- -------------------------------------------------------------------------
Debian LTS Advisory DLA-2723-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                    Thorsten Alteholz
July 31, 2021                                 https://wiki.debian.org/LTS
- -------------------------------------------------------------------------

Package        : linuxptp
Version        : 1.8-1+deb9u1
CVE ID         : CVE-2021-3570


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 Debian 9 stretch, this problem has been fixed in version
1.8-1+deb9u1.

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/source-package/linuxptp

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

Debian LTS: DLA-2723-1: linuxptp security update

July 30, 2021
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...

Summary

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 Debian 9 stretch, this problem has been fixed in version
1.8-1+deb9u1.

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/source-package/linuxptp

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



Severity
Package : linuxptp
Version : 1.8-1+deb9u1
CVE ID : CVE-2021-3570

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