Lucene search

K
nessusThis script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.SL_20200407_KERNEL_ON_SL7_X.NASL
HistoryApr 21, 2020 - 12:00 a.m.

Scientific Linux Security Update : kernel on SL7.x x86_64 (20200407)

2020-04-2100:00:00
This script is Copyright (C) 2020-2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
20

7.9 High

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:A/AC:M/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.3 High

AI Score

Confidence

Low

0.012 Low

EPSS

Percentile

84.9%

  • kernel: out of bound read in DVB connexant driver. * kernel: Missing permissions check for request_key() destination allows local attackers to add keys to keyring without Write permission * kernel: denial of service via ioctl call in network tun handling * kernel: usb: missing size check in the __usb_get_extra_descriptor() * kernel:
    perf_event_open() and execve() race in setuid programs allows a data leak * kernel: brcmfmac frame validation bypass * kernel: NULL pointer dereference in hci_uart_set_flow_control * kernel: sensitive information disclosure from kernel stack memory via HIDPCONNADD command * kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware leads to denial of service * kernel: use-after-free in arch/x86/lib/insn-eval.c * kernel: denial of service in arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c via sigreturn() system call * kernel: integer overflow and OOB read in drivers/block/floppy.c * kernel: memory leak in register_queue_kobjects() in net/core/net-sysfs.c leads to denial of service * kernel: buffer-overflow hardening in WiFi beacon validation code. * kernel: (powerpc) incomplete Spectre-RSB mitigation leads to information exposure * kernel: oob memory read in hso_probe in drivers/net/usb/hso.c * Kernel: net: weak IP ID generation leads to remote device tracking * Kernel: net: using kernel space address bits to derive IP ID may potentially break KASLR * kernel: ASLR bypass for setuid binaries due to late install_exec_creds()
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text is (C) Scientific Linux.
#

include('compat.inc');

if (description)
{
  script_id(135813);
  script_version("1.4");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/03/15");

  script_cve_id(
    "CVE-2015-9289",
    "CVE-2017-17807",
    "CVE-2018-19985",
    "CVE-2018-20169",
    "CVE-2018-7191",
    "CVE-2019-10207",
    "CVE-2019-10638",
    "CVE-2019-10639",
    "CVE-2019-11190",
    "CVE-2019-11884",
    "CVE-2019-12382",
    "CVE-2019-13233",
    "CVE-2019-13648",
    "CVE-2019-14283",
    "CVE-2019-15916",
    "CVE-2019-16746",
    "CVE-2019-18660",
    "CVE-2019-3901",
    "CVE-2019-9503"
  );

  script_name(english:"Scientific Linux Security Update : kernel on SL7.x x86_64 (20200407)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Scientific Linux host is missing one or more security
updates.");
  script_set_attribute(attribute:"description", value:
"* kernel: out of bound read in DVB connexant driver. * kernel: Missing
permissions check for request_key() destination allows local attackers
to add keys to keyring without Write permission * kernel: denial of
service via ioctl call in network tun handling * kernel: usb: missing
size check in the __usb_get_extra_descriptor() * kernel:
perf_event_open() and execve() race in setuid programs allows a data
leak * kernel: brcmfmac frame validation bypass * kernel: NULL pointer
dereference in hci_uart_set_flow_control * kernel: sensitive
information disclosure from kernel stack memory via HIDPCONNADD
command * kernel: unchecked kstrdup of fwstr in drm_load_edid_firmware
leads to denial of service * kernel: use-after-free in
arch/x86/lib/insn-eval.c * kernel: denial of service in
arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c
via sigreturn() system call * kernel: integer overflow and OOB read in
drivers/block/floppy.c * kernel: memory leak in
register_queue_kobjects() in net/core/net-sysfs.c leads to denial of
service * kernel: buffer-overflow hardening in WiFi beacon validation
code. * kernel: (powerpc) incomplete Spectre-RSB mitigation leads to
information exposure * kernel: oob memory read in hso_probe in
drivers/net/usb/hso.c * Kernel: net: weak IP ID generation leads to
remote device tracking * Kernel: net: using kernel space address bits
to derive IP ID may potentially break KASLR * kernel: ASLR bypass for
setuid binaries due to late install_exec_creds()");
  # https://listserv.fnal.gov/scripts/wa.exe?A2=ind2004&L=SCIENTIFIC-LINUX-ERRATA&P=7067
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?a4f1bf88");
  script_set_attribute(attribute:"solution", value:
"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:A/AC:M/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:N/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-2019-9503");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2019-16746");

