Python: Multiple vulnerabilities

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2020.1559
                    USN-4333-2: Python vulnerabilities
                                1 May 2020

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Python
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Denial of Service        -- Remote with User Interaction
                   Access Confidential Data -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2020-8492 CVE-2019-18348 

Reference:         ESB-2020.1383
                   ESB-2020.1196
                   ESB-2020.1035
                   ESB-2020.0785

Original Bulletin: 
   https://usn.ubuntu.com/4333-2/

- --------------------------BEGIN INCLUDED TEXT--------------------

USN-4333-2: Python vulnerabilities
30 April 2020

python3.8 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:

  o Ubuntu 20.04 LTS

Summary

Several security issues were fixed in Python.

Software Description

  o python3.8 - Interactive high-level object-oriented language (version 3.8)

Details

USN-4333-1 fixed vulnerabilities in Python. This update provides the
corresponding update for Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that Python incorrectly stripped certain characters from
requests. A remote attacker could use this issue to perform CRLF injection.
(CVE-2019-18348)

It was discovered that Python incorrectly handled certain HTTP requests. An
attacker could possibly use this issue to cause a denial of service.
(CVE-2020-8492)

Update instructions

The problem can be corrected by updating your system to the following package
versions:

Ubuntu 20.04 LTS
    python3.8 - 3.8.2-1ubuntu1.1
    python3.8-minimal - 3.8.2-1ubuntu1.1

To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .

In general, a standard system update will make all the necessary changes.

References

  o USN-4333-1
  o CVE-2019-18348
  o CVE-2020-8492

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=0L7U
-----END PGP SIGNATURE-----