Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2021.2364
linuxptp security update
14 July 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: linuxptp
Publisher: Debian
Operating System: Debian GNU/Linux
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-3570
Reference: ESB-2021.2318
Original Bulletin:
https://lists.debian.org/debian-security-announce/2021/msg00121.html
- --------------------------BEGIN INCLUDED TEXT--------------------
- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
- - -------------------------------------------------------------------------
Debian Security Advisory DSA-4938-1 security@debian.org
https://www.debian.org/security/ Salvatore Bonaccorso
July 13, 2021 https://www.debian.org/security/faq
- - -------------------------------------------------------------------------
Package : linuxptp
CVE ID : CVE-2021-3570
Debian Bug : 990748
Miroslav Lichvar reported that the ptp4l program in linuxptp, an
implementation of the Precision Time Protocol (PTP), does not validate
the messageLength field of incoming messages, allowing a remote attacker
to cause a denial of service, information leak, or potentially remote
code execution.
For the stable distribution (buster), this problem has been fixed in
version 1.9.2-1+deb10u1.
We recommend that you upgrade your linuxptp packages.
For the detailed security status of linuxptp please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/linuxptp
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
- -----BEGIN PGP SIGNATURE-----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=7/xl
- -----END PGP SIGNATURE-----
- --------------------------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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=kuHx
-----END PGP SIGNATURE-----