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RHEL 9 : python3.9 (RHSA-2023:0953)

🗓️ 28 Feb 2023 00:00:00Reported by TenableType 
nessus
 nessus🔗 www.tenable.com👁 25 Views

The remote Redhat Enterprise Linux 9 host has a vulnerability in python3.9 (RHSA-2023:0953) due to an unnecessary quadratic algorithm, leading to a CPU denial of service when processing certain inputs to the IDNA decoder

Related
Refs
Code
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Vulnerabilities in Certifi, Setuptools and Python may affect IBM Spectrum Protect Plus Microsoft File Systems Backup and Restore (CVE-2022-23491, CVE-2022-40897, CVE-2022-45061)
1 Feb 202310:43
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities in Python may affect the IBM Storage Scale System
12 Dec 202312:03
–ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar SIEM includes components with known vulnerabilities
6 Jul 202318:48
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Discovery Cartridge for IBM Cloud Pak for Data affected by vulnerability in Python
28 Jun 202320:54
–ibm
IBM Security Bulletins		Security Bulletin: IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data is vulnerable to a denial of service in Python ( CVE-2022-45061)
3 May 202314:10
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Security Vulnerabilities have been fixed in IBM Security Verify Access
11 May 202316:18
–ibm
IBM Security Bulletins		Security Bulletin: IBM Cloud Pak for Data is vulnerable to denial of service due to python ( CVE-2022-45061 )
8 Aug 202415:05
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in Python, OpenSSH, Golang Go, Minio and Redis may affect IBM Spectrum Protect Plus Container backup and restore for Kubernetes and OpenShift
26 Mar 202503:50
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerabilities in snappy-java, Python, postgresql, Golang might affect IBM Spectrum Copy Data Management
15 Dec 202313:03
–ibm
IBM Security Bulletins		Security Bulletin: IBM Cognos Analytics has addressed multiple vulnerabilities
5 May 202316:01
–ibm
Rows per page
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    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):

    * Python: CPU denial of service via inefficient IDNA decoder (CVE-2022-45061)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and
    other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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      'content/dist/rhel9/9/ppc64le/baseos/os',
      'content/dist/rhel9/9/ppc64le/baseos/source/SRPMS',
      'content/dist/rhel9/9/ppc64le/codeready-builder/debug',
      'content/dist/rhel9/9/ppc64le/codeready-builder/os',
      'content/dist/rhel9/9/ppc64le/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9/s390x/appstream/debug',
      'content/dist/rhel9/9/s390x/appstream/os',
      'content/dist/rhel9/9/s390x/appstream/source/SRPMS',
      'content/dist/rhel9/9/s390x/baseos/debug',
      'content/dist/rhel9/9/s390x/baseos/os',
      'content/dist/rhel9/9/s390x/baseos/source/SRPMS',
      'content/dist/rhel9/9/s390x/codeready-builder/debug',
      'content/dist/rhel9/9/s390x/codeready-builder/os',
      'content/dist/rhel9/9/s390x/codeready-builder/source/SRPMS',
      'content/dist/rhel9/9/x86_64/appstream/debug',
      'content/dist/rhel9/9/x86_64/appstream/os',
      'content/dist/rhel9/9/x86_64/appstream/source/SRPMS',
      'content/dist/rhel9/9/x86_64/baseos/debug',
      'content/dist/rhel9/9/x86_64/baseos/os',
      'content/dist/rhel9/9/x86_64/baseos/source/SRPMS',
      'content/dist/rhel9/9/x86_64/codeready-builder/debug',
      'content/dist/rhel9/9/x86_64/codeready-builder/os',
      'content/dist/rhel9/9/x86_64/codeready-builder/source/SRPMS'
    ],
    'pkgs': [
      {'reference':'python-unversioned-command-3.9.14-1.el9_1.2', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-3.9.14-1.el9_1.2', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-debug-3.9.14-1.el9_1.2', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-devel-3.9.14-1.el9_1.2', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-idle-3.9.14-1.el9_1.2', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-libs-3.9.14-1.el9_1.2', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-test-3.9.14-1.el9_1.2', 'release':'9', 'rpm_spec_vers_cmp':TRUE},
      {'reference':'python3-tkinter-3.9.14-1.el9_1.2', 'release':'9', '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 extra = NULL;
  if (isnull(applicable_repo_urls) || !applicable_repo_urls) extra = rpm_report_get() + redhat_report_repo_caveat();
  else extra = rpm_report_get();
  security_report_v4(
      port       : 0,
      severity   : SECURITY_HOLE,
      extra      : extra
  );
  exit(0);
}
else
{
  var tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'python-unversioned-command / python3 / python3-debug / etc');
}

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07 Nov 2024 00:00Current
7High risk
Vulners AI Score7
CVSS 3.17.5
EPSS0.02453
SSVC
redhat enterprise linux 9python 3.9vulnerabilitycpu denial of serviceremote servers
25