CVE-2020-12823

Source
https://cve.org/CVERecord?id=CVE-2020-12823
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12823.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-12823
Downstream
Related
Published
2020-05-12T18:15:13.473Z
Modified
2026-07-08T05:56:31.715955368Z
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

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.

Database specific
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "debian:debian_linux"
        },
        {
            "cpes": [
                "cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*",
                "cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "30"
                },
                {
                    "last_affected": "30"
                },
                {
                    "introduced": "31"
                },
                {
                    "last_affected": "31"
                },
                {
                    "introduced": "32"
                },
                {
                    "last_affected": "32"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "fedoraproject:fedora"
        },
        {
            "cpes": [
                "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*",
                "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "15.1"
                },
                {
                    "last_affected": "15.1"
                },
                {
                    "introduced": "15.2"
                },
                {
                    "last_affected": "15.2"
                }
            ],
            "source": "CPE_STRING",
            "vendor_product": "opensuse:leap"
        }
    ]
}
References

Affected packages

Git / github.com/openconnect/openconnect

Affected ranges

Type
GIT
Repo
https://github.com/openconnect/openconnect
Events
Database specific
{
    "cpe": "cpe:2.3:a:infradead:openconnect:8.09:*:*:*:*:*:*:*",
    "source": "CPE_STRING",
    "extracted_events": [
        {
            "introduced": "8.09"
        },
        {
            "last_affected": "8.09"
        }
    ]
}

Affected versions

8.*
8.09
v8.*
v8.09

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12823.json"