USN-4236-1 fixed a vulnerability in Libgcrypt. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
It was discovered that Libgcrypt was susceptible to a ECDSA timing attack. An attacker could possibly use this attack to recover sensitive information.
{
"binaries": [
{
"binary_name": "libgcrypt11",
"binary_version": "1.5.3-2ubuntu4.6+esm1"
},
{
"binary_name": "libgcrypt11-dev",
"binary_version": "1.5.3-2ubuntu4.6+esm1"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
{
"cves": [
{
"id": "CVE-2019-13627",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:Pro:14.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4236-3.json"