Double Free Affecting net-snmp package, versions <5.8+dfsg-3
Threat Intelligence
EPSS
0.59% (79th
percentile)
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Test your applications- Snyk ID SNYK-DEBIANUNSTABLE-NETSNMP-573319
- published 25 Jun 2020
- disclosed 25 Jun 2020
Introduced: 25 Jun 2020
CVE-2019-20892 Open this link in a new tabHow to fix?
Upgrade Debian:unstable net-snmp to version 5.8+dfsg-3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream net-snmp package and not the net-snmp package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
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.
References
- https://security-tracker.debian.org/tracker/CVE-2019-20892
- https://security.gentoo.org/glsa/202008-12
- 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://sourceforge.net/p/net-snmp/bugs/2923/
- https://www.oracle.com/security-alerts/cpujan2021.html
- http://www.openwall.com/lists/oss-security/2020/06/25/4
- https://usn.ubuntu.com/4410-1/
CVSS Scores
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