USN-4705-2

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Source
https://ubuntu.com/security/notices/USN-4705-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4705-2.json
JSON Data
https://api.test.osv.dev/v1/vulns/USN-4705-2
Upstream
Related
Published
2021-01-27T15:01:20.357071Z
Modified
2025-10-13T04:35:20Z
Summary
sudo vulnerability
Details

USN-4705-1 fixed a vulnerability in Sudo. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that Sudo incorrectly handled memory when parsing command lines. A local attacker could possibly use this issue to obtain unintended access to the administrator account. (CVE-2021-3156)

References

Affected packages

Ubuntu:Pro:14.04:LTS / sudo

Package

Name
sudo
Purl
pkg:deb/ubuntu/sudo@1.8.9p5-1ubuntu1.5+esm6?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.8.9p5-1ubuntu1.5+esm6

Affected versions

1.*

1.8.6p3-0ubuntu3
1.8.8-2ubuntu1
1.8.8-2ubuntu2
1.8.9p4-1ubuntu1
1.8.9p4-1ubuntu2
1.8.9p5-1ubuntu1
1.8.9p5-1ubuntu1.1
1.8.9p5-1ubuntu1.2
1.8.9p5-1ubuntu1.3
1.8.9p5-1ubuntu1.4
1.8.9p5-1ubuntu1.5+esm1
1.8.9p5-1ubuntu1.5+esm2
1.8.9p5-1ubuntu1.5+esm3
1.8.9p5-1ubuntu1.5+esm5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "sudo",
            "binary_version": "1.8.9p5-1ubuntu1.5+esm6"
        },
        {
            "binary_name": "sudo-ldap",
            "binary_version": "1.8.9p5-1ubuntu1.5+esm6"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:Pro:14.04:LTS",
    "cves": [
        {
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ],
            "id": "CVE-2021-3156"
        }
    ]
}