USN-4263-2

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Source
https://ubuntu.com/security/notices/USN-4263-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4263-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4263-2
Upstream
Related
Published
2020-02-05T13:10:13Z
Modified
2026-02-10T04:41:46Z
Summary
sudo vulnerability
Details

USN-4263-1 fixed a vulnerability in Sudo. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Joe Vennix discovered that Sudo incorrectly handled memory operations when the pwfeedback option is enabled. A local attacker could possibly use this issue to obtain unintended access to the administrator account.

References

Affected packages

Ubuntu:Pro:14.04:LTS / sudo

Package

Name
sudo
Purl
pkg:deb/ubuntu/sudo@1.8.9p5-1ubuntu1.5+esm3?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+esm3

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

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "1.8.9p5-1ubuntu1.5+esm3",
            "binary_name": "sudo"
        },
        {
            "binary_version": "1.8.9p5-1ubuntu1.5+esm3",
            "binary_name": "sudo-ldap"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4263-2.json"
cves_map 
{
    "cves": [
        {
            "id": "CVE-2019-18634",
            "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": "Ubuntu",
                    "score": "low"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}