It was discovered that OpenVPN did not perform proper input validation when generating a TLS key under certain configuration, which could lead to a buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS. (CVE-2017-12166)
Reynir Björnsson discovered that OpenVPN incorrectly handled certain control channel messages with nonprintable characters. A remote attacker could possibly use this issue to cause OpenVPN to consume resources, or fill up log files with garbage, leading to a denial of service. (CVE-2024-5594)
{
"availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "2.3.2-7ubuntu3.2+esm2",
"binary_name": "openvpn"
}
]
}
{
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"cves": [
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
],
"id": "CVE-2017-12166"
},
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2024-5594"
}
]
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7340-1.json"
{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "2.3.10-1ubuntu2.2+esm2",
"binary_name": "openvpn"
}
]
}
{
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"cves": [
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
],
"id": "CVE-2017-12166"
},
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2024-5594"
}
]
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7340-1.json"
{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "2.4.4-2ubuntu1.7+esm1",
"binary_name": "openvpn"
}
]
}
{
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"cves": [
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2024-5594"
}
]
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7340-1.json"