CVE-2021-3426

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Summary

CVECVE-2021-3426
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-20 13:15:00 UTC
Updated2023-11-07 03:38:00 UTC
DescriptionThere's a flaw in Python 3's pydoc. A local or adjacent attacker who discovers or is able to convince another local or adjacent user to start a pydoc server could access the server and use it to disclose sensitive information belonging to the other user that they would not normally be able to access. The highest risk of this flaw is to data confidentiality. This flaw affects Python versions before 3.8.9, Python versions before 3.9.3 and Python versions before 3.10.0a7.

Risk And Classification

Problem Types: CWE-22

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 9.0 All All All
Operating System Fedoraproject Fedora 32 All All All
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Application Netapp Cloud Backup - All All All
Application Netapp Ontap Select Deploy Administration Utility - All All All
Application Netapp Snapcenter - All All All
Application Oracle Communications Cloud Native Core Binding Support Function 1.10.0 All All All
Application Oracle Zfs Storage Appliance Kit 8.8 All All All
Application Python Python All All All All
Application Python Python 3.10.0 alpha1 All All
Application Python Python 3.10.0 alpha2 All All
Application Python Python 3.10.0 alpha3 All All
Application Python Python 3.10.0 alpha4 All All
Application Python Python 3.10.0 alpha5 All All
Application Python Python 3.10.0 alpha6 All All
Operating System Redhat Enterprise Linux 8.0 All All All
Application Redhat Software Collections - All All All

References

ReferenceSourceLinkTags
[SECURITY] [DLA 2619-1] python3.5 security update MLIST lists.debian.org
[SECURITY] Fedora 33 Update: python3-docs-3.9.4-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 34 Update: python3.8-3.8.9-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 34 Update: python3.8-3.8.9-1.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 33 Update: python3.8-3.8.9-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 32 Update: python39-3.9.4-1.fc32 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] [DLA 3477-1] python3.7 security update MLIST lists.debian.org
CVE-2021-3426 Python Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
1935913 – (CVE-2021-3426) CVE-2021-3426 python: information disclosure via pydoc MISC bugzilla.redhat.com
[SECURITY] Fedora 32 Update: python3-3.8.9-1.fc32 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 34 Update: python3.9-3.9.4-1.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 34 Update: python3.9-3.9.4-1.fc34 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 32 Update: mingw-python3-3.8.9-1.fc32 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
Oracle Critical Patch Update Advisory - October 2021 MISC www.oracle.com
Oracle Critical Patch Update Advisory - January 2022 MISC www.oracle.com
[SECURITY] Fedora 32 Update: mingw-python3-3.8.9-1.fc32 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 33 Update: python3-docs-3.9.4-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
Python: Multiple vulnerabilities (GLSA 202104-04) — Gentoo security GENTOO security.gentoo.org
[SECURITY] Fedora 33 Update: python3.8-3.8.9-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 32 Update: python39-3.9.4-1.fc32 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 32 Update: python3-3.8.9-1.fc32 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 159466 Oracle Enterprise Linux Security Update for python39:3.9 and python39-devel:3.9 (ELSA-2021-4160)
  • 159467 Oracle Enterprise Linux Security Update for python38:3.8 and python38-devel:3.8 (ELSA-2021-4162)
  • 159507 Oracle Enterprise Linux Security Update for python3 (ELSA-2021-4399)
  • 159563 Oracle Enterprise Linux Security Update for python3 (ELSA-2021-9562)
  • 174989 SUSE Enterprise Linux Security Update for python36 (SUSE-SU-2021:1490-1)
  • 174992 SUSE Enterprise Linux Security Update for python3 (SUSE-SU-2021:1557-1)
  • 178536 Debian Security Update for python3.5 (DLA 2619-1)
  • 180426 Debian Security Update for pypy3 (CVE-2021-3426)
  • 198714 Ubuntu Security Notification for Python Vulnerabilities (USN-5342-1)
  • 239580 Red Hat Update for rh-python38 (RHSA-2021:3254)
  • 239820 Red Hat Update for python3 (RHSA-2021:4399)
  • 239841 Red Hat Update for python39:3.9 and python39-devel:3.9 (RHSA-2021:4160)
  • 239845 Red Hat Update for python38:3.8 and python38-devel:3.8 (RHSA-2021:4162)
  • 281328 Fedora Security Update for mingw (FEDORA-2021-1769a23935)
  • 281354 Fedora Security Update for python39 (FEDORA-2021-a311bf10d4)
  • 281358 Fedora Security Update for python3 (FEDORA-2021-b6b6093b3a)
  • 281359 Fedora Security Update for python3.8 (FEDORA-2021-a26257ccf5)
  • 281360 Fedora Security Update for python3.8 (FEDORA-2021-2ab6f060d9)
  • 281361 Fedora Security Update for python3 (FEDORA-2021-0a8f3ffbc0)
  • 281362 Fedora Security Update for python3 (FEDORA-2021-067c9deff1)
  • 296059 Oracle Solaris 11.4 Support Repository Update (SRU) 36.0.1.101.2 Missing (CPUJUL2021)
  • 352278 Amazon Linux Security Update for python35: ALAS-2021-1498
  • 352305 Amazon Linux Security Advisory for python36: ALAS-2021-1500
  • 352365 Amazon Linux Security Advisory for python34: ALAS-2021-1504
  • 352371 Amazon Linux Security Advisory for python3: ALAS2-2021-1640
  • 502020 Alpine Linux Security Update for python3
  • 504346 Alpine Linux Security Update for python3
  • 6000019 Debian Security Update for python3.7 (DLA 3477-1)
  • 670829 EulerOS Security Update for python3 (EulerOS-SA-2021-2718)
  • 670940 EulerOS Security Update for python3 (EulerOS-SA-2021-2693)
  • 671010 EulerOS Security Update for python3 (EulerOS-SA-2021-2640)
  • 690176 Free Berkeley Software Distribution (FreeBSD) Security Update for python (f671c282-95ef-11eb-9c34-080027f515ea)
  • 710014 Gentoo Linux Python Multiple Vulnerabilities (GLSA 202104-04)
  • 751261 SUSE Enterprise Linux Security Update for python36 (SUSE-SU-2021:3486-1)
  • 751494 OpenSUSE Security Update for python3 (openSUSE-SU-2021:4104-1)
  • 751548 SUSE Enterprise Linux Security Update for python3 (SUSE-SU-2021:4015-2)
  • 940028 AlmaLinux Security Update for python3 (ALSA-2021:4399)
  • 940526 AlmaLinux Security Update for python38:3.8 and python38-devel:3.8 (ALSA-2021:4162)
  • 940559 AlmaLinux Security Update for python39:3.9 and python39-devel:3.9 (ALSA-2021:4160)
  • 960239 Rocky Linux Security Update for python39:3.9 and python39-devel:3.9 (RLSA-2021:4160)
  • 960342 Rocky Linux Security Update for python38:3.8 and python38-devel:3.8 (RLSA-2021:4162)
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