Vulnerability-Lookup

ubuntu-cve-2019-20892

Vulnerability from osv_ubuntu

Published

2020-06-25 10:15

Modified

2026-04-22 07:39

Summary

Details

net-snmp before 5.8.1.pre1 has a double free in usm_free_usmStateReference in snmplib/snmpusm.c via an SNMPv3 GetBulk request. NOTE: this affects net-snmp packages shipped to end users by multiple Linux distributions, but might not affect an upstream release.

Severity

6.5 (Medium)


                    
                      CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2019-20892	REPORT
	https://www.openwall.com/lists/oss-security/2020/…	REPORT
	http://www.openwall.com/lists/oss-security/2020/06/25/4	REPORT
	https://ubuntu.com/security/notices/USN-4410-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2019-20892	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libsnmp-base",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "libsnmp-perl",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "libsnmp35",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "snmp",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "snmpd",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "snmptrapd",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "tkmib",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "net-snmp",
        "purl": "pkg:deb/ubuntu/net-snmp@5.8+dfsg-2ubuntu2.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.8+dfsg-2ubuntu2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.7.3+dfsg-5ubuntu5",
        "5.7.3+dfsg-5ubuntu6",
        "5.8+dfsg-2ubuntu1",
        "5.8+dfsg-2ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "net-snmp before 5.8.1.pre1 has a double free in usm_free_usmStateReference in snmplib/snmpusm.c via an SNMPv3 GetBulk request. NOTE: this affects net-snmp packages shipped to end users by multiple Linux distributions, but might not affect an upstream release.",
  "id": "UBUNTU-CVE-2019-20892",
  "modified": "2026-04-22T07:39:15Z",
  "published": "2020-06-25T10:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-20892"
    },
    {
      "type": "REPORT",
      "url": "https://www.openwall.com/lists/oss-security/2020/06/25/4"
    },
    {
      "type": "REPORT",
      "url": "http://www.openwall.com/lists/oss-security/2020/06/25/4"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4410-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-20892"
    }
  ],
  "related": [
    "USN-4410-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-20892"
  ]
}

CVE-2019-20892 (GCVE-0-2019-20892)

Vulnerability from cvelistv5 – Published: 2020-06-25 09:07 – Updated: 2024-08-05 02:53

