CVE-2020-12823

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Source
https://cve.org/CVERecord?id=CVE-2020-12823
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-12823.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2020-12823
Downstream
DEBIAN (1)
MGASA (1)
openSUSE (3)
SUSE (3)
UBUNTU (1)
Related
openSUSE (3)
SUSE (3)
Published
2020-05-12T18:15:13Z
Modified
2026-07-07T08:50:18Z
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 get_cert_name 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
Introduced
946ebe7fbb124877f86dbca88dcdcfb889f7058f
Last Affected
946ebe7fbb124877f86dbca88dcdcfb889f7058f
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:infradead:openconnect:8.09:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "8.09"
        },
        {
            "last_affected":  "8.09"
        }
    ],
    "source":  "CPE_STRING"
}

Affected versions

8.*
8.09
v8.*
v8.09

Database specific

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