USN-4315-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Maximilien Bourgeteau discovered that the Apport lock file was created with insecure permissions. This could allow a local attacker to escalate their privileges via a symlink attack. (CVE-2020-8831)
Maximilien Bourgeteau discovered a race condition in Apport when setting crash report permissions. This could allow a local attacker to read arbitrary files via a symlink attack. (CVE-2020-8833)
{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "apport",
"binary_version": "2.14.1-0ubuntu3.29+esm4"
},
{
"binary_name": "apport-gtk",
"binary_version": "2.14.1-0ubuntu3.29+esm4"
},
{
"binary_name": "apport-kde",
"binary_version": "2.14.1-0ubuntu3.29+esm4"
},
{
"binary_name": "apport-noui",
"binary_version": "2.14.1-0ubuntu3.29+esm4"
},
{
"binary_name": "apport-retrace",
"binary_version": "2.14.1-0ubuntu3.29+esm4"
},
{
"binary_name": "apport-valgrind",
"binary_version": "2.14.1-0ubuntu3.29+esm4"
},
{
"binary_name": "dh-apport",
"binary_version": "2.14.1-0ubuntu3.29+esm4"
},
{
"binary_name": "python-apport",
"binary_version": "2.14.1-0ubuntu3.29+esm4"
},
{
"binary_name": "python-problem-report",
"binary_version": "2.14.1-0ubuntu3.29+esm4"
},
{
"binary_name": "python3-apport",
"binary_version": "2.14.1-0ubuntu3.29+esm4"
},
{
"binary_name": "python3-problem-report",
"binary_version": "2.14.1-0ubuntu3.29+esm4"
}
]
}
{
"cves": [
{
"id": "CVE-2020-8831",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N"
},
{
"type": "Ubuntu",
"score": "high"
}
]
},
{
"id": "CVE-2020-8833",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:Pro:14.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4315-2.json"