  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:"2017/12/20");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/04/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/04/21");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:bpftool");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:bpftool-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-abi-whitelists");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-debug");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-debug-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-debug-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo-common-x86_64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-doc");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-headers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-tools-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:kernel-tools-libs-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:perf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:perf-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:python-perf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fermilab:scientific_linux:python-perf-debuginfo");
  script_set_attribute(attribute:"cpe", value:"x-cpe:/o:fermilab:scientific_linux");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Scientific Linux Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2020-2024 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/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("rpm.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Scientific Linux " >!< release) audit(AUDIT_HOST_NOT, "running Scientific Linux");
os_ver = pregmatch(pattern: "Scientific Linux.*release ([0-9]+(\.[0-9]+)?)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Scientific Linux");
os_ver = os_ver[1];
if (! preg(pattern:"^7([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Scientific Linux 7.x", "Scientific Linux " + os_ver);
if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if (cpu >!< "x86_64" && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Scientific Linux", cpu);


flag = 0;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"bpftool-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"bpftool-debuginfo-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", reference:"kernel-abi-whitelists-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-abi-whitelists-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-debug-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-debug-debuginfo-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-debug-devel-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-debuginfo-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-debuginfo-common-x86_64-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-devel-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", reference:"kernel-doc-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-doc-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-headers-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-tools-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-tools-debuginfo-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-tools-libs-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"kernel-tools-libs-devel-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"perf-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"perf-debuginfo-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"python-perf-3.10.0-1127.el7")) flag++;
if (rpm_check(release:"SL7", cpu:"x86_64", reference:"python-perf-debuginfo-3.10.0-1127.el7")) 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 / bpftool-debuginfo / kernel / kernel-abi-whitelists / etc");
}
VendorProductVersionCPE
fermilabscientific_linuxbpftoolp-cpe:/a:fermilab:scientific_linux:bpftool
fermilabscientific_linuxbpftool-debuginfop-cpe:/a:fermilab:scientific_linux:bpftool-debuginfo
fermilabscientific_linuxkernelp-cpe:/a:fermilab:scientific_linux:kernel
fermilabscientific_linuxkernel-abi-whitelistsp-cpe:/a:fermilab:scientific_linux:kernel-abi-whitelists
fermilabscientific_linuxkernel-debugp-cpe:/a:fermilab:scientific_linux:kernel-debug
fermilabscientific_linuxkernel-debug-debuginfop-cpe:/a:fermilab:scientific_linux:kernel-debug-debuginfo
fermilabscientific_linuxkernel-debug-develp-cpe:/a:fermilab:scientific_linux:kernel-debug-devel
fermilabscientific_linuxkernel-debuginfop-cpe:/a:fermilab:scientific_linux:kernel-debuginfo
fermilabscientific_linuxkernel-debuginfo-common-x86_64p-cpe:/a:fermilab:scientific_linux:kernel-debuginfo-common-x86_64
fermilabscientific_linuxkernel-develp-cpe:/a:fermilab:scientific_linux:kernel-devel
Rows per page:
1-10 of 211

References

7.9 High

CVSS2

Attack Vector

ADJACENT_NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:A/AC:M/Au:N/C:C/I:C/A:C

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

7.3 High

AI Score

Confidence

Low

0.012 Low

EPSS

Percentile

84.9%