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USN-5331-2: tcpdump vulnerabilities

11 April 2022

Several security issues were fixed in tcpdump.

Releases

Packages

  • tcpdump - command-line network traffic analyzer

Details

USN-5331-1 fixed several vulnerabilities in tcpdump. This update provides
the corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

Original advisory details:
It was discovered that tcpdump incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service,
or possibly execute arbitrary code. (CVE-2018-16301)

It was discovered that tcpdump incorrectly handled certain captured data.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2020-8037)

Update instructions

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

Ubuntu 20.04
Ubuntu 18.04

In general, a standard system update will make all the necessary changes.

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