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.

Score

CVSS 3.1 6.5 Medium

Status

Modified - cve@mitre.org

Published

2020-06-25

Last modified

2024-08-05

Weaknesses

CWE-415

Affected products

• Net-snmp (Net-snmp)
• Zfs Storage Appliance Kit (Oracle)

References

• http://www.openwall.com/lists/oss-security/2020/06/25/4
• https://bugs.launchpad.net/ubuntu/+source/net-snmp/+bug/1877027
• https://bugzilla.redhat.com/show_bug.cgi?id=1663027
• https://github.com/net-snmp/net-snmp/commit/5f881d3bf24599b90d67a45cae7a3eb099cd71c9
• https://security.gentoo.org/glsa/202008-12
• https://sourceforge.net/p/net-snmp/bugs/2923/
• https://usn.ubuntu.com/4410-1/
• https://www.oracle.com/security-alerts/cpujan2021.html