Ubuntu Security Notices
USN-4252-2

USN-4252-2: tcpdump vulnerabilities

Publication date

27 January 2020

Overview

Several security issues were fixed in tcpdump.

Releases

14.04 LTS 12.04

Packages

tcpdump - command-line network traffic analyzer

Details

USN-4252-1 fixed several vulnerabilities in tcpdump. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Multiple security issues were discovered in tcpdump. A remote attacker
could use these issues to cause tcpdump to crash, resulting in a denial of
service, or possibly execute arbitrary code.

USN-4252-1 fixed several vulnerabilities in tcpdump. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Multiple security issues were discovered in tcpdump. A remote attacker
could use these issues to cause tcpdump to crash, resulting in a denial of
service, or possibly execute arbitrary code.

Update instructions

This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release	Package Version
14.04 trusty	tcpdump – 4.9.3-0ubuntu0.14.04.1+esm1
12.04 precise	tcpdump – 4.9.3-0ubuntu0.12.04.1

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References

USN-4252-1

USN-4252-1