UBUNTU-CVE-2021-40818

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Source

https://ubuntu.com/security/CVE-2021-40818

Import Source

https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-40818.json

JSON Data

https://api.osv.dev/v1/vulns/UBUNTU-CVE-2021-40818

Related

CVE-2021-40818

Published

2021-09-08T22:15:00Z

Modified

2025-01-13T10:22:37Z

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

scheme/webauthn.c in Glewlwyd SSO server through 2.5.3 has a buffer overflow during FIDO2 signature validation in webauthn registration.

References

Affected packages

Ubuntu:Pro:18.04:LTS / glewlwyd

Package

Name: glewlwyd
Purl: pkg:deb/ubuntu/glewlwyd@1.3.1-1?arch=source&distro=esm-apps/bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.1-2ubuntu1

1.2.2-1

1.3.1-1

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:20.04:LTS / glewlwyd

Package

Name: glewlwyd
Purl: pkg:deb/ubuntu/glewlwyd@1.4.9-3?arch=source&distro=focal

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.4.9-2

1.4.9-3

Ecosystem specific

{
    "ubuntu_priority": "medium"
}

Ubuntu:22.04:LTS / glewlwyd

Package

Name: glewlwyd
Purl: pkg:deb/ubuntu/glewlwyd@2.6.1-1build1?arch=source&distro=jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Affected versions

2.*

2.5.2-3

2.6.1-1

2.6.1-1build1

Ecosystem specific

{
    "ubuntu_priority": "medium"
}