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Ubuntu 20.04 LTS: Inetutils Important Denial Service & Escalation 7781-1

ubuntu
Calendar Grey September 29, 2025
Scroller Ubuntu
Several vulnerabilities fixed in Inetutils for Ubuntu, affecting various LTS releases. Immediate updates recommended.
Several security issues were fixed in Inetutils.

Summary

Several security issues were fixed in Inetutils.

Software Description:

- inetutils: Collection of common network programs

Details:

Matthew Hickey discovered that Inetutils did not correctly handle certain

escape characters. An attacker could possibly use this issue to cause a

denial of service. (CVE-2019-0053)

It was discovered that Inetutils did not correctly handle certain memory

operations. An attacker could possibly use this issue to execute arbitrary

code. This issue only affected Ubuntu 14.04 LTS. (CVE-2020-10188)

It was discovered that Inetutils did not correctly handle certain memory

operations. An attacker could possibly use this issue to cause a denial of

service. (CVE-2022-39028)

It was discovered that Inetutils did not check the return values of set*id

functions. An attacker could possibly use this issue to escalate their

privileges. (CVE-2023-40303)

Topics%20covered

Topics Covered

security advisory denial service privilege escalation arbitrary code execution Ubuntu important

Update Instructions

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

Ubuntu 20.04 LTS
  inetutils-ftp                   2:1.9.4-11ubuntu0.2+esm1
                                  Available with Ubuntu Pro
  inetutils-ftpd                  2:1.9.4-11ubuntu0.2+esm1
                                  Available with Ubuntu Pro
  inetutils-inetd                 2:1.9.4-11ubuntu0.2+esm1
                                  Available with Ubuntu Pro
  inetutils-ping                  2:1.9.4-11ubuntu0.2+esm1
                                  Available with Ubuntu Pro
  inetutils-syslogd               2:1.9.4-11ubuntu0.2+esm1
                                  Available with Ubuntu Pro
  inetutils-talk                  2:1.9.4-11ubuntu0.2+esm1
                                  Available with Ubuntu Pro
  inetutils-telnet                2:1.9.4-11ubuntu0.2+esm1
                                  Available with Ubuntu Pro
  inetutils-tools                 2:1.9.4-11ubuntu0.2+esm1
                                  Available with Ubuntu Pro
  inetutils-traceroute            2:1.9.4-11ubuntu0.2+esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  inetutils-ftp                   2:1.9.4-3ubuntu0.1+esm2
                                  Available with Ubuntu Pro
  inetutils-ftpd                  2:1.9.4-3ubuntu0.1+esm2
                                  Available with Ubuntu Pro
  inetutils-inetd                 2:1.9.4-3ubuntu0.1+esm2
                                  Available with Ubuntu Pro
  inetutils-ping                  2:1.9.4-3ubuntu0.1+esm2
                                  Available with Ubuntu Pro
  inetutils-syslogd               2:1.9.4-3ubuntu0.1+esm2
                                  Available with Ubuntu Pro
  inetutils-talk                  2:1.9.4-3ubuntu0.1+esm2
                                  Available with Ubuntu Pro
  inetutils-telnet                2:1.9.4-3ubuntu0.1+esm2
                                  Available with Ubuntu Pro
  inetutils-tools                 2:1.9.4-3ubuntu0.1+esm2
                                  Available with Ubuntu Pro
  inetutils-traceroute            2:1.9.4-3ubuntu0.1+esm2
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  inetutils-ftp                   2:1.9.4-1ubuntu0.1~esm3
                                  Available with Ubuntu Pro
  inetutils-ftpd                  2:1.9.4-1ubuntu0.1~esm3
                                  Available with Ubuntu Pro
  inetutils-inetd                 2:1.9.4-1ubuntu0.1~esm3
                                  Available with Ubuntu Pro
  inetutils-ping                  2:1.9.4-1ubuntu0.1~esm3
                                  Available with Ubuntu Pro
  inetutils-syslogd               2:1.9.4-1ubuntu0.1~esm3
                                  Available with Ubuntu Pro
  inetutils-talk                  2:1.9.4-1ubuntu0.1~esm3
                                  Available with Ubuntu Pro
  inetutils-telnet                2:1.9.4-1ubuntu0.1~esm3
                                  Available with Ubuntu Pro
  inetutils-tools                 2:1.9.4-1ubuntu0.1~esm3
                                  Available with Ubuntu Pro
  inetutils-traceroute            2:1.9.4-1ubuntu0.1~esm3
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  inetutils-ftp                   2:1.9.2-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  inetutils-ftpd                  2:1.9.2-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  inetutils-inetd                 2:1.9.2-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  inetutils-ping                  2:1.9.2-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  inetutils-syslogd               2:1.9.2-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  inetutils-talk                  2:1.9.2-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  inetutils-telnet                2:1.9.2-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  inetutils-tools                 2:1.9.2-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  inetutils-traceroute            2:1.9.2-1ubuntu0.1~esm2
                                  Available with Ubuntu Pro

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

References

https://ubuntu.com/security/notices/USN-7781-1

CVE-2019-0053, CVE-2020-10188, CVE-2022-39028, CVE-2023-40303

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7781-1

Topics%20covered

Topics Covered

security advisory denial service privilege escalation arbitrary code execution Ubuntu important

Package Information

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