UBUNTU-CVE-2020-12823

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Source
https://ubuntu.com/security/CVE-2020-12823
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-12823.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-12823
Upstream
Published
2020-05-12T18:15:00Z
Modified
2025-10-24T04:48:29Z
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
  • Ubuntu - medium
Summary
[none]
Details

OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to getcertname in gnutls.c.

References

Affected packages

Ubuntu:16.04:LTS / openconnect

Package

Name
openconnect
Purl
pkg:deb/ubuntu/openconnect@7.06-2build2?arch=source&distro=xenial

Affected ranges

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

Affected versions

7.*

7.06-2build1
7.06-2build2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libopenconnect-dev",
            "binary_version": "7.06-2build2"
        },
        {
            "binary_name": "libopenconnect5",
            "binary_version": "7.06-2build2"
        },
        {
            "binary_name": "openconnect",
            "binary_version": "7.06-2build2"
        }
    ]
}

Ubuntu:18.04:LTS / openconnect

Package

Name
openconnect
Purl
pkg:deb/ubuntu/openconnect@7.08-3ubuntu0.18.04.2?arch=source&distro=bionic

Affected ranges

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

Affected versions

7.*

7.08-1
7.08-2
7.08-3
7.08-3ubuntu0.18.04.1
7.08-3ubuntu0.18.04.2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libopenconnect-dev",
            "binary_version": "7.08-3ubuntu0.18.04.2"
        },
        {
            "binary_name": "libopenconnect5",
            "binary_version": "7.08-3ubuntu0.18.04.2"
        },
        {
            "binary_name": "openconnect",
            "binary_version": "7.08-3ubuntu0.18.04.2"
        }
    ]
}

Ubuntu:20.04:LTS / openconnect

Package

Name
openconnect
Purl
pkg:deb/ubuntu/openconnect@8.05-1?arch=source&distro=focal

Affected ranges

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

Affected versions

8.*

8.02-1build1
8.05-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libopenconnect-dev",
            "binary_version": "8.05-1"
        },
        {
            "binary_name": "libopenconnect5",
            "binary_version": "8.05-1"
        },
        {
            "binary_name": "openconnect",
            "binary_version": "8.05-1"
        }
    ]
}