CVE-2021-29921

CRITICAL

9.8

Beschreibung

In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.

CVE Details

CVSS v3.1 Bewertung9.8

SchweregradCRITICAL

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

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht5/6/2021

Zuletzt geandert11/3/2025

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

oracle:communications_cloud_native_core_automated_test_suiteoracle:communications_cloud_native_core_binding_support_functionoracle:communications_cloud_native_core_network_slice_selection_functionoracle:graalvmoracle:zfs_storage_appliance_kitpython:python

Referenzen

https://bugs.python.org/issue36384(cve@mitre.org)

https://docs.python.org/3/library/ipaddress.html(cve@mitre.org)

https://github.com/python/cpython/blob/63298930fb531ba2bb4f23bc3b915dbf1e17e9e1/Misc/NEWS.d/3.8.0a4.rst(cve@mitre.org)

https://github.com/python/cpython/pull/12577(cve@mitre.org)

https://github.com/python/cpython/pull/25099(cve@mitre.org)

https://github.com/sickcodes(cve@mitre.org)

https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-014.md(cve@mitre.org)

https://python-security.readthedocs.io/vuln/ipaddress-ipv4-leading-zeros.html(cve@mitre.org)

https://security.gentoo.org/glsa/202305-02(cve@mitre.org)

https://security.netapp.com/advisory/ntap-20210622-0003/(cve@mitre.org)

https://sick.codes/sick-2021-014(cve@mitre.org)

https://www.oracle.com//security-alerts/cpujul2021.html(cve@mitre.org)

https://www.oracle.com/security-alerts/cpuapr2022.html(cve@mitre.org)

https://www.oracle.com/security-alerts/cpujan2022.html(cve@mitre.org)

https://www.oracle.com/security-alerts/cpujul2022.html(cve@mitre.org)

https://www.oracle.com/security-alerts/cpuoct2021.html(cve@mitre.org)

https://bugs.python.org/issue36384(af854a3a-2127-422b-91ae-364da2661108)

https://docs.python.org/3/library/ipaddress.html(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/python/cpython/blob/63298930fb531ba2bb4f23bc3b915dbf1e17e9e1/Misc/NEWS.d/3.8.0a4.rst(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/python/cpython/pull/12577(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/python/cpython/pull/25099(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/sickcodes(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-014.md(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html(af854a3a-2127-422b-91ae-364da2661108)

https://python-security.readthedocs.io/vuln/ipaddress-ipv4-leading-zeros.html(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202305-02(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20210622-0003/(af854a3a-2127-422b-91ae-364da2661108)

https://sick.codes/sick-2021-014(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com//security-alerts/cpujul2021.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpuapr2022.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpujan2022.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpujul2022.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.oracle.com/security-alerts/cpuoct2021.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Korrelationen

Keine Korrelationen erfasst

This product uses data from the NVD API but is not endorsed or certified by the NVD.