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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

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

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

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 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	Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.html	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:net-snmp:net-snmp:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*

Information

Published : 2020-06-25 03:15

Updated : 2022-09-02 08:31

NVD link : CVE-2019-20892

Mitre link : CVE-2019-20892

JSON object : View

CWE

CWE-415

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Products Affected

oracle

zfs_storage_appliance_kit

net-snmp

net-snmp

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