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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 53%
VendorProductVersion
net-snmpnet-snmp
𝑥
≤ 5.8
oraclezfs_storage_appliance_kit
8.8
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
net-snmp
bullseye (security)
5.9+dfsg-4+deb11u1
fixed
bullseye
5.9+dfsg-4+deb11u1
fixed
buster
not-affected
stretch
not-affected
bookworm
5.9.3+dfsg-2
fixed
sid
5.9.4+dfsg-1.1
fixed
trixie
5.9.4+dfsg-1.1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
net-snmp
focal
Fixed 5.8+dfsg-2ubuntu2.1
released
eoan
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
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
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