CVE-2021-29921
CVE-2021-29921
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
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 · Crítica · EPSS 6,9% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system
Productos y versiones afectados
n/a
- Versiones
- n/a: Afectada
Sin corrección publicada
pypy3 Debian:12
- Intervalos de versiones afectados
- ECOSYSTEM: < 7.3.8+dfsg-1
Actualiza a 7.3.8+dfsg-1
pypy3 Debian:13
- Intervalos de versiones afectados
- ECOSYSTEM: < 7.3.8+dfsg-1
Actualiza a 7.3.8+dfsg-1
pypy3 Debian:14
- Intervalos de versiones afectados
- ECOSYSTEM: < 7.3.8+dfsg-1
Actualiza a 7.3.8+dfsg-1
python3.8 Ubuntu:Pro:18.04:LTS
- Versiones
- 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
- Intervalos de versiones afectados
- ECOSYSTEM: < 3.8.0-3ubuntu1~18.04.2+esm2
Actualiza a 3.8.0-3ubuntu1~18.04.2+esm2
python3.8 Ubuntu:20.04:LTS
- Versiones
- 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
- Intervalos de versiones afectados
- ECOSYSTEM: < 3.8.10-0ubuntu1~20.04.1
Actualiza a 3.8.10-0ubuntu1~20.04.1
python3.9 Ubuntu:20.04:LTS
- Versiones
- 3.9.0~rc1-1~20.04
- 3.9.0-5~20.04
- Intervalos de versiones afectados
- ECOSYSTEM: < 3.9.5-3~20.04.1
Actualiza a 3.9.5-3~20.04.1
Fuentes 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