USN-4315-1

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Source
https://ubuntu.com/security/notices/USN-4315-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4315-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4315-1
Upstream
Related
Published
2020-04-02T00:55:53Z
Modified
2026-02-10T04:41:48Z
Summary
apport vulnerabilities
Details

Maximilien Bourgeteau discovered that the Apport lock file was created with insecure permissions. This could allow a local attacker to escalate their privileges via a symlink attack. (CVE-2020-8831)

Maximilien Bourgeteau discovered a race condition in Apport when setting crash report permissions. This could allow a local attacker to read arbitrary files via a symlink attack. (CVE-2020-8833)

References

Affected packages

Ubuntu:16.04:LTS / apport

Package

Name
apport
Purl
pkg:deb/ubuntu/apport@2.20.1-0ubuntu2.23?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.20.1-0ubuntu2.23

Affected versions

2.*
2.19.1-0ubuntu3
2.19.2-0ubuntu1
2.19.2-0ubuntu2
2.19.2-0ubuntu3
2.19.2-0ubuntu4
2.19.2-0ubuntu5
2.19.2-0ubuntu6
2.19.2-0ubuntu8
2.19.2-0ubuntu9
2.19.3-0ubuntu1
2.19.3-0ubuntu2
2.19.3-0ubuntu3
2.19.4-0ubuntu1
2.19.4-0ubuntu2
2.20-0ubuntu2
2.20-0ubuntu3
2.20.1-0ubuntu1
2.20.1-0ubuntu2
2.20.1-0ubuntu2.1
2.20.1-0ubuntu2.2
2.20.1-0ubuntu2.4
2.20.1-0ubuntu2.5
2.20.1-0ubuntu2.6
2.20.1-0ubuntu2.9
2.20.1-0ubuntu2.10
2.20.1-0ubuntu2.12
2.20.1-0ubuntu2.13
2.20.1-0ubuntu2.14
2.20.1-0ubuntu2.15
2.20.1-0ubuntu2.16
2.20.1-0ubuntu2.17
2.20.1-0ubuntu2.18
2.20.1-0ubuntu2.19
2.20.1-0ubuntu2.20
2.20.1-0ubuntu2.21
2.20.1-0ubuntu2.22

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.20.1-0ubuntu2.23",
            "binary_name": "apport"
        },
        {
            "binary_version": "2.20.1-0ubuntu2.23",
            "binary_name": "apport-gtk"
        },
        {
            "binary_version": "2.20.1-0ubuntu2.23",
            "binary_name": "apport-kde"
        },
        {
            "binary_version": "2.20.1-0ubuntu2.23",
            "binary_name": "apport-noui"
        },
        {
            "binary_version": "2.20.1-0ubuntu2.23",
            "binary_name": "apport-retrace"
        },
        {
            "binary_version": "2.20.1-0ubuntu2.23",
            "binary_name": "apport-valgrind"
        },
        {
            "binary_version": "2.20.1-0ubuntu2.23",
            "binary_name": "dh-apport"
        },
        {
            "binary_version": "2.20.1-0ubuntu2.23",
            "binary_name": "python-apport"
        },
        {
            "binary_version": "2.20.1-0ubuntu2.23",
            "binary_name": "python-problem-report"
        },
        {
            "binary_version": "2.20.1-0ubuntu2.23",
            "binary_name": "python3-apport"
        },
        {
            "binary_version": "2.20.1-0ubuntu2.23",
            "binary_name": "python3-problem-report"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4315-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-8831",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        },
        {
            "id": "CVE-2020-8833",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / apport

Package

Name
apport
Purl
pkg:deb/ubuntu/apport@2.20.9-0ubuntu7.14?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.20.9-0ubuntu7.14

Affected versions

2.*
2.20.7-0ubuntu3
2.20.7-0ubuntu3.1
2.20.7-0ubuntu4
2.20.8-0ubuntu1
2.20.8-0ubuntu2
2.20.8-0ubuntu3
2.20.8-0ubuntu4
2.20.8-0ubuntu5
2.20.8-0ubuntu6
2.20.8-0ubuntu7
2.20.8-0ubuntu8
2.20.8-0ubuntu9
2.20.8-0ubuntu10
2.20.9-0ubuntu1
2.20.9-0ubuntu2
2.20.9-0ubuntu4
2.20.9-0ubuntu5
2.20.9-0ubuntu6
2.20.9-0ubuntu7
2.20.9-0ubuntu7.1
2.20.9-0ubuntu7.2
2.20.9-0ubuntu7.3
2.20.9-0ubuntu7.4
2.20.9-0ubuntu7.5
2.20.9-0ubuntu7.6
2.20.9-0ubuntu7.7
2.20.9-0ubuntu7.8
2.20.9-0ubuntu7.9
2.20.9-0ubuntu7.11
2.20.9-0ubuntu7.12
2.20.9-0ubuntu7.13

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.20.9-0ubuntu7.14",
            "binary_name": "apport"
        },
        {
            "binary_version": "2.20.9-0ubuntu7.14",
            "binary_name": "apport-gtk"
        },
        {
            "binary_version": "2.20.9-0ubuntu7.14",
            "binary_name": "apport-kde"
        },
        {
            "binary_version": "2.20.9-0ubuntu7.14",
            "binary_name": "apport-noui"
        },
        {
            "binary_version": "2.20.9-0ubuntu7.14",
            "binary_name": "apport-retrace"
        },
        {
            "binary_version": "2.20.9-0ubuntu7.14",
            "binary_name": "apport-valgrind"
        },
        {
            "binary_version": "2.20.9-0ubuntu7.14",
            "binary_name": "dh-apport"
        },
        {
            "binary_version": "2.20.9-0ubuntu7.14",
            "binary_name": "python-apport"
        },
        {
            "binary_version": "2.20.9-0ubuntu7.14",
            "binary_name": "python-problem-report"
        },
        {
            "binary_version": "2.20.9-0ubuntu7.14",
            "binary_name": "python3-apport"
        },
        {
            "binary_version": "2.20.9-0ubuntu7.14",
            "binary_name": "python3-problem-report"
        }
    ],
    "availability": "No subscription required"
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4315-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2020-8831",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "high"
                }
            ]
        },
        {
            "id": "CVE-2020-8833",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}