6.5

CVE-2021-3733

Exploit
There's a flaw in urllib's AbstractBasicAuthHandler class. An attacker who controls a malicious HTTP server that an HTTP client (such as web browser) connects to, could trigger a Regular Expression Denial of Service (ReDOS) during an authentication request with a specially crafted payload that is sent by the server to the client. The greatest threat that this flaw poses is to application availability.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Python ≫ Python Version < 3.6.14
Python ≫ Python Version >= 3.7.0 < 3.7.11
Python ≫ Python Version >= 3.8.0 < 3.8.10
Python ≫ Python Version >= 3.9.0 < 3.9.5
Python ≫ Python Version 3.10.0 Update -
Redhat ≫ Enterprise Linux Version 8.0
Redhat ≫ Enterprise Linux Eus Version 8.4
Fedoraproject ≫ Fedora Version 33
Fedoraproject ≫ Fedora Version 34
Fedoraproject ≫ Fedora Version 35
Fedoraproject ≫ Fedora Version 36
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 4.68% 0.908
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NIST 4 8 2.9
AV:N/AC:L/Au:S/C:N/I:N/A:P
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html
https://lists.debian.org/debian-lts-announce/2023/06/msg00039.html
https://bugs.python.org/issue43075
Patch
Vendor Advisory
Exploit
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1995234
Third Party Advisory
Issue Tracking
https://github.com/python/cpython/commit/7215d1ae25525c92b026166f9d5cac85fb
Patch
Third Party Advisory
https://github.com/python/cpython/pull/24391
Patch
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220407-0001/
Third Party Advisory
https://ubuntu.com/security/CVE-2021-3733
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html