UBUNTU-CVE-2018-1000654 (CVE-2018-1000654)
Vulnerability from osv_ubuntu – Published: 2018-08-20 19:31 – Updated: 2026-04-22 07:38 – Source website
VLAI
Details
GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.
Severity
5.5 (Medium)
N/A (UNKNOWN)
References
{
"affected": [
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libtasn1-3-bin",
"binary_version": "3.4-3ubuntu0.6+esm1"
},
{
"binary_name": "libtasn1-6",
"binary_version": "3.4-3ubuntu0.6+esm1"
},
{
"binary_name": "libtasn1-bin",
"binary_version": "3.4-3ubuntu0.6+esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "libtasn1-6",
"purl": "pkg:deb/ubuntu/libtasn1-6@3.4-3ubuntu0.6+esm1?arch=source\u0026distro=esm-infra-legacy/trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"3.3-2",
"3.4-2",
"3.4-3",
"3.4-3ubuntu0.1",
"3.4-3ubuntu0.2",
"3.4-3ubuntu0.3",
"3.4-3ubuntu0.4",
"3.4-3ubuntu0.5",
"3.4-3ubuntu0.6",
"3.4-3ubuntu0.6+esm1"
]
},
{
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libtasn1-3-bin",
"binary_version": "4.7-3ubuntu0.16.04.3+esm2"
},
{
"binary_name": "libtasn1-6",
"binary_version": "4.7-3ubuntu0.16.04.3+esm2"
},
{
"binary_name": "libtasn1-bin",
"binary_version": "4.7-3ubuntu0.16.04.3+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"name": "libtasn1-6",
"purl": "pkg:deb/ubuntu/libtasn1-6@4.7-3ubuntu0.16.04.3+esm2?arch=source\u0026distro=esm-infra/xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.7-3ubuntu0.16.04.3+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.5-2",
"4.7-2",
"4.7-3",
"4.7-3ubuntu0.16.04.1",
"4.7-3ubuntu0.16.04.2",
"4.7-3ubuntu0.16.04.3"
]
},
{
"ecosystem_specific": {
"binaries": [
{
"binary_name": "libtasn1-6",
"binary_version": "4.13-2ubuntu0.1~esm1"
},
{
"binary_name": "libtasn1-bin",
"binary_version": "4.13-2ubuntu0.1~esm1"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"name": "libtasn1-6",
"purl": "pkg:deb/ubuntu/libtasn1-6@4.13-2ubuntu0.1~esm1?arch=source\u0026distro=esm-infra/bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"4.12-2.1",
"4.12-3",
"4.13-2",
"4.13-2ubuntu0.1~esm1"
]
}
],
"aliases": [],
"details": "GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12 contains a DoS, specifically CPU usage will reach 100% when running asn1Paser against the POC due to an issue in _asn1_expand_object_id(p_tree), after a long time, the program will be killed. This attack appears to be exploitable via parsing a crafted file.",
"id": "UBUNTU-CVE-2018-1000654",
"modified": "2026-04-22T07:38:48Z",
"published": "2018-08-20T19:31:00Z",
"references": [
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2018-1000654"
},
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-5352-1"
},
{
"type": "REPORT",
"url": "https://www.cve.org/CVERecord?id=CVE-2018-1000654"
}
],
"related": [
"USN-5352-1"
],
"schema_version": "1.7.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "negligible",
"type": "Ubuntu"
}
],
"upstream": [
"CVE-2018-1000654"
]
}
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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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- Not confirmed: The user expressed doubt about the validity of the vulnerability.
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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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