CVE-2020-8492
CVE-2020-8492
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
Python 2.7 through 2.7.17, 3.5 through 3.5.9, 3.6 through 3.6.10, 3.7 through 3.7.6, and 3.8 through 3.8.1 allows an HTTP server to conduct Regular Expression Denial of Service (ReDoS) attacks against a client because of urllib.request.AbstractBasicAuthHandler catastrophic backtracking.
CVSS 6.5 · Media · EPSS 6,6% · Corrección disponible
- Publicación
- Actualización
Pila tecnológica: system
Productos y versiones afectados
n/a
- Versiones
- n/a: Afectada
Sin corrección publicada
python2.7 Debian:11
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.7.18-2
Actualiza a 2.7.18-2
python2.7 Ubuntu:Pro:14.04:LTS
- Versiones
- 2.7.5-8ubuntu3
- 2.7.5-8ubuntu4
- 2.7.6-2
- 2.7.6-2ubuntu1
- 2.7.6-3
- 2.7.6-3ubuntu1
- 2.7.6-4
- 2.7.6-4ubuntu1
- 2.7.6-5
- 2.7.6-7
- 2.7.6-8
- 2.7.6-8ubuntu0.2
- 2.7.6-8ubuntu0.3
- 2.7.6-8ubuntu0.4
- 2.7.6-8ubuntu0.5
- 2.7.6-8ubuntu0.6+esm2
- 2.7.6-8ubuntu0.6+esm3
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.7.6-8ubuntu0.6+esm5
Actualiza a 2.7.6-8ubuntu0.6+esm5
python3.4 Ubuntu:Pro:14.04:LTS
- Versiones
- 3.4~b1-0ubuntu3
- 3.4~b1-4ubuntu4
- 3.4~b1-4ubuntu6
- 3.4~b1-5ubuntu2
- 3.4~b2-1
- 3.4~b3-1ubuntu1
- 3.4~rc1-1build1
- 3.4~rc2-1
- 3.4~rc3-0ubuntu1
- 3.4.0-1
- 3.4.0-2ubuntu1
- 3.4.0-2ubuntu1.1
- 3.4.3-1ubuntu1~14.04.1
- 3.4.3-1ubuntu1~14.04.3
- 3.4.3-1ubuntu1~14.04.4
- 3.4.3-1ubuntu1~14.04.5
- 3.4.3-1ubuntu1~14.04.6
- 3.4.3-1ubuntu1~14.04.7
- 3.4.3-1ubuntu1~14.04.7+esm2
- 3.4.3-1ubuntu1~14.04.7+esm4
- Intervalos de versiones afectados
- ECOSYSTEM: < 3.4.3-1ubuntu1~14.04.7+esm6
Actualiza a 3.4.3-1ubuntu1~14.04.7+esm6
python3.5 Ubuntu:Pro:14.04:LTS
- Versiones
- 3.5.2-2ubuntu0~16.04.4~14.04.1
- Intervalos de versiones afectados
- ECOSYSTEM: < 3.5.2-2ubuntu0~16.04.4~14.04.1+esm1
Actualiza a 3.5.2-2ubuntu0~16.04.4~14.04.1+esm1
python2.7 Ubuntu:16.04:LTS
- Versiones
- 2.7.10-4ubuntu1
- 2.7.10-4ubuntu2
- 2.7.11-2
- 2.7.11-3
- 2.7.11-4
- 2.7.11-6
- 2.7.11-7
- 2.7.11-7ubuntu1
- 2.7.12-1~16.04
- 2.7.12-1ubuntu0~16.04.1
- 2.7.12-1ubuntu0~16.04.2
- 2.7.12-1ubuntu0~16.04.3
- 2.7.12-1ubuntu0~16.04.4
- 2.7.12-1ubuntu0~16.04.8
- 2.7.12-1ubuntu0~16.04.9
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.7.12-1ubuntu0~16.04.11
Actualiza a 2.7.12-1ubuntu0~16.04.11
python3.5 Ubuntu:16.04:LTS
- Versiones
- 3.5.0-3
- 3.5.0-3ubuntu1
- 3.5.1~rc1-2ubuntu1
- 3.5.1-1
- 3.5.1-2
- 3.5.1-3
- 3.5.1-5
- 3.5.1-6ubuntu1
- 3.5.1-6ubuntu2
- 3.5.1-9ubuntu1
- 3.5.1-10
- 3.5.2-2~16.01
- 3.5.2-2~16.04
- 3.5.2-2ubuntu0~16.04.1
- 3.5.2-2ubuntu0~16.04.2
- 3.5.2-2ubuntu0~16.04.3
- 3.5.2-2ubuntu0~16.04.4
- 3.5.2-2ubuntu0~16.04.5
- 3.5.2-2ubuntu0~16.04.8
- 3.5.2-2ubuntu0~16.04.9
- Intervalos de versiones afectados
- ECOSYSTEM: < 3.5.2-2ubuntu0~16.04.10
