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vuln-ubuntu/data/osv/usn/USN-6411-1.json
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{
"schema_version": "1.7.0",
"id": "USN-6411-1",
"summary": "exim4 vulnerabilities",
"details": "It was discovered that Exim incorrectly handled certain challenge requests.\nA remote attacker could possibly use this issue to perform out-of-bounds\nreads, resulting in information leakage. (CVE-2023-42114)\n\nIt was discovered that Exim incorrectly handled validation of user-supplied\ndata. A remote attacker could possibly use this issue to perform\nout-of-bounds writes, resulting in arbitrary code execution. This issue\nonly affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS and Ubuntu 23.04.\n(CVE-2023-42115)\n\nIt was discovered that Exim incorrectly handled certain challenge requests.\nA remote attacker could possibly use this issue to perform out-of-bounds\nwrites, resulting in arbitrary code execution. (CVE-2023-42116)\n",
"aliases": [],
"upstream": [
"UBUNTU-CVE-2023-42114",
"UBUNTU-CVE-2023-42115",
"UBUNTU-CVE-2023-42116"
],
"related": [],
"published": "2023-10-04T13:41:19Z",
"modified": "2026-06-29T10:53:04Z",
"affected": [
{
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "exim4",
"purl": "pkg:deb/ubuntu/exim4@4.82-3ubuntu2.4+esm6?arch=source&distro=trusty/esm"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.82-3ubuntu2.4+esm6"
}
]
}
],
"versions": [
"4.80-7ubuntu3",
"4.80-7ubuntu4",
"4.80-9ubuntu1",
"4.80-9ubuntu2",
"4.82-3ubuntu1",
"4.82-3ubuntu2",
"4.82-3ubuntu2.1",
"4.82-3ubuntu2.2",
"4.82-3ubuntu2.3",
"4.82-3ubuntu2.4",
"4.82-3ubuntu2.4+esm1",
"4.82-3ubuntu2.4+esm2",
"4.82-3ubuntu2.4+esm3",
"4.82-3ubuntu2.4+esm4"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "exim4",
"binary_version": "4.82-3ubuntu2.4+esm6"
},
{
"binary_name": "exim4-base",
"binary_version": "4.82-3ubuntu2.4+esm6"
},
{
"binary_name": "exim4-config",
"binary_version": "4.82-3ubuntu2.4+esm6"
},
{
"binary_name": "exim4-daemon-heavy",
"binary_version": "4.82-3ubuntu2.4+esm6"
},
{
"binary_name": "exim4-daemon-light",
"binary_version": "4.82-3ubuntu2.4+esm6"
},
{
"binary_name": "eximon4",
"binary_version": "4.82-3ubuntu2.4+esm6"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"cves": [
{
"id": "CVE-2023-42114",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-42116",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "exim4",
"purl": "pkg:deb/ubuntu/exim4@4.86.2-2ubuntu2.6+esm4?arch=source&distro=esm-infra/xenial"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.86.2-2ubuntu2.6+esm4"
}
]
}
],
"versions": [
"4.86-3ubuntu1",
"4.86-7ubuntu1",
"4.86-7ubuntu2",
"4.86-7ubuntu3",
"4.86.2-2ubuntu1",
"4.86.2-2ubuntu2",
"4.86.2-2ubuntu2.1",
"4.86.2-2ubuntu2.2",
"4.86.2-2ubuntu2.3",
"4.86.2-2ubuntu2.4",
"4.86.2-2ubuntu2.5",
"4.86.2-2ubuntu2.6",
"4.86.2-2ubuntu2.6+esm1",
"4.86.2-2ubuntu2.6+esm2"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "exim4",
"binary_version": "4.86.2-2ubuntu2.6+esm4"
},
{
"binary_name": "exim4-base",
"binary_version": "4.86.2-2ubuntu2.6+esm4"
},
{
"binary_name": "exim4-config",
"binary_version": "4.86.2-2ubuntu2.6+esm4"
},
{
"binary_name": "exim4-daemon-heavy",
"binary_version": "4.86.2-2ubuntu2.6+esm4"
},
{
"binary_name": "exim4-daemon-light",
"binary_version": "4.86.2-2ubuntu2.6+esm4"
},
{
"binary_name": "eximon4",
"binary_version": "4.86.2-2ubuntu2.6+esm4"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"cves": [
{
"id": "CVE-2023-42114",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-42116",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "exim4",
"purl": "pkg:deb/ubuntu/exim4@4.90.1-1ubuntu1.10+esm1?arch=source&distro=esm-infra/bionic"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.90.1-1ubuntu1.10+esm1"
