CVE-2021-29921
CVE-2021-29921
Cette page présente des faits issus de sources publiques. Consultez l’avis original avant toute mise à jour.
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.
CVSS 9.8 · Critique · EPSS 6,9% · Correctif disponible
- Publication
- Mise à jour
Pile logicielle: system
Produits et versions concernés
n/a
- Versions du logiciel
- n/a: Concernée
Aucun correctif publié
pypy3 Debian:12
- Plages de versions concernées
- ECOSYSTEM: < 7.3.8+dfsg-1
Mettez à jour vers 7.3.8+dfsg-1
pypy3 Debian:13
- Plages de versions concernées
- ECOSYSTEM: < 7.3.8+dfsg-1
Mettez à jour vers 7.3.8+dfsg-1
pypy3 Debian:14
- Plages de versions concernées
- ECOSYSTEM: < 7.3.8+dfsg-1
Mettez à jour vers 7.3.8+dfsg-1
python3.8 Ubuntu:Pro:18.04:LTS
- Versions du logiciel
- 3.8.0-3~18.04
- 3.8.0-3~18.04.1
- 3.8.0-3ubuntu1~18.04.2
- 3.8.0-3ubuntu1~18.04.2+esm1
- Plages de versions concernées
- ECOSYSTEM: < 3.8.0-3ubuntu1~18.04.2+esm2
Mettez à jour vers 3.8.0-3ubuntu1~18.04.2+esm2
python3.8 Ubuntu:20.04:LTS
- Versions du logiciel
- 3.8.0-1
- 3.8.0-2
- 3.8.0-3
- 3.8.0-4
- 3.8.0-5
- 3.8.1-2ubuntu3
- 3.8.2~rc1-1ubuntu1
- 3.8.2-1
- 3.8.2-1ubuntu1
- 3.8.2-1ubuntu1.1
- 3.8.2-1ubuntu1.2
- 3.8.5-1~20.04
- 3.8.5-1~20.04.2
- 3.8.5-1~20.04.3
- 3.8.10-0ubuntu1~20.04
- Plages de versions concernées
- ECOSYSTEM: < 3.8.10-0ubuntu1~20.04.1
Mettez à jour vers 3.8.10-0ubuntu1~20.04.1
python3.9 Ubuntu:20.04:LTS
- Versions du logiciel
- 3.9.0~rc1-1~20.04
- 3.9.0-5~20.04
- Plages de versions concernées
- ECOSYSTEM: < 3.9.5-3~20.04.1
Mettez à jour vers 3.9.5-3~20.04.1
Sources originales
- https://github.com/sickcodes
- https://docs.python.org/3/library/ipaddress.html
- https://github.com/python/cpython/blob/63298930fb531ba2bb4f23bc3b915dbf1e17e9e1/Misc/NEWS.d/3.8.0a4.rst
- https://sick.codes/sick-2021-014
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-014.md
- https://python-security.readthedocs.io/vuln/ipaddress-ipv4-leading-zeros.html
- https://bugs.python.org/issue36384
- https://github.com/python/cpython/pull/12577
- https://github.com/python/cpython/pull/25099
- https://security.netapp.com/advisory/ntap-20210622-0003/
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://www.oracle.com/security-alerts/cpujan2022.html
- https://www.oracle.com/security-alerts/cpuapr2022.html
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://security.gentoo.org/glsa/202305-02
- https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-29921