CVE-2020-27780

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Source
https://nvd.nist.gov/vuln/detail/CVE-2020-27780
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-27780.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-27780
Related
Published
2020-12-18T00:15:14Z
Modified
2024-12-05T15:26:53.912171Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A flaw was found in Linux-Pam in versions prior to 1.5.1 in the way it handle empty passwords for non-existing users. When the user doesn't exist PAM try to authenticate with root and in the case of an empty password it successfully authenticate.

References

Affected packages

Alpine:v3.13 / linux-pam

Package

Name
linux-pam
Purl
pkg:apk/alpine/linux-pam?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.1

Affected versions

1.*

1.1.3-r0
1.1.3-r1
1.1.3-r2
1.1.3-r3
1.1.3-r4
1.1.5-r0
1.1.6-r0
1.1.8-r0
1.1.8-r1
1.1.8-r2
1.2.0-r0
1.2.1-r0
1.2.1-r1
1.3.0-r0
1.3.0-r1
1.3.1-r0
1.3.1-r1
1.3.1-r2
1.3.1-r3
1.3.1-r4
1.4.0-r0
1.4.0-r1

Alpine:v3.14 / linux-pam

Package

Name
linux-pam
Purl
pkg:apk/alpine/linux-pam?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.1-r0

Affected versions

1.*

1.1.3-r0
1.1.3-r1
1.1.3-r2
1.1.3-r3
1.1.3-r4
1.1.5-r0
1.1.6-r0
1.1.8-r0
1.1.8-r1
1.1.8-r2
1.2.0-r0
1.2.1-r0
1.2.1-r1
1.3.0-r0
1.3.0-r1
1.3.1-r0
1.3.1-r1
1.3.1-r2
1.3.1-r3
1.3.1-r4
1.4.0-r0
1.4.0-r1

Alpine:v3.15 / linux-pam

Package

Name
linux-pam
Purl
pkg:apk/alpine/linux-pam?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.1-r0

Affected versions

1.*

1.1.3-r0
1.1.3-r1
1.1.3-r2
1.1.3-r3
1.1.3-r4
1.1.5-r0
1.1.6-r0
1.1.8-r0
1.1.8-r1
1.1.8-r2
1.2.0-r0
1.2.1-r0
1.2.1-r1
1.3.0-r0
1.3.0-r1
1.3.1-r0
1.3.1-r1
1.3.1-r2
1.3.1-r3
1.3.1-r4
1.4.0-r0
1.4.0-r1

Alpine:v3.16 / linux-pam

Package

Name
linux-pam
Purl
pkg:apk/alpine/linux-pam?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.1-r0

Affected versions

1.*

1.1.3-r0
1.1.3-r1
1.1.3-r2
1.1.3-r3
1.1.3-r4
1.1.5-r0
1.1.6-r0
1.1.8-r0
1.1.8-r1
1.1.8-r2
1.2.0-r0
1.2.1-r0
1.2.1-r1
1.3.0-r0
1.3.0-r1
1.3.1-r0
1.3.1-r1
1.3.1-r2
1.3.1-r3
1.3.1-r4
1.4.0-r0
1.4.0-r1

Alpine:v3.17 / linux-pam

Package

Name
linux-pam
Purl
pkg:apk/alpine/linux-pam?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.1-r0

Affected versions

1.*

1.1.3-r0
1.1.3-r1
1.1.3-r2
1.1.3-r3
1.1.3-r4
1.1.5-r0
1.1.6-r0
1.1.8-r0
1.1.8-r1
1.1.8-r2
1.2.0-r0
1.2.1-r0
1.2.1-r1
1.3.0-r0
1.3.0-r1
1.3.1-r0
1.3.1-r1
1.3.1-r2
1.3.1-r3
1.3.1-r4
1.4.0-r0
1.4.0-r1

Alpine:v3.18 / linux-pam

Package

Name
linux-pam
Purl
pkg:apk/alpine/linux-pam?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.1-r0

Affected versions

1.*

1.1.3-r0
1.1.3-r1
1.1.3-r2
1.1.3-r3
1.1.3-r4
1.1.5-r0
1.1.6-r0
1.1.8-r0
1.1.8-r1
1.1.8-r2
1.2.0-r0
1.2.1-r0
1.2.1-r1
1.3.0-r0
1.3.0-r1
1.3.1-r0
1.3.1-r1
1.3.1-r2
1.3.1-r3
1.3.1-r4
1.4.0-r0
1.4.0-r1

Alpine:v3.19 / linux-pam

Package

Name
linux-pam
Purl
pkg:apk/alpine/linux-pam?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.1-r0

Affected versions

1.*

1.1.3-r0
1.1.3-r1
1.1.3-r2
1.1.3-r3
1.1.3-r4
1.1.5-r0
1.1.6-r0
1.1.8-r0
1.1.8-r1
1.1.8-r2
1.2.0-r0
1.2.1-r0
1.2.1-r1
1.3.0-r0
1.3.0-r1
1.3.1-r0
1.3.1-r1
1.3.1-r2
1.3.1-r3
1.3.1-r4
1.4.0-r0
1.4.0-r1

Alpine:v3.20 / linux-pam

Package

Name
linux-pam
Purl
pkg:apk/alpine/linux-pam?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.1-r0

Affected versions

1.*

1.1.3-r0
1.1.3-r1
1.1.3-r2
1.1.3-r3
1.1.3-r4
1.1.5-r0
1.1.6-r0
1.1.8-r0
1.1.8-r1
1.1.8-r2
1.2.0-r0
1.2.1-r0
1.2.1-r1
1.3.0-r0
1.3.0-r1
1.3.1-r0
1.3.1-r1
1.3.1-r2
1.3.1-r3
1.3.1-r4
1.4.0-r0
1.4.0-r1

Alpine:v3.21 / linux-pam

Package

Name
linux-pam
Purl
pkg:apk/alpine/linux-pam?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.5.1-r0

Affected versions

1.*

1.1.3-r0
1.1.3-r1
1.1.3-r2
1.1.3-r3
1.1.3-r4
1.1.5-r0
1.1.6-r0
1.1.8-r0
1.1.8-r1
1.1.8-r2
1.2.0-r0
1.2.1-r0
1.2.1-r1
1.3.0-r0
1.3.0-r1
1.3.1-r0
1.3.1-r1
1.3.1-r2
1.3.1-r3
1.3.1-r4
1.4.0-r0
1.4.0-r1

Git / github.com/linux-pam/linux-pam

Affected ranges

Type
GIT
Repo
https://github.com/linux-pam/linux-pam
Events
Introduced
62d826471e87e27b39a36ccbeee58999e2514a92
Fixed
225f17470eed9f44282f435ad1ed64c94d9a2ddf

Affected versions

v1.*

v1.5.0