high
7.5
CWE
407 400
Advisory Published
Updated

CVE-2022-45061

First published: Wed Nov 09 2022(Updated: )

A vulnerability was discovered in Python. A quadratic algorithm exists when processing inputs to the IDNA (RFC 3490) decoder, such that a crafted unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be controlled by a malicious actor, which could trigger excessive CPU consumption on the client attempting to make use of an attacker-supplied hostname.

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
redhat/python3<0:3.6.8-48.el8_7.1
0:3.6.8-48.el8_7.1
redhat/python3.9<0:3.9.14-1.el9_1.2
0:3.9.14-1.el9_1.2
redhat/python<3.11.1
3.11.1
redhat/python<3.10.9
3.10.9
redhat/python<3.9.16
3.9.16
redhat/python<3.8.16
3.8.16
redhat/python<3.7.16
3.7.16
debian/pypy3<=7.3.5+dfsg-2+deb11u2
7.3.5+dfsg-2+deb11u4
7.3.11+dfsg-2+deb12u3
7.3.18+dfsg-2
debian/python2.7<=2.7.18-8+deb11u1
debian/python3.11
3.11.2-6+deb12u5
3.11.2-6+deb12u3
debian/python3.9<=3.9.2-1
3.9.2-1+deb11u2
IBM Cloud Pak for Security<=1.10.0.0 - 1.10.11.0
IBM QRadar Suite<=1.10.12.0 - 1.10.16.0
Maxthon<=3.7.15
Maxthon>=3.8.0<=3.8.15
Maxthon>=3.9.0<=3.9.15
Maxthon>=3.10.0<=3.10.8
Maxthon=3.11.0
Maxthon=3.11.0-alpha1
Maxthon=3.11.0-alpha2
Maxthon=3.11.0-alpha3
Maxthon=3.11.0-alpha4
Maxthon=3.11.0-alpha5
Maxthon=3.11.0-alpha6
Maxthon=3.11.0-alpha7
Maxthon=3.11.0-beta1
Maxthon=3.11.0-beta2
Maxthon=3.11.0-beta3
Maxthon=3.11.0-beta4
Maxthon=3.11.0-beta5
Maxthon=3.11.0-rc1
Maxthon=3.11.0-rc2
Fedora=35
Fedora=36
Fedora=37
NetApp Active IQ Unified Manager for VMware vSphere
netapp active iq unified manager windows
netapp e-series performance analyzer
NetApp Element OS
netapp hci
netapp management services for element software
NetApp ONTAP Select Deploy
All of
netapp bootstrap os
netapp hci compute node
netapp bootstrap os
netapp hci compute node

Remedy

https://github.com/python/cpython/issues/98433

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is CVE-2022-45061?

    CVE-2022-45061 is a vulnerability discovered in Python before 3.11.1 that allows for a CPU denial of service when processing certain inputs to the IDNA decoder.

  • How severe is CVE-2022-45061?

    CVE-2022-45061 is considered a high severity vulnerability with a CVSS severity score of 7.0.

  • What is the affected software?

    The affected software includes Python versions 3.6.8-48.el8_7.1, 3.9.14-1.el9_1.2, and versions 3.10.0 to 3.10.8.

  • How can I fix CVE-2022-45061?

    To fix CVE-2022-45061, upgrade to Python version 3.11.1 or apply the provided patches.

  • Where can I find more information about CVE-2022-45061?

    You can find more information about CVE-2022-45061 in the references provided: [link1](https://github.com/python/cpython/issues/98433), [link2](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2144417), [link3](https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2144426).

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