USN-5048-2: Inetutils vulnerability

20 August 2021

Inetutils could be made to crash if it received specially crafted input.

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Details

USN-5048-1 fixed a vulnerability in Inetutils for Ubuntu 18.04 LTS and Ubuntu
20.04 LTS. This update provides the corresponding fixes for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Inetutils telnet server allows remote attackers to
execute arbitrary code via short writes or urgent data. An attacker could use
this vulnerability to cause a DoS or possibly execute arbitrary code.

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Update instructions

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

Ubuntu 16.04

After a standard system update you need to restart Inetutils telnetd to make
all the necessary changes.

References

Related notices

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