USN-4451-2

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Source
https://ubuntu.com/security/notices/USN-4451-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4451-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4451-2
Upstream
Related
Published
2020-08-06T14:10:43Z
Modified
2026-04-22T10:07:06.021833Z
Summary
ppp vulnerability
Details

USN-4451-1 fixed a vulnerability in ppp. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

Thomas Chauchefoin working with Trend Micro´s Zero Day Initiative, discovered that ppp incorrectly handled module loading. A local attacker could use this issue to load arbitrary kernel modules and possibly execute arbitrary code.

References

Affected packages

Ubuntu:Pro:14.04:LTS / ppp

Package

Name
ppp
Purl
pkg:deb/ubuntu/ppp@2.4.5-5.1ubuntu2.3+esm2?arch=source&distro=trusty/esm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.5-5.1ubuntu2.3+esm2

Affected versions

2.*
2.4.5-5.1ubuntu2
2.4.5-5.1ubuntu2.1
2.4.5-5.1ubuntu2.2
2.4.5-5.1ubuntu2.3
2.4.5-5.1ubuntu2.3+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "ppp",
            "binary_version": "2.4.5-5.1ubuntu2.3+esm2"
        }
    ],
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}

Database specific

cves_map 
{
    "cves": [
        {
            "id": "CVE-2020-15704",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ],
    "ecosystem": "Ubuntu:Pro:14.04:LTS"
}
source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4451-2.json"