CVE Vulnerability

CVE-2019-20892

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.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://sourceforge.net/p/net-snmp/bugs/2923/ Exploit Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1663027 Exploit Issue Tracking
https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027 Exploit Issue Tracking
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
https://usn.ubuntu.com/4410-1/ Third Party Advisory
https://security.gentoo.org/glsa/202008-12 Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:net-snmp:net-snmp:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
Information

Published : 2020-06-25 10:15

Updated : 2022-09-02 03:31

NVD link : CVE-2019-20892

Mitre link : CVE-2019-20892

Products Affected
No products.
CWE
CWE-415