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===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.1063
OpenSSL security update
26 March 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: OpenSSL
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Denial of Service -- Unknown/Unspecified
Resolution: Patch/Upgrade
CVE Names: CVE-2021-3449
Reference: ESB-2021.1056
Original Bulletin:
http://www.debian.org/security/2021/dsa-4875
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Debian Security Advisory DSA-4875-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
March 25, 2021 https://www.debian.org/security/faq
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Package : openssl
CVE ID : CVE-2021-3449
A NULL pointer dereference was found in the signature_algorithms
processing in OpenSSL, a Secure Sockets Layer toolkit, which could
result in denial of service.
Additional details can be found in the upstream advisory:
https://www.openssl.org/news/secadv/20210325.txt
For the stable distribution (buster), this problem has been fixed in
version 1.1.1d-0+deb10u6.
We recommend that you upgrade your openssl packages.
For the detailed security status of openssl please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/openssl
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/
Mailing list: debian-security-announce@lists.debian.org
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You have received this e-mail bulletin as a result of your organisation's
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receiving these bulletins you should contact your local IT manager. If
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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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