4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
7.1 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
0.002 Low
EPSS
Percentile
57.2%
According to the versions of the kernel packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :
The Linux kernel through 5.7.11 allows remote attackers to make observations that help to obtain sensitive information about the internal state of the network RNG, aka CID-f227e3ec3b5c. This is related to drivers/char/random.c and kernel/time/timer.c.(CVE-2020-16166)
In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the NFS server) can set incorrect permissions on new filesystem objects when the filesystem lacks ACL support, aka CID-22cf8419f131. This occurs because the current umask is not considered.(CVE-2020-24394)
In uvc_scan_chain_forward of uvc_driver.c, there is a possible linked list corruption due to an unusual root cause. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-111893654References: Upstream kernel(CVE-2020-0404)
A TOCTOU mismatch in the NFS client code in the Linux kernel before 5.8.3 could be used by local attackers to corrupt memory or possibly have unspecified other impact because a size check is in fs/nfs/nfs4proc.c instead of fs/nfs/nfs4xdr.c, aka CID-b4487b935452.(CVE-2020-25212)
A flaw was found in the Linux kernel before 5.9-rc4. A failure of the file system metadata validator in XFS can cause an inode with a valid, user-creatable extended attribute to be flagged as corrupt. This can lead to the filesystem being shutdown, or otherwise rendered inaccessible until it is remounted, leading to a denial of service. The highest threat from this vulnerability is to system availability.(CVE-2020-14385)
The rbd block device driver in drivers/block/rbd.c in the Linux kernel through 5.8.9 used incomplete permission checking for access to rbd devices, which could be leveraged by local attackers to map or unmap rbd block devices, aka CID-f44d04e696fe.(CVE-2020-25284)
A flaw was found in the Linux kernel in versions from 2.2.3 through 5.9.rc5. When changing screen size, an out-of-bounds memory write can occur leading to memory corruption or a denial of service. This highest threat from this vulnerability is to system availability.(CVE-2020-14390)
Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(140959);
script_version("1.6");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/12");
script_cve_id(
"CVE-2020-0404",
"CVE-2020-14385",
"CVE-2020-14390",
"CVE-2020-16166",
"CVE-2020-24394",
"CVE-2020-25212",
"CVE-2020-25284"
);
script_name(english:"EulerOS Virtualization for ARM 64 3.0.6.0 : kernel (EulerOS-SA-2020-2011)");
script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS Virtualization for ARM 64 host is missing multiple security
updates.");
script_set_attribute(attribute:"description", value:
"According to the versions of the kernel packages installed, the
EulerOS Virtualization for ARM 64 installation on the remote host is
affected by the following vulnerabilities :
- The Linux kernel through 5.7.11 allows remote attackers
to make observations that help to obtain sensitive
information about the internal state of the network
RNG, aka CID-f227e3ec3b5c. This is related to
drivers/char/random.c and
kernel/time/timer.c.(CVE-2020-16166)
- In the Linux kernel before 5.7.8, fs/nfsd/vfs.c (in the
NFS server) can set incorrect permissions on new
filesystem objects when the filesystem lacks ACL
support, aka CID-22cf8419f131. This occurs because the
current umask is not considered.(CVE-2020-24394)
- In uvc_scan_chain_forward of uvc_driver.c, there is a
possible linked list corruption due to an unusual root
cause. This could lead to local escalation of privilege
in the kernel with no additional execution privileges
needed. User interaction is not needed for
exploitation.Product: AndroidVersions: Android
kernelAndroid ID: A-111893654References: Upstream
kernel(CVE-2020-0404)
- A TOCTOU mismatch in the NFS client code in the Linux
kernel before 5.8.3 could be used by local attackers to
corrupt memory or possibly have unspecified other
impact because a size check is in fs/nfs/nfs4proc.c
instead of fs/nfs/nfs4xdr.c, aka
CID-b4487b935452.(CVE-2020-25212)
- A flaw was found in the Linux kernel before 5.9-rc4. A
failure of the file system metadata validator in XFS
can cause an inode with a valid, user-creatable
extended attribute to be flagged as corrupt. This can
lead to the filesystem being shutdown, or otherwise
rendered inaccessible until it is remounted, leading to
a denial of service. The highest threat from this
vulnerability is to system
availability.(CVE-2020-14385)
- The rbd block device driver in drivers/block/rbd.c in
