USN-5048-1: Inetutils vulnerability
19 August 2021
Inetutils could be made to crash if it received specially crafted input.
Releases
Packages
- inetutils - GNU network utilities
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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04
Ubuntu 18.04
After a standard system update you need to restart Inetutils telnetd to make
all the necessary changes.
References
Related notices
- USN-5048-2: inetutils-ftpd, inetutils-telnet, inetutils-talkd, inetutils-ping, inetutils-inetd, inetutils-tools, inetutils-talk, inetutils-traceroute, inetutils-telnetd, inetutils-ftp, inetutils, inetutils-syslogd