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Ubuntu 20.04 LTS, 18.04 LTS USN-5331-2 Critical tcpdump DoS

ubuntu
Calendar Grey April 11, 2022
Dist Ubuntu Esm H88
Several vulnerabilities in tcpdump have been resolved in Ubuntu Security Notice USN-5331-2. Be sure to update your system for enhanced security.
Several security issues were fixed in tcpdump.

Summary

Several security issues were fixed in tcpdump.

Software Description:

- 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)

Topics%20covered

Topics Covered

security advisory denial of service update tcpdump Ubuntu vulnerability

Update Instructions

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

Ubuntu 20.04 LTS:
tcpdump 4.9.3-4ubuntu0.1

Ubuntu 18.04 LTS:
tcpdump 4.9.3-0ubuntu0.18.04.2

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

References

https://ubuntu.com/security/notices/USN-5331-2

CVE-2018-16301, CVE-2020-8037

Severity
critical
Lowest
Low
Medium
High
Critical

April 11, 2022

Topics%20covered

Topics Covered

security advisory denial of service update tcpdump Ubuntu vulnerability

Package Information

https://launchpad.net/ubuntu/+source/tcpdump/4.9.3-4ubuntu0.1
https://launchpad.net/ubuntu/+source/tcpdump/4.9.3-0ubuntu0.18.04.2

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