USN-3810-1 (UBUNTU-CVE-2018-11574)
Vulnerability from osv_ubuntu – Published: 2018-11-06 16:12 – Updated: 2026-04-22 07:36 – Source website
VLAI
Summary
ppp vulnerability
Details
Ivan Gotovchits discovered that ppp incorrectly handled the EAP-TLS protocol. A remote attacker could use this issue to cause ppp to crash, resulting in a denial of service, or possibly bypass authentication.
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2018-11574",
"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": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"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:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "ppp",
"binary_version": "2.4.5-5.1ubuntu2.3"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "ppp",
"purl": "pkg:deb/ubuntu/ppp@2.4.5-5.1ubuntu2.3?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.5-5.1ubuntu2.3"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.4.5-5.1ubuntu2",
"2.4.5-5.1ubuntu2.1",
"2.4.5-5.1ubuntu2.2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2018-11574",
"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": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"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": "ppp",
"binary_version": "2.4.7-1+2ubuntu1.16.04.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "ppp",
"purl": "pkg:deb/ubuntu/ppp@2.4.7-1+2ubuntu1.16.04.1?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.7-1+2ubuntu1.16.04.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.4.6-3.1ubuntu1",
"2.4.7-1+1ubuntu1",
"2.4.7-1+2ubuntu1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2018-11574",
"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": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"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": "ppp",
"binary_version": "2.4.7-2+2ubuntu1.1"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "ppp",
"purl": "pkg:deb/ubuntu/ppp@2.4.7-2+2ubuntu1.1?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.7-2+2ubuntu1.1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.4.7-1+2ubuntu1",
"2.4.7-1+4ubuntu1",
"2.4.7-1+4ubuntu3",
"2.4.7-2+1ubuntu1",
"2.4.7-2+2ubuntu1"
]
}
],
"aliases": [],
"details": "Ivan Gotovchits discovered that ppp incorrectly handled the EAP-TLS\nprotocol. A remote attacker could use this issue to cause ppp to crash,\nresulting in a denial of service, or possibly bypass authentication.\n",
"id": "USN-3810-1",
"modified": "2026-04-22T07:36:36Z",
"published": "2018-11-06T16:12:08Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3810-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-11574"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "ppp vulnerability",
"upstream": [
"UBUNTU-CVE-2018-11574"
]
}
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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.
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- 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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
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