ESB-2020.2595 – [Ubuntu] librsvg: Multiple vulnerabilities

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

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

                               ESB-2020.2595
                      USN-4436-2: librsvg regression
                               30 July 2020

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

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

Product:           librsvg
Publisher:         Ubuntu
Operating System:  Ubuntu
Impact/Access:     Denial of Service -- Remote with User Interaction
                   Reduced Security  -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-20446 CVE-2017-11464 

Reference:         ESB-2020.2523

Original Bulletin: 
   https://usn.ubuntu.com/4436-2/

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

USN-4436-2: librsvg regression
29 July 2020

USN-4436-1 introduced a regression in librsvg.
Releases

  o Ubuntu 18.04 LTS
  o Ubuntu 16.04 LTS

Packages

  o librsvg - renderer library for SVG files

Details

USN-4436-1 fixed a vulnerability in librsvg. The upstream fix caused a
regression when parsing certain SVG files. This update backs out the fix
pending further investigation.

Original advisory details:

It was discovered that librsvg incorrectly handled parsing certain SVG
files. A remote attacker could possibly use this issue to cause librsvg to
crash, resulting in a denial of service. This issue only affected Ubuntu
16.04 LTS. (CVE-2017-11464)

It was discovered that librsvg incorrectly handled parsing certain SVG
files with nested patterns. A remote attacker could possibly use this issue
to cause librsvg to consume resources and crash, resulting in a denial of
service. (CVE-2019-20446)

Update instructions

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

Ubuntu 18.04

  o librsvg2-2 - 2.40.20-2ubuntu0.2

Ubuntu 16.04

  o librsvg2-2 - 2.40.13-3ubuntu0.2

After a standard system update you need to restart your session to make all
the necessary changes.

References

  o https://launchpad.net/bugs/1889206

- --------------------------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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=1ABi
-----END PGP SIGNATURE-----

Read More

https://www.malwaredevil.com/2020/07/30/esb-2020-2595-ubuntu-librsvg-multiple-vulnerabilities/?utm_source=rss&utm_medium=rss&utm_campaign=esb-2020-2595-ubuntu-librsvg-multiple-vulnerabilities