USN-4471-2
Vulnerability from osv_ubuntu – Published: 2020-09-01 12:47 – Updated: 2026-04-22 07:36 – Source website
VLAI
Summary
net-snmp regression
Details
USN-4471-1 fixed a vulnerability in Net-SNMP. The updated introduced a regression making nsExtendCacheTime not settable. This update fixes the problem adding the cacheTime feature flag.
Original advisory details:
Tobias Neitzel discovered that Net-SNMP incorrectly handled certain symlinks. An attacker could possibly use this issue to access sensitive information. (CVE-2020-15861)
It was discovered that Net-SNMP incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2020-15862)
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"database_specific": {
"cves_map": {
"cves": [],
"ecosystem": "Ubuntu:Pro:14.04:LTS"
}
},
"ecosystem_specific": {
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_name": "libsnmp-base",
"binary_version": "5.7.2~dfsg-8.1ubuntu3.3+esm2"
},
{
"binary_name": "libsnmp-perl",
"binary_version": "5.7.2~dfsg-8.1ubuntu3.3+esm2"
},
{
"binary_name": "libsnmp30",
"binary_version": "5.7.2~dfsg-8.1ubuntu3.3+esm2"
},
{
"binary_name": "python-netsnmp",
"binary_version": "5.7.2~dfsg-8.1ubuntu3.3+esm2"
},
{
"binary_name": "snmp",
"binary_version": "5.7.2~dfsg-8.1ubuntu3.3+esm2"
},
{
"binary_name": "snmpd",
"binary_version": "5.7.2~dfsg-8.1ubuntu3.3+esm2"
},
{
"binary_name": "tkmib",
"binary_version": "5.7.2~dfsg-8.1ubuntu3.3+esm2"
}
]
},
"package": {
"ecosystem": "Ubuntu:Pro:14.04:LTS",
"name": "net-snmp",
"purl": "pkg:deb/ubuntu/net-snmp@5.7.2~dfsg-8.1ubuntu3.3+esm2?arch=source\u0026distro=trusty/esm"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.7.2~dfsg-8.1ubuntu3.3+esm2"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.7.2~dfsg-8ubuntu1",
"5.7.2~dfsg-8ubuntu2",
"5.7.2~dfsg-8.1ubuntu1",
"5.7.2~dfsg-8.1ubuntu2",
"5.7.2~dfsg-8.1ubuntu3",
"5.7.2~dfsg-8.1ubuntu3.1",
"5.7.2~dfsg-8.1ubuntu3.2",
"5.7.2~dfsg-8.1ubuntu3.3",
"5.7.2~dfsg-8.1ubuntu3.3+esm1"
]
},
{
"database_specific": {
"cves_map": {
"cves": [],
"ecosystem": "Ubuntu:16.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libsnmp-base",
"binary_version": "5.7.3+dfsg-1ubuntu4.6"
},
{
"binary_name": "libsnmp-perl",
"binary_version": "5.7.3+dfsg-1ubuntu4.6"
},
{
"binary_name": "libsnmp30",
"binary_version": "5.7.3+dfsg-1ubuntu4.6"
},
{
"binary_name": "python-netsnmp",
"binary_version": "5.7.3+dfsg-1ubuntu4.6"
},
{
"binary_name": "snmp",
"binary_version": "5.7.3+dfsg-1ubuntu4.6"
},
{
"binary_name": "snmpd",
"binary_version": "5.7.3+dfsg-1ubuntu4.6"
},
{
"binary_name": "snmptrapd",
"binary_version": "5.7.3+dfsg-1ubuntu4.6"
},
{
"binary_name": "tkmib",
"binary_version": "5.7.3+dfsg-1ubuntu4.6"
}
]
},
"package": {
"ecosystem": "Ubuntu:16.04:LTS",
"name": "net-snmp",
"purl": "pkg:deb/ubuntu/net-snmp@5.7.3+dfsg-1ubuntu4.6?arch=source\u0026distro=xenial"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.7.3+dfsg-1ubuntu4.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.7.3+dfsg-1ubuntu2",
"5.7.3+dfsg-1ubuntu3",
"5.7.3+dfsg-1ubuntu4",
"5.7.3+dfsg-1ubuntu4.1",
"5.7.3+dfsg-1ubuntu4.2",
"5.7.3+dfsg-1ubuntu4.3",
"5.7.3+dfsg-1ubuntu4.4",
"5.7.3+dfsg-1ubuntu4.5"
]
},
{
"database_specific": {
"cves_map": {
"cves": [],
"ecosystem": "Ubuntu:18.04:LTS"
}
},
"ecosystem_specific": {
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libsnmp-base",
"binary_version": "5.7.3+dfsg-1.8ubuntu3.6"
},
{
"binary_name": "libsnmp-perl",
"binary_version": "5.7.3+dfsg-1.8ubuntu3.6"
},
{
"binary_name": "libsnmp30",
"binary_version": "5.7.3+dfsg-1.8ubuntu3.6"
},
{
"binary_name": "python-netsnmp",
"binary_version": "5.7.3+dfsg-1.8ubuntu3.6"
},
{
"binary_name": "snmp",
"binary_version": "5.7.3+dfsg-1.8ubuntu3.6"
},
{
"binary_name": "snmpd",
"binary_version": "5.7.3+dfsg-1.8ubuntu3.6"
},
{
"binary_name": "snmptrapd",
"binary_version": "5.7.3+dfsg-1.8ubuntu3.6"
},
{
"binary_name": "tkmib",
"binary_version": "5.7.3+dfsg-1.8ubuntu3.6"
}
]
},
"package": {
"ecosystem": "Ubuntu:18.04:LTS",
"name": "net-snmp",
"purl": "pkg:deb/ubuntu/net-snmp@5.7.3+dfsg-1.8ubuntu3.6?arch=source\u0026distro=bionic"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.7.3+dfsg-1.8ubuntu3.6"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"5.7.3+dfsg-1.7ubuntu1",
"5.7.3+dfsg-1.8ubuntu1",
"5.7.3+dfsg-1.8ubuntu2",
"5.7.3+dfsg-1.8ubuntu3",
"5.7.3+dfsg-1.8ubuntu3.1",
"5.7.3+dfsg-1.8ubuntu3.2",
"5.7.3+dfsg-1.8ubuntu3.3",
"5.7.3+dfsg-1.8ubuntu3.5"
]
}
],
"aliases": [],
"details": "USN-4471-1 fixed a vulnerability in Net-SNMP. The updated introduced a regression making\nnsExtendCacheTime not settable. This update fixes the problem adding the cacheTime feature flag.\n\nOriginal advisory details:\n\n Tobias Neitzel discovered that Net-SNMP incorrectly handled certain symlinks.\n An attacker could possibly use this issue to access sensitive information.\n (CVE-2020-15861)\n\n It was discovered that Net-SNMP incorrectly handled certain inputs.\n An attacker could possibly use this issue to execute arbitrary code.\n This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 LTS, Ubuntu\n 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2020-15862)\n",
"id": "USN-4471-2",
"modified": "2026-04-22T07:36:39Z",
"published": "2020-09-01T12:47:46Z",
"references": [
{
"type": "ADVISORY",
"url": "https://ubuntu.com/security/notices/USN-4471-2"
},
{
"type": "REPORT",
"url": "https://launchpad.net/bugs/1892980"
}
],
"related": [],
"schema_version": "1.7.0",
"summary": "net-snmp regression",
"upstream": []
}
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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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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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