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre

References

8 references

URL	Tags
https://bugs.launchpad.net/ubuntu/+source/net-snm…	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=1663027	x_refsource_MISC
https://sourceforge.net/p/net-snmp/bugs/2923/	x_refsource_MISC
https://github.com/net-snmp/net-snmp/commit/5f881…	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/06/25/4	mailing-listx_refsource_MLIST
https://usn.ubuntu.com/4410-1/	vendor-advisoryx_refsource_UBUNTU
https://security.gentoo.org/glsa/202008-12	vendor-advisoryx_refsource_GENTOO
https://www.oracle.com/security-alerts/cpujan2021.html	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-05T02:53:09.438Z",
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              "x_transferred"
            ],
            "url": "https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027"
          },
          {
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              "x_refsource_MISC",
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1663027"
          },
          {
            "tags": [
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            ],
            "url": "https://sourceforge.net/p/net-snmp/bugs/2923/"
          },
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            "name": "[oss-security] 20200625 [cve-request@...re.org: Re: [scr916814] net-snmp - Perhaps only unreleased development versions; fix appears to be in v5.8.1.pre1]",
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          {
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              "x_refsource_MISC",
              "x_transferred"
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            "url": "https://www.oracle.com/security-alerts/cpujan2021.html"
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        ],
        "title": "CVE Program Container"
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      "descriptions": [
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      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2021-01-20T14:42:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          "url": "https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027"
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            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1663027"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://sourceforge.net/p/net-snmp/bugs/2923/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/net-snmp/net-snmp/commit/5f881d3bf24599b90d67a45cae7a3eb099cd71c9"
        },
        {
          "name": "[oss-security] 20200625 [cve-request@...re.org: Re: [scr916814] net-snmp - Perhaps only unreleased development versions; fix appears to be in v5.8.1.pre1]",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "http://www.openwall.com/lists/oss-security/2020/06/25/4"
        },
        {
          "name": "USN-4410-1",
          "tags": [
            "vendor-advisory",
            "x_refsource_UBUNTU"
          ],
          "url": "https://usn.ubuntu.com/4410-1/"
        },
        {
          "name": "GLSA-202008-12",
          "tags": [
            "vendor-advisory",
            "x_refsource_GENTOO"
          ],
          "url": "https://security.gentoo.org/glsa/202008-12"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.oracle.com/security-alerts/cpujan2021.html"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-20892",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
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                  ]
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                "vendor_name": "n/a"
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            ]
          }
        },
        "data_format": "MITRE",
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        "data_version": "4.0",
        "description": {
          "description_data": [
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              "lang": "eng",
              "value": "net-snmp before 5.8.1.pre1 has a double free in usm_free_usmStateReference in snmplib/snmpusm.c via an SNMPv3 GetBulk request. NOTE: this affects net-snmp packages shipped to end users by multiple Linux distributions, but might not affect an upstream release."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
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        },
        "references": {
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            {
              "name": "https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027",
              "refsource": "MISC",
              "url": "https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1663027",
              "refsource": "MISC",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1663027"
            },
            {
              "name": "https://sourceforge.net/p/net-snmp/bugs/2923/",
              "refsource": "MISC",
              "url": "https://sourceforge.net/p/net-snmp/bugs/2923/"
            },
            {
              "name": "https://github.com/net-snmp/net-snmp/commit/5f881d3bf24599b90d67a45cae7a3eb099cd71c9",
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              "url": "https://github.com/net-snmp/net-snmp/commit/5f881d3bf24599b90d67a45cae7a3eb099cd71c9"
            },
            {
              "name": "[oss-security] 20200625 [cve-request@...re.org: Re: [scr916814] net-snmp - Perhaps only unreleased development versions; fix appears to be in v5.8.1.pre1]",
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              "url": "http://www.openwall.com/lists/oss-security/2020/06/25/4"
            },
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              "url": "https://usn.ubuntu.com/4410-1/"
            },
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    "datePublished": "2020-06-25T09:07:42.000Z",
    "dateReserved": "2020-06-25T00:00:00.000Z",
    "dateUpdated": "2024-08-05T02:53:09.438Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

usn-4410-1

Vulnerability from osv_ubuntu

Published

2020-07-02 19:23

Modified

2026-04-22 07:36

Summary

net-snmp vulnerability

Details

A double-free bug was discovered in snmpd server. An authenticated user could potentially cause a DoS by sending a crafted request to the server. (CVE-2019-20892)

References

URL

Type

	https://ubuntu.com/security/notices/USN-4410-1	ADVISORY
	https://ubuntu.com/security/CVE-2019-20892	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2019-20892",
              "severity": [
                {
                  "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:20.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "libsnmp-base",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "libsnmp-perl",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "libsnmp35",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "snmp",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "snmpd",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "snmptrapd",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          },
          {
            "binary_name": "tkmib",
            "binary_version": "5.8+dfsg-2ubuntu2.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "net-snmp",
        "purl": "pkg:deb/ubuntu/net-snmp@5.8+dfsg-2ubuntu2.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.8+dfsg-2ubuntu2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "5.7.3+dfsg-5ubuntu5",
        "5.7.3+dfsg-5ubuntu6",
        "5.8+dfsg-2ubuntu1",
        "5.8+dfsg-2ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "A double-free bug was discovered in snmpd server. An authenticated user could\npotentially cause a DoS by sending a crafted request to the server.\n(CVE-2019-20892)\n",
  "id": "USN-4410-1",
  "modified": "2026-04-22T07:36:39Z",
  "published": "2020-07-02T19:23:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-4410-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-20892"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "net-snmp vulnerability",
  "upstream": [
    "UBUNTU-CVE-2019-20892"
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

ubuntu-cve-2019-20892

Vulnerability from osv_ubuntu

CVE-2019-20892 (GCVE-0-2019-20892)

usn-4410-1

Vulnerability from osv_ubuntu

Tags

Sightings

Nomenclature