Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered that Bind incorrectly handled the cache size limit. A remote attacker could possibly use this issue to consume memory, leading to a denial of service. (CVE-2023-2828)
It was discovered that Bind incorrectly handled the recursive-clients quota. A remote attacker could possibly use this issue to cause Bind to crash, resulting in a denial of service. This issue only affected Ubuntu 22.04 LTS, Ubuntu 22.10, and Ubuntu 23.04. (CVE-2023-2911)
{
"binaries": [
{
"binary_version": "1:9.16.1-0ubuntu2.15",
"binary_name": "bind9"
},
{
"binary_version": "1:9.16.1-0ubuntu2.15",
"binary_name": "bind9-dnsutils"
},
{
"binary_version": "1:9.16.1-0ubuntu2.15",
"binary_name": "bind9-host"
},
{
"binary_version": "1:9.16.1-0ubuntu2.15",
"binary_name": "bind9-libs"
},
{
"binary_version": "1:9.16.1-0ubuntu2.15",
"binary_name": "bind9-utils"
},
{
"binary_version": "1:9.16.1-0ubuntu2.15",
"binary_name": "bind9utils"
},
{
"binary_version": "1:9.16.1-0ubuntu2.15",
"binary_name": "dnsutils"
}
],
"availability": "No subscription required"
}
{
"cves": [
{
"id": "CVE-2023-2828",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-2911",
"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": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:20.04:LTS"
}
{
"binaries": [
{
"binary_version": "1:9.18.12-0ubuntu0.22.04.2",
"binary_name": "bind9"
},
{
"binary_version": "1:9.18.12-0ubuntu0.22.04.2",
"binary_name": "bind9-dev"
},
{
"binary_version": "1:9.18.12-0ubuntu0.22.04.2",
"binary_name": "bind9-dnsutils"
},
{
"binary_version": "1:9.18.12-0ubuntu0.22.04.2",
"binary_name": "bind9-host"
},
{
"binary_version": "1:9.18.12-0ubuntu0.22.04.2",
"binary_name": "bind9-libs"
},
{
"binary_version": "1:9.18.12-0ubuntu0.22.04.2",
"binary_name": "bind9-utils"
},
{
"binary_version": "1:9.18.12-0ubuntu0.22.04.2",
"binary_name": "bind9utils"
},
{
"binary_version": "1:9.18.12-0ubuntu0.22.04.2",
"binary_name": "dnsutils"
}
],
"availability": "No subscription required"
}
{
"cves": [
{
"id": "CVE-2023-2828",
"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": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-2911",
"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": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:22.04:LTS"
}