USN-5179-1 fixed vulnerabilities in BusyBox. This update provides the corresponding updates for Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that BusyBox incorrectly handled certain malformed gzip archives. If a user or automated system were tricked into processing a specially crafted gzip archive, a remote attacker could use this issue to cause BusyBox to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-28831)
{
"binaries": [
{
"binary_name": "busybox",
"binary_version": "1:1.22.0-15ubuntu1.4+esm1"
},
{
"binary_name": "busybox-initramfs",
"binary_version": "1:1.22.0-15ubuntu1.4+esm1"
},
{
"binary_name": "busybox-static",
"binary_version": "1:1.22.0-15ubuntu1.4+esm1"
},
{
"binary_name": "busybox-syslogd",
"binary_version": "1:1.22.0-15ubuntu1.4+esm1"
},
{
"binary_name": "udhcpc",
"binary_version": "1:1.22.0-15ubuntu1.4+esm1"
},
{
"binary_name": "udhcpd",
"binary_version": "1:1.22.0-15ubuntu1.4+esm1"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
{
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"cves": [
{
"id": "CVE-2021-28831",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "Ubuntu",
"score": "low"
}
]
}
]
}