[USN-5331-1] tcpdump vulnerabilities

[Rodrigo Figueiredo Zaiden]

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Ubuntu Security Notice USN-5331-1
March 16, 2022

tcpdump vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in tcpdump.

Software Description:
- tcpdump: command-line network traffic analyzer

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 16.04 ESM:
   tcpdump                         4.9.3-0ubuntu0.16.04.1+esm1

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

References:
   https://ubuntu.com/security/notices/USN-5331-1
   CVE-2018-16301, CVE-2020-8037
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