CVE-2019-20892

CVSS V2 Medium 4 CVSS V3 Medium 6.5
Description
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.
Overview
  • CVE ID
  • CVE-2019-20892
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-06-25T10:15:10
  • Last Modified Date
  • 2022-09-02T15:31:24
Weakness Enumerations
CWE URL
CWE-415 http://cwe.mitre.org/data/definitions/415.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:net-snmp:net-snmp:*:*:*:*:*:*:*:* 1 OR 5.8
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://sourceforge.net/p/net-snmp/bugs/2923/ Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1663027 Exploit Issue Tracking Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027 Exploit Issue Tracking Third Party Advisory
https://github.com/net-snmp/net-snmp/commit/5f881d3bf24599b90d67a45cae7a3eb099cd71c9 Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/06/25/4 Exploit Mailing List Third Party Advisory
https://usn.ubuntu.com/4410-1/ Third Party Advisory
https://security.gentoo.org/glsa/202008-12
https://www.oracle.com/security-alerts/cpujan2021.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-20892
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20892
History
Created Old Value New Value Data Type Notes
2022-05-10 07:26:47 Added to TrackCVE
2022-12-04 18:43:16 2020-06-25T10:15Z 2020-06-25T10:15:10 CVE Published Date updated
2022-12-04 18:43:16 2022-09-02T15:31:24 CVE Modified Date updated
2022-12-04 18:43:16 Analyzed Vulnerability Status updated