UBUNTU-CVE-2020-8793

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Source
https://ubuntu.com/security/CVE-2020-8793
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8793.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2020-8793
Upstream
Downstream
Related
Published
2020-02-25T17:15:00Z
Modified
2025-07-16T07:54:45.902060Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

OpenSMTPD before 6.6.4 allows local users to read arbitrary files (e.g., on some Linux distributions) because of a combination of an untrusted search path in makemap.c and race conditions in the offline functionality in smtpd.c.

References

Affected packages

Ubuntu:Pro:14.04:LTS / opensmtpd

Package

Name
opensmtpd
Purl
pkg:deb/ubuntu/opensmtpd@5.4.1p1-1ubuntu0.1~esm1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

5.*

5.3.3p1-4
5.4.1p1-1
5.4.1p1-1ubuntu0.1~esm1

Ubuntu:Pro:16.04:LTS / opensmtpd

Package

Name
opensmtpd
Purl
pkg:deb/ubuntu/opensmtpd@5.7.3p2-1ubuntu0.1~esm2?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.7.3p2-1ubuntu0.1~esm2

Affected versions

5.*

5.4.2p1-4
5.7.3p1-1
5.7.3p2-1
5.7.3p2-1ubuntu0.1~esm1

Ecosystem specific 

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_name": "opensmtpd",
            "binary_version": "5.7.3p2-1ubuntu0.1~esm2"
        },
        {
            "binary_name": "opensmtpd-dbgsym",
            "binary_version": "5.7.3p2-1ubuntu0.1~esm2"
        }
    ]
}

Ubuntu:18.04:LTS / opensmtpd

Package

Name
opensmtpd
Purl
pkg:deb/ubuntu/opensmtpd@6.0.3p1-1ubuntu0.2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0.3p1-1ubuntu0.2

Affected versions

6.*

6.0.2p1-2build1
6.0.3p1-1
6.0.3p1-1build1
6.0.3p1-1ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "opensmtpd",
            "binary_version": "6.0.3p1-1ubuntu0.2"
        },
        {
            "binary_name": "opensmtpd-dbgsym",
            "binary_version": "6.0.3p1-1ubuntu0.2"
        }
    ]
}

Ubuntu:20.04:LTS / opensmtpd

Package

Name
opensmtpd
Purl
pkg:deb/ubuntu/opensmtpd@6.6.4p1-1?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.4p1-1

Affected versions

6.*

6.0.3p1-6
6.0.3p1-6build1
6.6.1p1-1
6.6.1p1-3
6.6.1p1-4
6.6.1p1-5
6.6.2p1-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "opensmtpd",
            "binary_version": "6.6.4p1-1"
        },
        {
            "binary_name": "opensmtpd-dbgsym",
            "binary_version": "6.6.4p1-1"
        }
    ]
}