USN-5048-1

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Source
https://ubuntu.com/security/notices/USN-5048-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5048-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-5048-1
Upstream
Related
Published
2021-08-19T19:14:10.195406Z
Modified
2025-10-13T04:35:35Z
Summary
inetutils vulnerability
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:18.04:LTS / inetutils

Package

Name
inetutils
Purl
pkg:deb/ubuntu/inetutils@2:1.9.4-3ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.9.4-3ubuntu0.1

Affected versions

2:1.*

2:1.9.4-2build1
2:1.9.4-3

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2:1.9.4-3ubuntu0.1",
            "binary_name": "inetutils-ftp"
        },
        {
            "binary_version": "2:1.9.4-3ubuntu0.1",
            "binary_name": "inetutils-ftpd"
        },
        {
            "binary_version": "2:1.9.4-3ubuntu0.1",
            "binary_name": "inetutils-inetd"
        },
        {
            "binary_version": "2:1.9.4-3ubuntu0.1",
            "binary_name": "inetutils-ping"
        },
        {
            "binary_version": "2:1.9.4-3ubuntu0.1",
            "binary_name": "inetutils-syslogd"
        },
        {
            "binary_version": "2:1.9.4-3ubuntu0.1",
            "binary_name": "inetutils-talk"
        },
        {
            "binary_version": "2:1.9.4-3ubuntu0.1",
            "binary_name": "inetutils-talkd"
        },
        {
            "binary_version": "2:1.9.4-3ubuntu0.1",
            "binary_name": "inetutils-telnet"
        },
        {
            "binary_version": "2:1.9.4-3ubuntu0.1",
            "binary_name": "inetutils-telnetd"
        },
        {
            "binary_version": "2:1.9.4-3ubuntu0.1",
            "binary_name": "inetutils-tools"
        },
        {
            "binary_version": "2:1.9.4-3ubuntu0.1",
            "binary_name": "inetutils-traceroute"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-10188",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / inetutils

Package

Name
inetutils
Purl
pkg:deb/ubuntu/inetutils@2:1.9.4-11ubuntu0.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.9.4-11ubuntu0.1

Affected versions

2:1.*

2:1.9.4-10build1
2:1.9.4-11

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2:1.9.4-11ubuntu0.1",
            "binary_name": "inetutils-ftp"
        },
        {
            "binary_version": "2:1.9.4-11ubuntu0.1",
            "binary_name": "inetutils-ftpd"
        },
        {
            "binary_version": "2:1.9.4-11ubuntu0.1",
            "binary_name": "inetutils-inetd"
        },
        {
            "binary_version": "2:1.9.4-11ubuntu0.1",
            "binary_name": "inetutils-ping"
        },
        {
            "binary_version": "2:1.9.4-11ubuntu0.1",
            "binary_name": "inetutils-syslogd"
        },
        {
            "binary_version": "2:1.9.4-11ubuntu0.1",
            "binary_name": "inetutils-talk"
        },
        {
            "binary_version": "2:1.9.4-11ubuntu0.1",
            "binary_name": "inetutils-talkd"
        },
        {
            "binary_version": "2:1.9.4-11ubuntu0.1",
            "binary_name": "inetutils-telnet"
        },
        {
            "binary_version": "2:1.9.4-11ubuntu0.1",
            "binary_name": "inetutils-telnetd"
        },
        {
            "binary_version": "2:1.9.4-11ubuntu0.1",
            "binary_name": "inetutils-tools"
        },
        {
            "binary_version": "2:1.9.4-11ubuntu0.1",
            "binary_name": "inetutils-traceroute"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-10188",
            "severity": [
                {
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                    "type": "CVSS_V3"
                },
                {
                    "score": "medium",
                    "type": "Ubuntu"
                }
            ]
        }
    ]
}