USN-2686-1 (UBUNTU-CVE-2015-3183)
Vulnerability from osv_ubuntu – Published: 2015-07-27 17:47 – Updated: 2026-04-22 07:36 – Source website
VLAI
Summary
apache2 vulnerabilities
Details
It was discovered that the Apache HTTP Server incorrectly parsed chunk headers. A remote attacker could possibly use this issue to perform HTTP request smuggling attacks. (CVE-2015-3183)
It was discovered that the Apache HTTP Server incorrectly handled the ap_some_auth_required API. A remote attacker could possibly use this issue to bypass intended access restrictions. This issue only affected Ubuntu 14.04 LTS and Ubuntu 15.04. (CVE-2015-3185)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2015-3183",
"severity": [
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2015-3185",
"severity": [
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "apache2",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "apache2-bin",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "apache2-data",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "apache2-mpm-event",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "apache2-mpm-itk",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "apache2-mpm-prefork",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "apache2-mpm-worker",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "apache2-suexec",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "apache2-suexec-custom",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "apache2-suexec-pristine",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "apache2-utils",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "apache2.2-bin",
"binary_version": "2.4.7-1ubuntu4.5"
},
{
"binary_name": "libapache2-mod-macro",
"binary_version": "1:2.4.7-1ubuntu4.5"
},
{
"binary_name": "libapache2-mod-proxy-html",
"binary_version": "1:2.4.7-1ubuntu4.5"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "apache2",
"purl": "pkg:deb/ubuntu/apache2@2.4.7-1ubuntu4.5?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.4.7-1ubuntu4.5"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"2.4.6-2ubuntu2",
"2.4.6-2ubuntu3",
"2.4.6-2ubuntu4",
"2.4.7-1ubuntu1",
"2.4.7-1ubuntu2",
"2.4.7-1ubuntu3",
"2.4.7-1ubuntu4",
"2.4.7-1ubuntu4.1",
"2.4.7-1ubuntu4.4"
]
}
],
"aliases": [],
"details": "It was discovered that the Apache HTTP Server incorrectly parsed chunk\nheaders. A remote attacker could possibly use this issue to perform HTTP\nrequest smuggling attacks. (CVE-2015-3183)\n\nIt was discovered that the Apache HTTP Server incorrectly handled the\nap_some_auth_required API. A remote attacker could possibly use this issue\nto bypass intended access restrictions. This issue only affected Ubuntu\n14.04 LTS and Ubuntu 15.04. (CVE-2015-3185)\n",
"id": "USN-2686-1",
"modified": "2026-04-22T07:36:32Z",
"published": "2015-07-27T17:47:11Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-2686-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-3183"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2015-3185"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "apache2 vulnerabilities",
"upstream": [
"UBUNTU-CVE-2015-3183",
"UBUNTU-CVE-2015-3185"
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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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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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