CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
Low
EPSS
Percentile
77.3%
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:4421 advisory.
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.
Security Fix(es):
* python39:3.9/python3x-setuptools: Regular Expression Denial of Service (ReDoS) in package_index.py (CVE-2022-40897)
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
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 Red Hat Security Advisory RHSA-2024:4421. The text
# itself is copyright (C) Red Hat, Inc.
##
include('compat.inc');
if (description)
{
script_id(202079);
script_version("1.1");
script_set_attribute(attribute:"plugin_modification_date", value:"2024/07/10");
script_cve_id("CVE-2022-40897");
script_xref(name:"RHSA", value:"2024:4421");
script_name(english:"RHEL 8 : python39:3.9 and python39-devel:3.9 (RHSA-2024:4421)");
script_set_attribute(attribute:"synopsis", value:
"The remote Red Hat host is missing a security update for python39:3.9 / python39-devel:3.9.");
script_set_attribute(attribute:"description", value:
"The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in
the RHSA-2024:4421 advisory.
Python is an interpreted, interactive, object-oriented programming language,
which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python
supports interfaces to many system calls and
libraries, as well as to various windowing systems.
Security Fix(es):
* python39:3.9/python3x-setuptools: Regular Expression Denial of Service (ReDoS) in package_index.py
(CVE-2022-40897)
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
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/security/updates/classification/#moderate");
script_set_attribute(attribute:"see_also", value:"https://bugzilla.redhat.com/show_bug.cgi?id=2158559");
# https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_4421.json
script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?bfefd776");
script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/errata/RHSA-2024:4421");
script_set_attribute(attribute:"solution", value:
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script_set_cvss_temporal_vector("CVSS2#E:POC/RL:OF/RC:C");
script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/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-2022-40897");
script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
script_set_attribute(attribute:"exploit_available", value:"true");
script_cwe_id(185);
script_set_attribute(attribute:"vendor_severity", value:"Moderate");
script_set_attribute(attribute:"vuln_publication_date", value:"2022/12/13");
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script_set_attribute(attribute:"plugin_publication_date", value:"2024/07/10");
script_set_attribute(attribute:"plugin_type", value:"local");
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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:Cython");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:PyYAML");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:mod_wsgi");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:numpy");
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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:pytest");
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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-more-itertools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-packaging");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-pluggy");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-ply");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-psutil");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python-psycopg2");
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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-Cython");
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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-attrs");
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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-idle");
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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-lxml");
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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-numpy-f2py");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-packaging");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-pip");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-pip-wheel");
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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-pycparser");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-pyparsing");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-pysocks");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-pytest");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-pyyaml");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-requests");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-rpm-macros");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-scipy");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-setuptools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-setuptools-wheel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-six");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-test");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-tkinter");
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script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-urllib3");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-wcwidth");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-wheel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python39-wheel-wheel");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3x-pip");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3x-pyparsing");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3x-setuptools");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:python3x-six");
script_set_attribute(attribute:"cpe", value:"p-cpe:/a:redhat:enterprise_linux:scipy");
script_set_attribute(attribute:"generated_plugin", value:"current");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Red Hat Local Security Checks");
script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");
script_dependencies("ssh_get_info.nasl", "redhat_repos.nasl");
