7.5

CVE-2021-3737

Exploit
A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Python ≫ Python Version >= 3.6.0 < 3.6.14
Python ≫ Python Version >= 3.7.0 < 3.7.11
Python ≫ Python Version >= 3.8.0 < 3.8.11
Python ≫ Python Version >= 3.9.0 < 3.9.6
Redhat ≫ Enterprise Linux Version 6.0
Redhat ≫ Enterprise Linux Version 7.0
Redhat ≫ Enterprise Linux Version 8.0
Fedoraproject ≫ Fedora Version 33
Fedoraproject ≫ Fedora Version 34
Canonical ≫ Ubuntu Linux Version 14.04 SwEdition esm
Canonical ≫ Ubuntu Linux Version 16.04 SwEdition esm
Canonical ≫ Ubuntu Linux Version 18.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 20.04 SwEdition lts
Canonical ≫ Ubuntu Linux Version 21.04
Netapp ≫ Hci Version -
Netapp ≫ Netapp Xcp Smb Version -
Netapp ≫ Xcp Nfs Version -
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 11.59% 0.956
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NIST 7.1 8.6 6.9
AV:N/AC:M/Au:N/C:N/I:N/A:C
CISA-ADP 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-400 Uncontrolled Resource Consumption

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

CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

https://www.oracle.com/security-alerts/cpujul2022.html
Patch
Third Party Advisory
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/issue44022
Vendor Advisory
Exploit
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1995162
Patch
Third Party Advisory
Issue Tracking
https://github.com/python/cpython/pull/25916
Patch
Third Party Advisory
https://github.com/python/cpython/pull/26503
Patch
Third Party Advisory
https://python-security.readthedocs.io/vuln/urllib-100-continue-loop.html
Patch
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220407-0009/
Third Party Advisory
https://ubuntu.com/security/CVE-2021-3737
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/11/msg00024.html
https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html