usn-3834-1
Vulnerability from osv_ubuntu
Published
2018-12-03 17:36
Modified
2026-04-22 07:36
Summary
perl vulnerabilities
Details
Jayakrishna Menon discovered that Perl incorrectly handled Perl_my_setenv. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2018-18311)
Eiichi Tsukata discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-18312)
Eiichi Tsukata discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service. (CVE-2018-18313)
Jakub Wilk discovered that Perl incorrectly handled certain regular expressions. An attacker could use this issue to cause Perl to crash, resulting in a denial of service. This issue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-18314)
References
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2018-18311",
"severity": [
{
"score": "CVSS:3.0/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-2018-18313",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libcgi-fast-perl",
"binary_version": "5.18.2-2ubuntu1.7"
},
{
"binary_name": "libperl5.18",
"binary_version": "5.18.2-2ubuntu1.7"
},
{
"binary_name": "perl",
"binary_version": "5.18.2-2ubuntu1.7"
},
{
"binary_name": "perl-base",
"binary_version": "5.18.2-2ubuntu1.7"
},
{
"binary_name": "perl-debug",
"binary_version": "5.18.2-2ubuntu1.7"
},
{
"binary_name": "perl-modules",
"binary_version": "5.18.2-2ubuntu1.7"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "perl",
"purl": "pkg:deb/ubuntu/perl@5.18.2-2ubuntu1.7?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.18.2-2ubuntu1.7"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.14.2-21build1",
"5.18.1-4",
"5.18.1-4build1",
"5.18.1-5",
"5.18.2-2",
"5.18.2-2ubuntu1",
"5.18.2-2ubuntu1.1",
"5.18.2-2ubuntu1.3",
"5.18.2-2ubuntu1.4",
"5.18.2-2ubuntu1.6"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2018-18311",
"severity": [
{
"score": "CVSS:3.0/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-2018-18312",
"severity": [
{
"score": "CVSS:3.0/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-2018-18313",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-18314",
"severity": [
{
"score": "CVSS:3.0/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:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libperl5.22",
"binary_version": "5.22.1-9ubuntu0.6"
},
{
"binary_name": "perl",
"binary_version": "5.22.1-9ubuntu0.6"
},
{
"binary_name": "perl-base",
"binary_version": "5.22.1-9ubuntu0.6"
},
{
"binary_name": "perl-debug",
"binary_version": "5.22.1-9ubuntu0.6"
},
{
"binary_name": "perl-modules-5.22",
"binary_version": "5.22.1-9ubuntu0.6"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "perl",
"purl": "pkg:deb/ubuntu/perl@5.22.1-9ubuntu0.6?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.22.1-9ubuntu0.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.20.2-6",
"5.22.1-3",
"5.22.1-4",
"5.22.1-5",
"5.22.1-7",
"5.22.1-8",
"5.22.1-9",
"5.22.1-9ubuntu0.2",
"5.22.1-9ubuntu0.3",
"5.22.1-9ubuntu0.5"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2018-18311",
"severity": [
{
"score": "CVSS:3.0/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-2018-18312",
"severity": [
{
"score": "CVSS:3.0/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-2018-18313",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2018-18314",
"severity": [
{
"score": "CVSS:3.0/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"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libperl5.26",
"binary_version": "5.26.1-6ubuntu0.3"
},
{
"binary_name": "perl",
"binary_version": "5.26.1-6ubuntu0.3"
},
{
"binary_name": "perl-base",
"binary_version": "5.26.1-6ubuntu0.3"
},
{
"binary_name": "perl-debug",
"binary_version": "5.26.1-6ubuntu0.3"
},
{
"binary_name": "perl-modules-5.26",
"binary_version": "5.26.1-6ubuntu0.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "perl",
"purl": "pkg:deb/ubuntu/perl@5.26.1-6ubuntu0.3?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.26.1-6ubuntu0.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.26.0-8ubuntu1",
"5.26.1-2ubuntu1",
"5.26.1-3",
"5.26.1-4",
"5.26.1-4build1",
"5.26.1-5",
"5.26.1-6",
"5.26.1-6ubuntu0.1",
"5.26.1-6ubuntu0.2"
]
}
],
"aliases": [],
"details": "Jayakrishna Menon discovered that Perl incorrectly handled Perl_my_setenv.\nAn attacker could use this issue to cause Perl to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. (CVE-2018-18311)\n\nEiichi Tsukata discovered that Perl incorrectly handled certain regular\nexpressions. An attacker could use this issue to cause Perl to crash,\nresulting in a denial of service, or possibly execute arbitrary code. This\nissue only affected Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 18.10.\n(CVE-2018-18312)\n\nEiichi Tsukata discovered that Perl incorrectly handled certain regular\nexpressions. An attacker could use this issue to cause Perl to crash,\nresulting in a denial of service. (CVE-2018-18313)\n\nJakub Wilk discovered that Perl incorrectly handled certain regular\nexpressions. An attacker could use this issue to cause Perl to crash,\nresulting in a denial of service. This issue only affected Ubuntu 16.04\nLTS, Ubuntu 18.04 LTS, and Ubuntu 18.10. (CVE-2018-18314)\n",
"id": "USN-3834-1",
"modified": "2026-04-22T07:36:36Z",
"published": "2018-12-03T17:36:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3834-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-18311"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-18312"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-18313"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-18314"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "perl vulnerabilities",
"upstream": [
"UBUNTU-CVE-2018-18311",
"UBUNTU-CVE-2018-18312",
"UBUNTU-CVE-2018-18313",
"UBUNTU-CVE-2018-18314"
]
}
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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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