the Linux kernel through 5.8.9 used incomplete
permission checking for access to rbd devices, which
could be leveraged by local attackers to map or unmap
rbd block devices, aka
CID-f44d04e696fe.(CVE-2020-25284)
- A flaw was found in the Linux kernel in versions from
2.2.3 through 5.9.rc5. When changing screen size, an
out-of-bounds memory write can occur leading to memory
corruption or a denial of service. This highest threat
from this vulnerability is to system
availability.(CVE-2020-14390)
Note that Tenable Network Security has extracted the preceding
description block directly from the EulerOS security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.");
# https://developer.huaweicloud.com/ict/en/site-euleros/euleros/security-advisories/EulerOS-SA-2020-2011
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?82243a9c");
script_set_attribute(attribute:"solution", value:
"Update the affected kernel packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-14390");
script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2020-24394");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"patch_publication_date", value:"2020/09/25");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/09/29");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-headers");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-tools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-tools-libs");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:kernel-tools-libs-devel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:perf");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:python-perf");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:python3-perf");
script_set_attribute(attribute:"cpe", value:"cpe:/o:huawei:euleros:uvp:3.0.6.0");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Huawei Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2020-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/cpu", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/uvp_version");
exit(0);
}
include("audit.inc");
include("global_settings.inc");
include("rpm.inc");
if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/EulerOS/release");
if (isnull(release) || release !~ "^EulerOS") audit(AUDIT_OS_NOT, "EulerOS");
uvp = get_kb_item("Host/EulerOS/uvp_version");
if (uvp != "3.0.6.0") audit(AUDIT_OS_NOT, "EulerOS Virtualization 3.0.6.0");
if (!get_kb_item("Host/EulerOS/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$" && "aarch64" >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "EulerOS", cpu);
if ("aarch64" >!< cpu) audit(AUDIT_ARCH_NOT, "aarch64", cpu);
flag = 0;
pkgs = ["kernel-4.19.36-vhulk1907.1.0.h839.eulerosv2r8",
"kernel-devel-4.19.36-vhulk1907.1.0.h839.eulerosv2r8",
"kernel-headers-4.19.36-vhulk1907.1.0.h839.eulerosv2r8",
"kernel-tools-4.19.36-vhulk1907.1.0.h839.eulerosv2r8",
"kernel-tools-libs-4.19.36-vhulk1907.1.0.h839.eulerosv2r8",
"kernel-tools-libs-devel-4.19.36-vhulk1907.1.0.h839.eulerosv2r8",
"perf-4.19.36-vhulk1907.1.0.h839.eulerosv2r8",
"python-perf-4.19.36-vhulk1907.1.0.h839.eulerosv2r8",
"python3-perf-4.19.36-vhulk1907.1.0.h839.eulerosv2r8"];
foreach (pkg in pkgs)
if (rpm_check(release:"EulerOS-2.0", reference:pkg)) flag++;
if (flag)
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
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, "kernel");
}
Vendor | Product | Version | CPE |
---|---|---|---|
huawei | euleros | kernel | p-cpe:/a:huawei:euleros:kernel |
huawei | euleros | python3-perf | p-cpe:/a:huawei:euleros:python3-perf |
huawei | euleros | uvp | cpe:/o:huawei:euleros:uvp:3.0.6.0 |
huawei | euleros | kernel-devel | p-cpe:/a:huawei:euleros:kernel-devel |
huawei | euleros | kernel-headers | p-cpe:/a:huawei:euleros:kernel-headers |
huawei | euleros | kernel-tools | p-cpe:/a:huawei:euleros:kernel-tools |
huawei | euleros | kernel-tools-libs | p-cpe:/a:huawei:euleros:kernel-tools-libs |
huawei | euleros | kernel-tools-libs-devel | p-cpe:/a:huawei:euleros:kernel-tools-libs-devel |
huawei | euleros | perf | p-cpe:/a:huawei:euleros:perf |
huawei | euleros | python-perf | p-cpe:/a:huawei:euleros:python-perf |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-0404
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14385
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14390
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16166
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-24394
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25212
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25284
www.nessus.org/u?82243a9c
4.9 Medium
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:N/I:N/A:C
7.1 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
0.002 Low
EPSS
Percentile
57.2%