USN-3276-1 (UBUNTU-CVE-2016-6252)
Vulnerability from osv_ubuntu – Published: 2017-05-05 07:12 – Updated: 2026-02-10 04:41 – Source website
VLAI
Summary
shadow vulnerabilities
Details
Sebastian Krahmer discovered integer overflows in shadow utilities. A local attacker could possibly cause them to crash or potentially gain privileges via crafted input. (CVE-2016-6252)
Tobias Stöckmann discovered a race condition in su. A local attacker could cause su to send SIGKILL to other processes with root privileges. (CVE-2017-2616)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2016-6252",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2017-2616",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/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": "login",
"binary_version": "1:4.1.5.1-1ubuntu9.4"
},
{
"binary_name": "passwd",
"binary_version": "1:4.1.5.1-1ubuntu9.4"
},
{
"binary_name": "uidmap",
"binary_version": "1:4.1.5.1-1ubuntu9.4"
}
]
},
"package": {
"ecosystem": "Ubuntu:14.04:LTS",
"name": "shadow",
"purl": "pkg:deb/ubuntu/shadow@1:4.1.5.1-1ubuntu9.4?arch=source\u0026distro=trusty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.1.5.1-1ubuntu9.4"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:4.1.5.1-1ubuntu6",
"1:4.1.5.1-1ubuntu7",
"1:4.1.5.1-1ubuntu8",
"1:4.1.5.1-1ubuntu9",
"1:4.1.5.1-1ubuntu9.1",
"1:4.1.5.1-1ubuntu9.2"
]
},
{
"database_specific": {
"cves_map": {
"cves": [
{
"id": "CVE-2016-6252",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
},
{
"id": "CVE-2017-2616",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
},
{
"score": "medium",
"type": "Ubuntu"
}
]
}
],
"ecosystem": "Ubuntu:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "login",
"binary_version": "1:4.2-3.1ubuntu5.2"
},
{
"binary_name": "passwd",
"binary_version": "1:4.2-3.1ubuntu5.2"
},
{
"binary_name": "uidmap",
"binary_version": "1:4.2-3.1ubuntu5.2"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "shadow",
"purl": "pkg:deb/ubuntu/shadow@1:4.2-3.1ubuntu5.2?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1:4.2-3.1ubuntu5.2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"1:4.1.5.1-1.1ubuntu7",
"1:4.2-3.1ubuntu1",
"1:4.2-3.1ubuntu2",
"1:4.2-3.1ubuntu3",
"1:4.2-3.1ubuntu4",
"1:4.2-3.1ubuntu5"
]
}
],
"aliases": [],
"details": "Sebastian Krahmer discovered integer overflows in shadow utilities.\nA local attacker could possibly cause them to crash or potentially\ngain privileges via crafted input. (CVE-2016-6252)\n\nTobias St\u00f6ckmann discovered a race condition in su. A local\nattacker could cause su to send SIGKILL to other processes with\nroot privileges. (CVE-2017-2616)\n",
"id": "USN-3276-1",
"modified": "2026-02-10T04:41:07Z",
"published": "2017-05-05T07:12:28Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-3276-1"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2016-6252"
},
{
"type": "REPORT",
"url": "https://ubuntu.com/security/CVE-2017-2616"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "shadow vulnerabilities",
"upstream": [
"UBUNTU-CVE-2016-6252",
"UBUNTU-CVE-2017-2616"
]
}
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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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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
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