USN-4417-1 fixed a vulnerability in NSS. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.
Original advisory details:
Cesar Pereida, Billy Bob Brumley, Yuval Yarom, and Nicola Tuveri discovered that NSS incorrectly handled RSA key generation. A local attacker could possibly use this issue to perform a timing attack and recover RSA keys.
{
"binaries": [
{
"binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm6",
"binary_name": "libnss3"
},
{
"binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm6",
"binary_name": "libnss3-1d"
},
{
"binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm6",
"binary_name": "libnss3-dev"
},
{
"binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm6",
"binary_name": "libnss3-nssdb"
},
{
"binary_version": "2:3.28.4-0ubuntu0.14.04.5+esm6",
"binary_name": "libnss3-tools"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
{
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"cves": [
{
"id": "CVE-2020-12402",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4417-2.json"