Actualiza a 3.5.2-2ubuntu0~16.04.10
python2.7 Ubuntu:18.04:LTS
- Versiones
- 2.7.14-2ubuntu2
- 2.7.14-4
- 2.7.14-6
- 2.7.14-7
- 2.7.14-8
- 2.7.15~rc1-1
- 2.7.15~rc1-1ubuntu0.1
- 2.7.15-4ubuntu4~18.04
- 2.7.15-4ubuntu4~18.04.1
- 2.7.15-4ubuntu4~18.04.2
- 2.7.17-1~18.04
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.7.17-1~18.04ubuntu1
Actualiza a 2.7.17-1~18.04ubuntu1
python3.6 Ubuntu:18.04:LTS
- Versiones
- 3.6.3-1ubuntu1
- 3.6.4~rc1-1
- 3.6.4~rc1-2
- 3.6.4-1
- 3.6.4-2
- 3.6.4-3build1
- 3.6.4-4
- 3.6.5~rc1-1
- 3.6.5-3
- 3.6.6-1~18.04
- 3.6.7-1~18.04
- 3.6.8-1~18.04.1
- 3.6.8-1~18.04.2
- 3.6.8-1~18.04.3
- 3.6.9-1~18.04
- Intervalos de versiones afectados
- ECOSYSTEM: < 3.6.9-1~18.04ubuntu1
Actualiza a 3.6.9-1~18.04ubuntu1
python3.7 Ubuntu:18.04:LTS
- Versiones
- 3.7.0~a2-1
- 3.7.0~a3-1
- 3.7.0~a3-2
- 3.7.0~a3-3
- 3.7.0~a4-1
- 3.7.0~b1-1
- 3.7.0~b1-1build1
- 3.7.0~b2-1
- 3.7.0~b3-1
- 3.7.0-1~18.04
- 3.7.1-1~18.04
- 3.7.3-2~18.04.1
- 3.7.5-2~18.04
- 3.7.5-2~18.04.4
- Intervalos de versiones afectados
- ECOSYSTEM: < 3.7.5-2ubuntu1~18.04.2
Actualiza a 3.7.5-2ubuntu1~18.04.2
python3.8 Ubuntu:18.04:LTS
- Versiones
- 3.8.0-3~18.04
- 3.8.0-3~18.04.1
- Intervalos de versiones afectados
- ECOSYSTEM: < 3.8.0-3ubuntu1~18.04.2
Actualiza a 3.8.0-3ubuntu1~18.04.2
python2.7 Ubuntu:20.04:LTS
- Versiones
- 2.7.17~rc1-1
- 2.7.17-1
- 2.7.17-1ubuntu5
- 2.7.17-1ubuntu6
- 2.7.18~rc1-2
- 2.7.18-1~20.04
- Intervalos de versiones afectados
- ECOSYSTEM: < 2.7.18-1~20.04.1
Actualiza a 2.7.18-1~20.04.1
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
- Intervalos de versiones afectados
- ECOSYSTEM: < 3.8.2-1ubuntu1.1
Actualiza a 3.8.2-1ubuntu1.1
Fuentes originales
- https://bugs.python.org/issue39503
- https://python-security.readthedocs.io/vuln/urllib-basic-auth-regex.html
- https://github.com/python/cpython/pull/18284
- https://security.netapp.com/advisory/ntap-20200221-0001/
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00003.html
- https://usn.ubuntu.com/4333-1/
- https://usn.ubuntu.com/4333-2/
- https://security.gentoo.org/glsa/202005-09
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APGWEMYZIY5VHLCSZ3HD67PA5Z2UQFGH/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WOKDEXLYW5UQ4S7PA7E37IITOC7C56J/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UESGYI5XDAHJBATEZN3MHNDUBDH47AS6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A5NSAX4SC3V64PGZUPH7PRDLSON34Q5A/
- https://lists.debian.org/debian-lts-announce/2020/07/msg00011.html
- https://lists.apache.org/thread.html/rdb31a608dd6758c6093fd645aea3fbf022dd25b37109b6aaea5bc0b5%40%3Ccommits.cassandra.apache.org%3E
- https://lists.apache.org/thread.html/rfec113c733162b39633fd86a2d0f34bf42ac35f711b3ec1835c774da%40%3Ccommits.cassandra.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-8492