ESB-2021.1638 – [UNIX/Linux][Debian] graphviz: Multiple vulnerabilities

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AUSCERT External Security Bulletin Redistribution

ESB-2021.1638
graphviz security update
13 May 2021

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AusCERT Security Bulletin Summary
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Product: graphviz
Publisher: Debian
Operating System: Debian GNU/Linux
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands — Remote/Unauthenticated
Denial of Service — Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-18032

Original Bulletin:
http://www.debian.org/security/2021/dsa-4914

Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running graphviz check for an updated version of the software for
their operating system.

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Debian Security Advisory DSA-4914-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
May 12, 2021 https://www.debian.org/security/faq
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Package : graphviz
CVE ID : CVE-2020-18032
Debian Bug : 988000

A buffer overflow was discovered in Graphviz, which could potentially
result in the execution of arbitrary code when processing a malformed
file.

For the stable distribution (buster), this problem has been fixed in
version 2.40.1-6+deb10u1.

We recommend that you upgrade your graphviz packages.

For the detailed security status of graphviz please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/graphviz

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

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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
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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.
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