| code | #
# (C) Tenable Network Security, Inc.
#
include("compat.inc");
if (description)
{
script_id(136870);
script_version("1.5");
script_set_attribute(attribute:"plugin_modification_date", value:"2020/06/10");
script_cve_id(
"CVE-2019-19377",
"CVE-2019-19462",
"CVE-2020-10711",
"CVE-2020-10720",
"CVE-2020-10942",
"CVE-2020-11884",
"CVE-2020-12114",
"CVE-2020-12464",
"CVE-2020-12465",
"CVE-2020-12652",
"CVE-2020-12653",
"CVE-2020-12654",
"CVE-2020-12655",
"CVE-2020-12656",
"CVE-2020-12657",
"CVE-2020-12659",
"CVE-2020-12769",
"CVE-2020-12770",
"CVE-2020-12771",
"CVE-2020-12826"
);
script_name(english:"EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1592)");
script_summary(english:"Checks the rpm output for the updated packages.");
script_set_attribute(attribute:"synopsis", value:
"The remote EulerOS host is missing multiple security updates.");
script_set_attribute(attribute:"description", value:
"According to the versions of the kernel packages installed, the
EulerOS installation on the remote host is affected by the following
vulnerabilities :
- A flaw was found in the Linux kernel's implementation
of GRO. This flaw allows an attacker with local access
to crash the system.(CVE-2020-10720)
- A NULL pointer dereference flaw was found in the Linux
kernel's SELinux subsystem. This flaw occurs while
importing the Commercial IP Security Option (CIPSO)
protocol's category bitmap into the SELinux extensible
bitmap via the' ebitmap_netlbl_import' routine. While
processing the CIPSO restricted bitmap tag in the
'cipso_v4_parsetag_rbm' routine, it sets the security
attribute to indicate that the category bitmap is
present, even if it has not been allocated. This issue
leads to a NULL pointer dereference issue while
importing the same category bitmap into SELinux. This
flaw allows a remote network user to crash the system
kernel, resulting in a denial of
service.(CVE-2020-10711)
- A signal access-control issue was discovered in the
Linux kernel before 5.6.5, aka CID-7395ea4e65c2.
Because exec_id in include/linux/sched.h is only 32
bits, an integer overflow can interfere with a
do_notify_parent protection mechanism. A child process
can send an arbitrary signal to a parent process in a
different security domain. Exploitation limitations
include the amount of elapsed time before an integer
overflow occurs, and the lack of scenarios where
signals to a parent process present a substantial
operational threat.(CVE-2020-12826)
- An issue was discovered in the Linux kernel before
5.4.17. drivers/spi/spi-dw.c allows attackers to cause
a panic via concurrent calls to dw_spi_irq and
dw_spi_transfer_one, aka
CID-19b61392c5a8.(CVE-2020-12769)
- An issue was discovered in the Linux kernel through
5.6.11. sg_write lacks an sg_remove_request call in a
certain failure case, aka
CID-83c6f2390040.(CVE-2020-12770)
- An issue was discovered in the Linux kernel through
5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c
has a deadlock if a coalescing operation
fails.(CVE-2020-12771)
- The __mptctl_ioctl function in
drivers/message/fusion/mptctl.c in the Linux kernel
before 5.4.14 allows local users to hold an incorrect
lock during the ioctl operation and trigger a race
condition, i.e., a 'double fetch' vulnerability, aka
CID-28d76df18f0a. NOTE: the vendor states 'The security
impact of this bug is not as bad as it could have been
because these operations are all privileged and root
already has enormous destructive
power.'(CVE-2020-12652)
- An issue was discovered in xfs_agf_verify in
fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through
5.6.10. Attackers may trigger a sync of excessive
duration via an XFS v5 image with crafted metadata, aka
CID-d0c7feaf8767.(CVE-2020-12655)
- A pivot_root race condition in fs amespace.c in the
Linux kernel 4.4.x before 4.4.221, 4.9.x before
4.9.221, 4.14.x before 4.14.178, 4.19.x before
4.19.119, and 5.x before 5.3 allows local users to
cause a denial of service (panic) by corrupting a
mountpoint reference counter.(CVE-2020-12114)
- An issue was discovered in the Linux kernel before
5.6.5. There is a use-after-free in block/bfq-iosched.c
related to bfq_idle_slice_timer_body.(CVE-2020-12657)
- usb_sg_cancel in drivers/usb/core/message.c in the
Linux kernel before 5.6.8 has a use-after-free because
a transfer occurs without a reference, aka
CID-056ad39ee925.(CVE-2020-12464)
- An issue was found in Linux kernel before 5.5.4. The
mwifiex_cmd_append_vsie_tlv() function in drivers
et/wireless/marvell/mwifiex/scan.c allows local users
to gain privileges or cause a denial of service because
of an incorrect memcpy and buffer overflow, aka
CID-b70261a288ea.(CVE-2020-12653)
- gss_mech_free in net/sunrpc/auth_gss/gss_mech_switch.c
in the rpcsec_gss_krb5 implementation in the Linux
kernel through 5.6.10 lacks certain domain_release
calls, leading to a memory leak.(CVE-2020-12656)
- An issue was discovered in the Linux kernel before
5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an
out-of-bounds write (by a user with the CAP_NET_ADMIN
capability) because of a lack of headroom
validation.(CVE-2020-12659)
- An array overflow was discovered in mt76_add_fragment
in drivers et/wireless/mediatek/mt76/dma.c in the Linux
kernel before 5.5.10, aka CID-b102f0c522cf. An
oversized packet with too many rx fragments can corrupt
memory of adjacent pages.(CVE-2020-12465)
- An issue was found in Linux kernel before 5.5.4.
