Felix Wilhelm discovered that FreeTDS incorrectly handled certain types after a protocol downgrade. A remote attacker could use this issue to cause FreeTDS to crash, resulting in a denial of service, or possibly execute arbitrary code.
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "freetds-bin",
"binary_version": "1.00.82-2ubuntu0.1"
},
{
"binary_name": "freetds-common",
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{
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{
"binary_name": "libct4",
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{
"binary_name": "libsybdb5",
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{
"binary_name": "tdsodbc",
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}
]
}
{
"cves": [
{
"id": "CVE-2019-13508",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4173-1.json"