USN-5048-2

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Source
https://ubuntu.com/security/notices/USN-5048-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5048-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5048-2
Upstream
Related
Published
2021-08-20T17:56:24.075360Z
Modified
2025-09-08T16:37:07Z
Summary
inetutils vulnerability
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.

References

Affected packages

Ubuntu:Pro:16.04:LTS / inetutils

Package

Name
inetutils
Purl
pkg:deb/ubuntu/inetutils@2:1.9.4-1ubuntu0.1~esm1?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.9.4-1ubuntu0.1~esm1

Affected versions

2:1.*

2:1.9.4-1
2:1.9.4-1build1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "inetutils-ftp",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "inetutils-ftpd",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "inetutils-inetd",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "inetutils-ping",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "inetutils-syslogd",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "inetutils-talk",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "inetutils-talkd",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "inetutils-telnet",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "inetutils-telnetd",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "inetutils-tools",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "inetutils-traceroute",
            "binary_version": "2:1.9.4-1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}