Tuesday, August 24, 2021

Ubuntu Security Notice USN-5048-1

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Ubuntu Security Notice USN-5048-1
August 19, 2021

inetutils vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

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

Software Description:
- 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 LTS:
inetutils-telnetd 2:1.9.4-11ubuntu0.1

Ubuntu 18.04 LTS:
inetutils-telnetd 2:1.9.4-3ubuntu0.1

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

References:
https://ubuntu.com/security/notices/USN-5048-1
CVE-2020-10188

Package Information:
https://launchpad.net/ubuntu/+source/inetutils/2:1.9.4-11ubuntu0.1
https://launchpad.net/ubuntu/+source/inetutils/2:1.9.4-3ubuntu0.1
 

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