USN-4451-2

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

0 Unknown 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

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

Database specific

cves_map

{
    "cves":  [
        {
            "id":  "CVE-2020-15704",
            "severity":  [
                {
                    "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":  "CVSS_V3"
                },
                {
                    "score":  "medium",
                    "type":  "Ubuntu"
                }
            ]
        }
    ],
    "ecosystem":  "Ubuntu:Pro:14.04:LTS"
}

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4451-2.json"