USN-6304-1: Inetutils vulnerabilities

Releases

• Ubuntu 23.04
• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS

Packages

• inetutils - File Transfer Protocol client

Details

It was discovered that telnetd in GNU Inetutils incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a crash. This issue
only affected Ubuntu 20.04 LTS and Ubuntu 22.04 LTS (CVE-2022-39028)

It was discovered that Inetutils incorrectly handled certain inputs.
An attacker could possibly use this issue to expose sensitive information,
or execute arbitrary code.
(CVE-2023-40303)

Update instructions

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

Ubuntu 23.04

• inetutils-telnetd - 2:2.4-2ubuntu1.1
• inetutils-tools - 2:2.4-2ubuntu1.1

Ubuntu 22.04

• inetutils-telnetd - 2:2.2-2ubuntu0.1
• inetutils-tools - 2:2.2-2ubuntu0.1

Ubuntu 20.04

• inetutils-telnetd - 2:1.9.4-11ubuntu0.2
• inetutils-tools - 2:1.9.4-11ubuntu0.2

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

References

• CVE-2022-39028
• CVE-2023-40303