UBUNTU-CVE-2020-15704

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Source
https://ubuntu.com/security/CVE-2020-15704
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15704.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-15704
Upstream
Downstream
Related
Published
2020-08-04T17:00:00Z
Modified
2026-04-22T12:30:46.957631Z
Severity
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

The modprobe child process in the ./debian/patches/loadpppgenericifneeded patch file incorrectly handled module loading. A local non-root attacker could exploit the MODPROBE_OPTIONS environment variable to read arbitrary root files. Fixed in 2.4.5-5ubuntu1.4, 2.4.5-5.1ubuntu2.3+esm2, 2.4.7-1+2ubuntu1.16.04.3, 2.4.7-2+2ubuntu1.3, 2.4.7-2+4.1ubuntu5.1, 2.4.7-2+4.1ubuntu6. Was ZDI-CAN-11504.

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

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15704.json"

Ubuntu:16.04:LTS / ppp

Package

Name
ppp
Purl
pkg:deb/ubuntu/ppp@2.4.7-1+2ubuntu1.16.04.3?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.7-1+2ubuntu1.16.04.3

Affected versions

2.*
2.4.6-3.1ubuntu1
2.4.7-1+1ubuntu1
2.4.7-1+2ubuntu1
2.4.7-1+2ubuntu1.16.04.1
2.4.7-1+2ubuntu1.16.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.7-1+2ubuntu1.16.04.3",
            "binary_name": "ppp"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15704.json"

Ubuntu:18.04:LTS / ppp

Package

Name
ppp
Purl
pkg:deb/ubuntu/ppp@2.4.7-2+2ubuntu1.3?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.7-2+2ubuntu1.3

Affected versions

2.*
2.4.7-1+2ubuntu1
2.4.7-1+4ubuntu1
2.4.7-1+4ubuntu3
2.4.7-2+1ubuntu1
2.4.7-2+2ubuntu1
2.4.7-2+2ubuntu1.1
2.4.7-2+2ubuntu1.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.7-2+2ubuntu1.3",
            "binary_name": "ppp"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15704.json"

Ubuntu:20.04:LTS / ppp

Package

Name
ppp
Purl
pkg:deb/ubuntu/ppp@2.4.7-2+4.1ubuntu5.1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.7-2+4.1ubuntu5.1

Affected versions

2.*
2.4.7-2+4.1ubuntu4
2.4.7-2+4.1ubuntu5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.7-2+4.1ubuntu5.1",
            "binary_name": "ppp"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-15704.json"