targeting-pack-2.1");
script_set_attribute(attribute:"cpe", value:"cpe:/o:amazon:linux:2023");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Amazon Linux Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2023 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/AmazonLinux/release", "Host/AmazonLinux/rpm-list");
exit(0);
}
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var alas_release = get_kb_item("Host/AmazonLinux/release");
if (isnull(alas_release) || !strlen(alas_release)) audit(AUDIT_OS_NOT, "Amazon Linux");
var os_ver = pregmatch(pattern: "^AL(A|\d+|-\d+)", string:alas_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Amazon Linux");
os_ver = os_ver[1];
if (os_ver != "-2023")
{
if (os_ver == 'A') os_ver = 'AMI';
audit(AUDIT_OS_NOT, "Amazon Linux 2023", "Amazon Linux " + os_ver);
}
if (!get_kb_item("Host/AmazonLinux/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);
var pkgs = [
{'reference':'aspnetcore-runtime-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'aspnetcore-runtime-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'aspnetcore-targeting-pack-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'aspnetcore-targeting-pack-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-6.0.118-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-6.0.118-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-apphost-pack-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-apphost-pack-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-apphost-pack-6.0-debuginfo-6.0.18-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-apphost-pack-6.0-debuginfo-6.0.18-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-host-6.0.18-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-host-6.0.18-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-host-debuginfo-6.0.18-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-host-debuginfo-6.0.18-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-hostfxr-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-hostfxr-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-hostfxr-6.0-debuginfo-6.0.18-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-hostfxr-6.0-debuginfo-6.0.18-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-runtime-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-runtime-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-runtime-6.0-debuginfo-6.0.18-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-runtime-6.0-debuginfo-6.0.18-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-sdk-6.0-6.0.118-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-sdk-6.0-6.0.118-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-sdk-6.0-debuginfo-6.0.118-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-sdk-6.0-debuginfo-6.0.118-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-sdk-6.0-source-built-artifacts-6.0.118-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-sdk-6.0-source-built-artifacts-6.0.118-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-targeting-pack-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-targeting-pack-6.0-6.0.18-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-templates-6.0-6.0.118-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet-templates-6.0-6.0.118-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet6.0-debuginfo-6.0.118-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet6.0-debuginfo-6.0.118-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet6.0-debugsource-6.0.118-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'dotnet6.0-debugsource-6.0.118-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'netstandard-targeting-pack-2.1-6.0.118-1.amzn2023.0.1', 'cpu':'aarch64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE},
{'reference':'netstandard-targeting-pack-2.1-6.0.118-1.amzn2023.0.1', 'cpu':'x86_64', 'release':'AL-2023', 'rpm_spec_vers_cmp':TRUE}
];
var flag = 0;
foreach var package_array ( pkgs ) {
var reference = NULL;
var _release = NULL;
var sp = NULL;
var _cpu = NULL;
var el_string = NULL;
var rpm_spec_vers_cmp = NULL;
var epoch = NULL;
var allowmaj = NULL;
var exists_check = NULL;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) _release = package_array['release'];
if (!empty_or_null(package_array['sp'])) sp = package_array['sp'];
if (!empty_or_null(package_array['cpu'])) _cpu = package_array['cpu'];
if (!empty_or_null(package_array['el_string'])) el_string = package_array['el_string'];
if (!empty_or_null(package_array['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = package_array['rpm_spec_vers_cmp'];
if (!empty_or_null(package_array['epoch'])) epoch = package_array['epoch'];
if (!empty_or_null(package_array['allowmaj'])) allowmaj = package_array['allowmaj'];
if (!empty_or_null(package_array['exists_check'])) exists_check = package_array['exists_check'];
if (reference && _release && (!exists_check || rpm_exists(release:_release, rpm:exists_check))) {
if (rpm_check(release:_release, sp:sp, cpu:_cpu, reference:reference, epoch:epoch, el_string:el_string, rpm_spec_vers_cmp:rpm_spec_vers_cmp, allowmaj:allowmaj)) flag++;
}
}
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_HOLE,
extra : rpm_report_get()
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, "aspnetcore-runtime-6.0 / aspnetcore-targeting-pack-6.0 / dotnet / etc");
}
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21538
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24895
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-24936
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29331
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-29337
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-32032
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-33135
alas.aws.amazon.com/AL2023/ALAS-2023-242.html
alas.aws.amazon.com/cve/html/CVE-2023-21538.html
alas.aws.amazon.com/cve/html/CVE-2023-24895.html
alas.aws.amazon.com/cve/html/CVE-2023-24936.html
alas.aws.amazon.com/cve/html/CVE-2023-29331.html
alas.aws.amazon.com/cve/html/CVE-2023-29337.html
alas.aws.amazon.com/cve/html/CVE-2023-32032.html
alas.aws.amazon.com/cve/html/CVE-2023-33135.html
alas.aws.amazon.com/faqs.html