}
]
}
],
"versions": [
"4.89-5ubuntu1",
"4.89-9ubuntu1",
"4.89-9ubuntu2",
"4.89-9ubuntu3",
"4.89-9ubuntu4",
"4.90.1-1ubuntu1",
"4.90.1-1ubuntu1.1",
"4.90.1-1ubuntu1.2",
"4.90.1-1ubuntu1.3",
"4.90.1-1ubuntu1.4",
"4.90.1-1ubuntu1.5",
"4.90.1-1ubuntu1.8",
"4.90.1-1ubuntu1.9",
"4.90.1-1ubuntu1.10"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "exim4",
"binary_version": "4.90.1-1ubuntu1.10+esm1"
},
{
"binary_name": "exim4-base",
"binary_version": "4.90.1-1ubuntu1.10+esm1"
},
{
"binary_name": "exim4-config",
"binary_version": "4.90.1-1ubuntu1.10+esm1"
},
{
"binary_name": "exim4-daemon-heavy",
"binary_version": "4.90.1-1ubuntu1.10+esm1"
},
{
"binary_name": "exim4-daemon-light",
"binary_version": "4.90.1-1ubuntu1.10+esm1"
},
{
"binary_name": "eximon4",
"binary_version": "4.90.1-1ubuntu1.10+esm1"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"cves": [
{
"id": "CVE-2023-42114",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-42116",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "exim4",
"purl": "pkg:deb/ubuntu/exim4@4.93-13ubuntu1.8?arch=source&distro=focal"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.93-13ubuntu1.8"
}
]
}
],
"versions": [
"4.92.1-1ubuntu3",
"4.92.1-1ubuntu4",
"4.93~RC2-1ubuntu1",
"4.93-9ubuntu1",
"4.93-11ubuntu1",
"4.93-12ubuntu1",
"4.93-13ubuntu1",
"4.93-13ubuntu1.1",
"4.93-13ubuntu1.5",
"4.93-13ubuntu1.6",
"4.93-13ubuntu1.7"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "exim4",
"binary_version": "4.93-13ubuntu1.8"
},
{
"binary_name": "exim4-base",
"binary_version": "4.93-13ubuntu1.8"
},
{
"binary_name": "exim4-config",
"binary_version": "4.93-13ubuntu1.8"
},
{
"binary_name": "exim4-daemon-heavy",
"binary_version": "4.93-13ubuntu1.8"
},
{
"binary_name": "exim4-daemon-light",
"binary_version": "4.93-13ubuntu1.8"
},
{
"binary_name": "eximon4",
"binary_version": "4.93-13ubuntu1.8"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:20.04:LTS",
"cves": [
{
"id": "CVE-2023-42114",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-42115",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-42116",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
},
{
"package": {
"ecosystem": "Ubuntu:22.04:LTS",
"name": "exim4",
"purl": "pkg:deb/ubuntu/exim4@4.95-4ubuntu2.3?arch=source&distro=jammy"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.95-4ubuntu2.3"
}
]
}
],
"versions": [
"4.94.2-7ubuntu2",
"4.95-2ubuntu2",
"4.95-4ubuntu1",
"4.95-4ubuntu2",
"4.95-4ubuntu2.1",
"4.95-4ubuntu2.2"
],
"ecosystem_specific": {
"binaries": [
{
"binary_name": "exim4",
"binary_version": "4.95-4ubuntu2.3"
},
{
"binary_name": "exim4-base",
"binary_version": "4.95-4ubuntu2.3"
},
{
"binary_name": "exim4-config",
"binary_version": "4.95-4ubuntu2.3"
},
{
"binary_name": "exim4-daemon-heavy",
"binary_version": "4.95-4ubuntu2.3"
},
{
"binary_name": "exim4-daemon-light",
"binary_version": "4.95-4ubuntu2.3"
},
{
"binary_name": "eximon4",
"binary_version": "4.95-4ubuntu2.3"
}
],
"availability": "No subscription required"
},
"database_specific": {
"cves_map": {
"ecosystem": "Ubuntu:22.04:LTS",
"cves": [
{
"id": "CVE-2023-42114",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-42115",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
},
{
"id": "CVE-2023-42116",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
]
}
}
}
],
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6411-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-42114"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-42115"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2023-42116"
}
]
}
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