usn-6584-1
Vulnerability from osv_ubuntu
Published
2024-01-15 17:17
Modified
2026-06-25 10:46
Summary
libspf2 vulnerabilities
Details
Philipp Jeitner and Haya Shulman discovered that Libspf2 incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2021-20314)
It was discovered that Libspf2 incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input file, a remote attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-33912, CVE-2021-33913)
References
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2021-20314",
"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:Pro:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libmail-spf-xs-perl",
"binary_version": "1.2.10-6ubuntu0.1~esm1"
},
{
"binary_name": "libspf2-2",
"binary_version": "1.2.10-6ubuntu0.1~esm1"
},
{
"binary_name": "spfquery",
"binary_version": "1.2.10-6ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "libspf2",
"purl": "pkg:deb/ubuntu/libspf2@1.2.10-6ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.10-6ubuntu0.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.2.10-6",
"1.2.10-6build1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2021-20314",
"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"
}
]
},
{
"id": "CVE-2021-33912",
"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"
}
]
},
{
"id": "CVE-2021-33913",
"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:Pro:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libmail-spf-xs-perl",
"binary_version": "1.2.10-7ubuntu0.18.04.1~esm1"
},
{
"binary_name": "libspf2-2",
"binary_version": "1.2.10-7ubuntu0.18.04.1~esm1"
},
{
"binary_name": "spfquery",
"binary_version": "1.2.10-7ubuntu0.18.04.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "libspf2",
"purl": "pkg:deb/ubuntu/libspf2@1.2.10-7ubuntu0.18.04.1~esm1?arch=source\u0026distro=esm-apps/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.10-7ubuntu0.18.04.1~esm1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.2.10-7build2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2021-20314",
"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"
}
]
},
{
"id": "CVE-2021-33912",
"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"
}
]
},
{
"id": "CVE-2021-33913",
"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:20.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libmail-spf-xs-perl",
"binary_version": "1.2.10-7+deb9u2build0.20.04.1"
},
{
"binary_name": "libspf2-2",
"binary_version": "1.2.10-7+deb9u2build0.20.04.1"
},
{
"binary_name": "spfquery",
"binary_version": "1.2.10-7+deb9u2build0.20.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:20.04:LTS",
"name": "libspf2",
"purl": "pkg:deb/ubuntu/libspf2@1.2.10-7+deb9u2build0.20.04.1?arch=source\u0026distro=focal"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.2.10-7+deb9u2build0.20.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1.2.10-7build3",
"1.2.10-7build4"
]
}
],
"aliases": [],
"details": "Philipp Jeitner and Haya Shulman discovered that Libspf2 incorrectly handled\ncertain inputs. If a user or an automated system were tricked into opening a\nspecially crafted input file, a remote attacker could possibly use this issue\nto cause a denial of service or execute arbitrary code. (CVE-2021-20314)\n\nIt was discovered that Libspf2 incorrectly handled certain inputs. If a user or\nan automated system were tricked into opening a specially crafted input file, a\nremote attacker could possibly use this issue to cause a denial of service or\nexecute arbitrary code. This issue only affected Ubuntu 18.04 LTS and \nUbuntu 20.04 LTS. (CVE-2021-33912, CVE-2021-33913)\n",
"id": "USN-6584-1",
"modified": "2026-06-25T10:46:18Z",
"published": "2024-01-15T17:17:57Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-6584-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-20314"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-33912"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2021-33913"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "libspf2 vulnerabilities",
"upstream": [
"UBUNTU-CVE-2021-20314",
"UBUNTU-CVE-2021-33912",
"UBUNTU-CVE-2021-33913"
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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