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nessusThis script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.NEWSTART_CGSL_NS-SA-2022-0080_KERNEL.NASL
HistoryNov 15, 2022 - 12:00 a.m.

NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Vulnerability (NS-SA-2022-0080)

2022-11-1500:00:00
This script is Copyright (C) 2022 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
36

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%

The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has kernel packages installed that are affected by a vulnerability:

  • A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of service. (CVE-2020-25704)

Note that Nessus has not tested for this issue 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 ZTE advisory NS-SA-2022-0080. The text
# itself is copyright (C) ZTE, Inc.
##

include('compat.inc');

if (description)
{
  script_id(167485);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/11/15");

  script_cve_id("CVE-2020-25704");

  script_name(english:"NewStart CGSL CORE 5.04 / MAIN 5.04 : kernel Vulnerability (NS-SA-2022-0080)");

  script_set_attribute(attribute:"synopsis", value:
"The remote NewStart CGSL host is affected by a vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote NewStart CGSL host, running version CORE 5.04 / MAIN 5.04, has kernel packages installed that are affected by
a vulnerability:

  - A flaw memory leak in the Linux kernel performance monitoring subsystem was found in the way if using
    PERF_EVENT_IOC_SET_FILTER. A local user could use this flaw to starve the resources causing denial of
    service. (CVE-2020-25704)

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:"http://security.gd-linux.com/notice/NS-SA-2022-0080");
  script_set_attribute(attribute:"see_also", value:"http://security.gd-linux.com/info/CVE-2020-25704");
  script_set_attribute(attribute:"solution", value:
"Upgrade the vulnerable CGSL kernel packages. Note that updated packages may not be available yet. Please contact ZTE for
more information.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:N/C:N/I:N/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:L/UI:N/S:U/C:N/I:N/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-2020-25704");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/11/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2022/11/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2022/11/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-abi-whitelists");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-debug-core");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-debug-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-debug-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-debug-modules");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-debuginfo-common-x86_64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-headers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-modules");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-sign-keys");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-tools-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:kernel-tools-libs-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:perf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:perf-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:python-perf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_core:python-perf-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-abi-whitelists");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-debug");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-debug-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-debug-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-debuginfo-common-x86_64");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-headers");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-sign-keys");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-tools");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-tools-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-tools-libs");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:kernel-tools-libs-devel");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:perf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:perf-debuginfo");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:python-perf");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:zte:cgsl_main:python-perf-debuginfo");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:zte:cgsl_core:5");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:zte:cgsl_main:5");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"NewStart CGSL Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 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/ZTE-CGSL/release", "Host/ZTE-CGSL/rpm-list", "Host/cpu");

  exit(0);
}

include('rpm.inc');

if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);

var os_release = get_kb_item('Host/ZTE-CGSL/release');
if (isnull(os_release) || os_release !~ "^CGSL (MAIN|CORE)") audit(AUDIT_OS_NOT, 'NewStart Carrier Grade Server Linux');

if (os_release !~ "CGSL CORE 5.04" &&
    os_release !~ "CGSL MAIN 5.04")
  audit(AUDIT_OS_NOT, 'NewStart CGSL CORE 5.04 / NewStart CGSL MAIN 5.04');

if (!get_kb_item('Host/ZTE-CGSL/rpm-list')) audit(AUDIT_PACKAGE_LIST_MISSING);

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

var flag = 0;

var pkgs = {
  'CGSL CORE 5.04': [
    'kernel-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-abi-whitelists-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-core-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-debug-core-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-debug-debuginfo-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-debug-devel-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-debug-modules-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-debuginfo-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-devel-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-headers-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-modules-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-sign-keys-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-tools-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-tools-debuginfo-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-tools-libs-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'kernel-tools-libs-devel-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'perf-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'perf-debuginfo-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'python-perf-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite',
    'python-perf-debuginfo-3.10.0-693.21.1.el7.cgslv5_4.57.1048.g0e38301.lite'
  ],
  'CGSL MAIN 5.04': [
    'kernel-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-abi-whitelists-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-debug-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-debug-debuginfo-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-debug-devel-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-debuginfo-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-debuginfo-common-x86_64-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-devel-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-headers-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-sign-keys-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-tools-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-tools-debuginfo-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-tools-libs-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'kernel-tools-libs-devel-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'perf-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'perf-debuginfo-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'python-perf-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c',
    'python-perf-debuginfo-3.10.0-693.21.1.el7.cgslv5_4.55.1138.g2d3104c'
  ]
};
var pkg_list = pkgs[os_release];

foreach (pkg in pkg_list)
  if (rpm_check(release:'ZTE ' + os_release, reference:pkg)) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    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, 'kernel');
}
VendorProductVersionCPE
ztecgsl_corekernelp-cpe:/a:zte:cgsl_core:kernel
ztecgsl_corekernel-abi-whitelistsp-cpe:/a:zte:cgsl_core:kernel-abi-whitelists
ztecgsl_corekernel-corep-cpe:/a:zte:cgsl_core:kernel-core
ztecgsl_corekernel-debug-corep-cpe:/a:zte:cgsl_core:kernel-debug-core
ztecgsl_corekernel-debug-debuginfop-cpe:/a:zte:cgsl_core:kernel-debug-debuginfo
ztecgsl_corekernel-debug-develp-cpe:/a:zte:cgsl_core:kernel-debug-devel
ztecgsl_corekernel-debug-modulesp-cpe:/a:zte:cgsl_core:kernel-debug-modules
ztecgsl_corekernel-debuginfop-cpe:/a:zte:cgsl_core:kernel-debuginfo
ztecgsl_corekernel-debuginfo-common-x86_64p-cpe:/a:zte:cgsl_core:kernel-debuginfo-common-x86_64
ztecgsl_corekernel-develp-cpe:/a:zte:cgsl_core:kernel-devel
Rows per page:
1-10 of 411

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.0004 Low

EPSS

Percentile

5.1%