mwifiex_ret_wmm_get_status() in drivers
et/wireless/marvell/mwifiex/wmm.c allows a remote AP to
trigger a heap-based buffer overflow because of an
incorrect memcpy, aka CID-3a9b153c5591.(CVE-2020-12654)
- In the Linux kernel through 5.6.7 on the s390 platform,
code execution may occur because of a race condition,
as demonstrated by code in enable_sacf_uaccess in
arch/s390/lib/uaccess.c that fails to protect against a
concurrent page table upgrade, aka CID-3f777e19d171. A
crash could also occur.(CVE-2020-11884)
- relay_open in kernel/relay.c in the Linux kernel
through 5.4.1 allows local users to cause a denial of
service (such as relay blockage) by triggering a NULL
alloc_percpu result.(CVE-2019-19462)
- In the Linux kernel 5.0.21, mounting a crafted btrfs
filesystem image, performing some operations, and
unmounting can lead to a use-after-free in
btrfs_queue_work in
fs/btrfs/async-thread.c.(CVE-2019-19377)
- In the Linux kernel before 5.5.8, get_raw_socket in
drivers/vhost et.c lacks validation of an sk_family
field, which might allow attackers to trigger kernel
stack corruption via crafted system
calls.(CVE-2020-10942)
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-2020-1592
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?966bca8a");
script_set_attribute(attribute:"solution", value:
"Update the affected kernel packages.");
script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C");
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:H/UI:N/S:U/C:H/I:H/A:H");
script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-12659");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"patch_publication_date", value:"2020/05/28");
script_set_attribute(attribute:"plugin_publication_date", value:"2020/05/26");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:huawei:euleros:bpftool");
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-source");
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: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:2.0");
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 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl");
script_require_keys("Host/local_checks_enabled", "Host/EulerOS/release", "Host/EulerOS/rpm-list", "Host/EulerOS/sp");
script_exclude_keys("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");
if (release !~ "^EulerOS release 2\.0(\D|$)") audit(AUDIT_OS_NOT, "EulerOS 2.0");
sp = get_kb_item("Host/EulerOS/sp");
if (isnull(sp) || sp !~ "^(8)$") audit(AUDIT_OS_NOT, "EulerOS 2.0 SP8");
uvp = get_kb_item("Host/EulerOS/uvp_version");
if (!empty_or_null(uvp)) audit(AUDIT_OS_NOT, "EulerOS 2.0 SP8", "EulerOS UVP " + uvp);
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 = ["bpftool-4.19.36-vhulk1907.1.0.h748.eulerosv2r8",
"kernel-4.19.36-vhulk1907.1.0.h748.eulerosv2r8",
"kernel-devel-4.19.36-vhulk1907.1.0.h748.eulerosv2r8",
"kernel-headers-4.19.36-vhulk1907.1.0.h748.eulerosv2r8",
"kernel-source-4.19.36-vhulk1907.1.0.h748.eulerosv2r8",
"kernel-tools-4.19.36-vhulk1907.1.0.h748.eulerosv2r8",
"kernel-tools-libs-4.19.36-vhulk1907.1.0.h748.eulerosv2r8",
"perf-4.19.36-vhulk1907.1.0.h748.eulerosv2r8",
"python-perf-4.19.36-vhulk1907.1.0.h748.eulerosv2r8",
"python3-perf-4.19.36-vhulk1907.1.0.h748.eulerosv2r8"];
foreach (pkg in pkgs)
if (rpm_check(release:"EulerOS-2.0", sp:"8", reference:pkg)) 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, "kernel");
}
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