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Debian LTS: Security Advisory for linuxptp (DLA-2723-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'linuxptp' package(s) announced via the DLA-2723-1 advisory.
Insight
Insight
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.
Affected Software
Affected Software
'linuxptp' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 9 stretch, this problem has been fixed in version 1.8-1+deb9u1. We recommend that you upgrade your linuxptp packages.