Description
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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- 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 ↗