8.3 High
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:C/I:C/A:C
8.8 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.2 High
AI Score
Confidence
Low
0.007 Low
EPSS
Percentile
80.1%
The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2019:2703 advisory.
kernel: Use-after-free in sound/usb/card.c:usb_audio_probe() (CVE-2018-19824)
kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)
kernel: ppc: unrelated processes being able to read/write to each other’s virtual memory (CVE-2019-12817)
kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c (CVE-2019-3846)
Kernel: KVM: nVMX: guest accesses L0 MSR causes potential DoS (CVE-2019-3887)
kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results (CVE-2019-9500)
kernel: brcmfmac frame validation bypass (CVE-2019-9503)
Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.
##
# (C) Tenable Network Security, Inc.
#
# The package checks in this plugin were extracted from
# Red Hat Security Advisory RHSA-2019:2703. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(145668);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/01/25");
script_cve_id(
"CVE-2018-19824",
"CVE-2019-3846",
"CVE-2019-3887",
"CVE-2019-9500",
"CVE-2019-9503",
"CVE-2019-11487",
"CVE-2019-12817"
);
script_bugtraq_id(
106109,
107850,
108011,
108054,
108521,
108884
);
script_xref(name:"RHSA", value:"2019:2703");
script_name(english:"CentOS 8 : kernel (CESA-2019:2703)");
script_set_attribute(attribute:"synopsis", value:
"The remote CentOS host is missing one or more security updates.");
script_set_attribute(attribute:"description", value:
"The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the
CESA-2019:2703 advisory.
- kernel: Use-after-free in sound/usb/card.c:usb_audio_probe() (CVE-2018-19824)
- kernel: Count overflow in FUSE request leading to use-after-free issues. (CVE-2019-11487)
- kernel: ppc: unrelated processes being able to read/write to each other's virtual memory (CVE-2019-12817)
- kernel: Heap overflow in mwifiex_update_bss_desc_with_ie function in marvell/mwifiex/scan.c
(CVE-2019-3846)
- Kernel: KVM: nVMX: guest accesses L0 MSR causes potential DoS (CVE-2019-3887)
- kernel: brcmfmac heap buffer overflow in brcmf_wowl_nd_results (CVE-2019-9500)
- kernel: brcmfmac frame validation bypass (CVE-2019-9503)
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2019:2703");
script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
script_set_cvss_base_vector("CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C");
script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-3846");
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:"2018/12/03");
script_set_attribute(attribute:"patch_publication_date", value:"2019/09/12");
script_set_attribute(attribute:"plugin_publication_date", value:"2021/01/29");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/o:centos:centos:8");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:bpftool");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-abi-whitelists");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-core");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-cross-headers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-debug");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-debug-core");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-debug-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-debug-modules");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-debug-modules-extra");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-headers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-modules");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-modules-extra");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-tools-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:kernel-tools-libs-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:perf");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:centos:centos:python3-perf");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"CentOS Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2021-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl", "linux_alt_patch_detect.nasl");
script_require_keys("Host/local_checks_enabled", "Host/CentOS/release", "Host/CentOS/rpm-list", "Host/cpu");
exit(0);
}
include('audit.inc');
include('global_settings.inc');
include('misc_func.inc');
include('rpm.inc');
include('rhel.inc');
include('ksplice.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item('Host/CentOS/release');
if (isnull(release) || 'CentOS' >!< release) audit(AUDIT_OS_NOT, 'CentOS');
os_ver = pregmatch(pattern: "CentOS(?: Stream)?(?: Linux)? release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'CentOS');
os_ver = os_ver[1];
if ('CentOS Stream' >< release) audit(AUDIT_OS_NOT, 'CentOS 8.x', 'CentOS Stream ' + os_ver);
if (!rhel_check_release(operator: 'ge', os_version: os_ver, rhel_version: '8')) audit(AUDIT_OS_NOT, 'CentOS 8.x', 'CentOS ' + os_ver);
if (!get_kb_item('Host/CentOS/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);
cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'CentOS', cpu);
if (get_one_kb_item('Host/ksplice/kernel-cves'))
{
rm_kb_item(name:'Host/uptrack-uname-r');
cve_list = make_list('CVE-2018-19824', 'CVE-2019-3846', 'CVE-2019-3887', 'CVE-2019-9500', 'CVE-2019-9503', 'CVE-2019-11487', 'CVE-2019-12817');
if (ksplice_cves_check(cve_list))
{
audit(AUDIT_PATCH_INSTALLED, 'KSplice hotfix for CESA-2019:2703');
}
else
{
__rpm_report = ksplice_reporting_text();
}
}
pkgs = [
{'reference':'bpftool-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'bpftool-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-abi-whitelists-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-abi-whitelists-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-core-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-core-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-cross-headers-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-cross-headers-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-core-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-core-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-devel-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-devel-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-modules-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-modules-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-modules-extra-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-debug-modules-extra-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-devel-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-devel-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-headers-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-headers-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-modules-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-modules-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-modules-extra-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-modules-extra-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-devel-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'kernel-tools-libs-devel-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'perf-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-perf-4.18.0-80.11.1.el8_0', 'cpu':'aarch64', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python3-perf-4.18.0-80.11.1.el8_0', 'cpu':'x86_64', 'release':'8', 'rpm_spec_vers_cmp':TRUE}
];
flag = 0;
foreach package_array ( pkgs ) {
reference = NULL;
release = NULL;
sp = NULL;
cpu = NULL;
el_string = NULL;
rpm_spec_vers_cmp = NULL;
epoch = NULL;
allowmaj = NULL;
if (!empty_or_null(package_array['reference'])) reference = package_array['reference'];
if (!empty_or_null(package_array['release'])) release = 'CentOS-' + 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 (reference && release) {
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
{
tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'bpftool / kernel / kernel-abi-whitelists / kernel-core / etc');
}
Vendor | Product | Version | CPE |
---|---|---|---|
centos | centos | 8 | cpe:/o:centos:centos:8 |
centos | centos | bpftool | p-cpe:/a:centos:centos:bpftool |
centos | centos | kernel | p-cpe:/a:centos:centos:kernel |
centos | centos | kernel-abi-whitelists | p-cpe:/a:centos:centos:kernel-abi-whitelists |
centos | centos | kernel-core | p-cpe:/a:centos:centos:kernel-core |
centos | centos | kernel-cross-headers | p-cpe:/a:centos:centos:kernel-cross-headers |
centos | centos | kernel-debug | p-cpe:/a:centos:centos:kernel-debug |
centos | centos | kernel-debug-core | p-cpe:/a:centos:centos:kernel-debug-core |
centos | centos | kernel-debug-devel | p-cpe:/a:centos:centos:kernel-debug-devel |
centos | centos | kernel-debug-modules | p-cpe:/a:centos:centos:kernel-debug-modules |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-19824
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11487
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-12817
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3846
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-3887
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9500
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9503
access.redhat.com/errata/RHSA-2019:2703
8.3 High
CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:C/I:C/A:C
8.8 High
CVSS3
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.2 High
AI Score
Confidence
Low
0.007 Low
EPSS
Percentile
80.1%