script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list", "Host/cpu");
exit(0);
}
include('rpm.inc');
include('rhel.inc');
if (!get_kb_item('Host/local_checks_enabled')) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/RedHat/release');
if (isnull(os_release) || 'Red Hat' >!< os_release) audit(AUDIT_OS_NOT, 'Red Hat');
var os_ver = pregmatch(pattern: "Red Hat Enterprise Linux.*release ([0-9]+(\.[0-9]+)?)", string:os_release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, 'Red Hat');
os_ver = os_ver[1];
if (!rhel_check_release(operator: 'eq', os_version: os_ver, rhel_version: '8.8')) audit(AUDIT_OS_NOT, 'Red Hat 8.8', 'Red Hat ' + os_ver);
if (!get_kb_item('Host/RedHat/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$" && 's390' >!< cpu && 'aarch64' >!< cpu && 'ppc' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Red Hat', cpu);
var constraints = [
{
'repo_relative_urls': [
'content/e4s/rhel8/8.8/ppc64le/appstream/debug',
'content/e4s/rhel8/8.8/ppc64le/appstream/os',
'content/e4s/rhel8/8.8/ppc64le/appstream/source/SRPMS',
'content/e4s/rhel8/8.8/x86_64/appstream/debug',
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'content/e4s/rhel8/8.8/x86_64/appstream/source/SRPMS',
'content/eus/rhel8/8.8/aarch64/appstream/debug',
'content/eus/rhel8/8.8/aarch64/appstream/os',
'content/eus/rhel8/8.8/aarch64/appstream/source/SRPMS',
'content/eus/rhel8/8.8/ppc64le/appstream/debug',
'content/eus/rhel8/8.8/ppc64le/appstream/os',
'content/eus/rhel8/8.8/ppc64le/appstream/source/SRPMS',
'content/eus/rhel8/8.8/s390x/appstream/debug',
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'content/eus/rhel8/8.8/x86_64/appstream/debug',
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'content/eus/rhel8/8.8/x86_64/appstream/source/SRPMS',
'content/tus/rhel8/8.8/x86_64/appstream/debug',
'content/tus/rhel8/8.8/x86_64/appstream/os',
'content/tus/rhel8/8.8/x86_64/appstream/source/SRPMS'
],
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{'reference':'python39-toml-0.10.1-5.module+el8.4.0+9822+20bf1249', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-urllib3-1.25.10-4.module+el8.5.0+11712+ea2d2be1', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-wheel-0.35.1-4.module+el8.5.0+12204+54860423', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'},
{'reference':'python39-wheel-wheel-0.35.1-4.module+el8.5.0+12204+54860423', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE, 'epoch':'1'}
]
},
{
'repo_relative_urls': [
'content/eus/rhel8/8.8/aarch64/codeready-builder/debug',
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'pkgs': [
{'reference':'python39-attrs-20.3.0-2.module+el8.4.0+9822+20bf1249', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-Cython-0.29.21-5.module+el8.4.0+9822+20bf1249', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-debug-3.9.16-1.module+el8.8.0+20025+f2100191.2', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-iniconfig-1.1.1-2.module+el8.4.0+9822+20bf1249', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-more-itertools-8.5.0-2.module+el8.4.0+9822+20bf1249', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-packaging-20.4-4.module+el8.4.0+9822+20bf1249', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-pluggy-0.13.1-3.module+el8.4.0+9822+20bf1249', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-py-1.10.0-1.module+el8.4.0+9822+20bf1249', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-pybind11-2.7.1-1.module+el8.6.0+12838+640e6226', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-pybind11-devel-2.7.1-1.module+el8.6.0+12838+640e6226', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-pyparsing-2.4.7-5.module+el8.4.0+9822+20bf1249', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-pytest-6.0.2-2.module+el8.4.0+9822+20bf1249', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE},
{'reference':'python39-wcwidth-0.2.5-3.module+el8.4.0+9822+20bf1249', 'sp':'8', 'release':'8', 'rpm_spec_vers_cmp':TRUE}
]
}
];
var applicable_repo_urls = rhel_determine_applicable_repository_urls(constraints:constraints);
if(applicable_repo_urls == RHEL_REPOS_NO_OVERLAP_MESSAGE) exit(0, RHEL_REPO_NOT_ENABLED);
var flag = 0;
foreach var constraint_array ( constraints ) {
var repo_relative_urls = NULL;
if (!empty_or_null(constraint_array['repo_relative_urls'])) repo_relative_urls = constraint_array['repo_relative_urls'];
foreach var pkg ( constraint_array['pkgs'] ) {
var reference = NULL;
var _release = NULL;
var sp = NULL;
var _cpu = NULL;
var el_string = NULL;
var rpm_spec_vers_cmp = NULL;
var epoch = NULL;
var allowmaj = NULL;
var exists_check = NULL;
var cves = NULL;
if (!empty_or_null(pkg['reference'])) reference = pkg['reference'];
if (!empty_or_null(pkg['release'])) _release = 'RHEL' + pkg['release'];
if (!empty_or_null(pkg['sp'])) sp = pkg['sp'];
if (!empty_or_null(pkg['cpu'])) _cpu = pkg['cpu'];
if (!empty_or_null(pkg['el_string'])) el_string = pkg['el_string'];
if (!empty_or_null(pkg['rpm_spec_vers_cmp'])) rpm_spec_vers_cmp = pkg['rpm_spec_vers_cmp'];
if (!empty_or_null(pkg['epoch'])) epoch = pkg['epoch'];
if (!empty_or_null(pkg['allowmaj'])) allowmaj = pkg['allowmaj'];
if (!empty_or_null(pkg['exists_check'])) exists_check = pkg['exists_check'];
if (!empty_or_null(pkg['cves'])) cves = pkg['cves'];
if (reference &&
_release &&
rhel_decide_repo_relative_url_check(required_repo_url_list:repo_relative_urls) &&
(applicable_repo_urls || (!exists_check || rpm_exists(release:_release, rpm:exists_check))) &&
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, cves:cves)) flag++;
}
}
if (flag)
{
var subscription_caveat = '\n' +
'NOTE: This vulnerability check contains fixes that apply to\n' +
'packages only available in the Red Hat Enterprise Linux\n' +
'Extended Update Support repository.\n' +
'Access to this repository requires a paid RHEL subscription.\n';
var extra = NULL;
if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = subscription_caveat + rpm_report_get() + redhat_report_repo_caveat();
else extra = subscription_caveat + rpm_report_get();
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : extra
);
exit(0);
}
else
{
var tested = pkg_tests_get();
if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'python39 / python39-Cython / python39-PyMySQL / python39-attrs / etc');
}
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
Low
EPSS
Percentile
77.3%