USN-4820-1

Source
https://ubuntu.com/security/notices/USN-4820-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4820-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4820-1
Upstream
Related
Published
2021-03-15T21:57:21Z
Modified
2026-06-25T13:30:29.518883653Z
Summary
s-nail vulnerability
Details

It was discovered that S-nail incorrectly handled paths. An attacker could possible use this issue to write arbitrary files and escalate privileges.

References

Affected packages

Ubuntu:Pro:16.04:LTS / s-nail

Package

Name
s-nail
Purl
pkg:deb/ubuntu/s-nail?arch=source&distro=esm-apps%2Fxenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
14.8.6-1ubuntu0.1~esm1

Affected versions

14.*
14.8.5-1
14.8.5-2
14.8.5-3
14.8.5-4
14.8.5-5
14.8.6-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "heirloom-mailx",
            "binary_version": "14.8.6-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "s-nail",
            "binary_version": "14.8.6-1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4820-1.json"
cves_map
{
    "ecosystem": "Ubuntu:Pro:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2017-5899",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        }
    ]
}