7.1

CVE-2020-8492

Exploit

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.

Daten sind bereitgestellt durch National Vulnerability Database (NVD)
PythonPython Version >= 2.7.0 <= 2.7.17
PythonPython Version >= 3.5.0 <= 3.5.9
PythonPython Version >= 3.6.0 <= 3.6.10
PythonPython Version >= 3.7.0 <= 3.7.6
PythonPython Version >= 3.8.0 <= 3.8.1
OpensuseLeap Version15.1
CanonicalUbuntu Linux Version12.04
CanonicalUbuntu Linux Version14.04 SwEditionesm
CanonicalUbuntu Linux Version16.04 SwEditionesm
CanonicalUbuntu Linux Version18.04 SwEditionlts
CanonicalUbuntu Linux Version19.10
CanonicalUbuntu Linux Version20.04 SwEditionlts
FedoraprojectFedora Version31
FedoraprojectFedora Version32
DebianDebian Linux Version9.0
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.25% 0.866
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.5 2.8 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvd@nist.gov 7.1 8.6 6.9
AV:N/AC:M/Au:N/C:N/I:N/A:C
CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

https://usn.ubuntu.com/4333-1/
Third Party Advisory
https://usn.ubuntu.com/4333-2/
Third Party Advisory
https://bugs.python.org/issue39503
Vendor Advisory
Issue Tracking