CVE-2017-16820: Double Free
Published Nov 14, 2017
·Updated
The csnmpreadtable function in snmp.c in the SNMP plugin in collectd before 5.6.3 is susceptible to a double free in a certain error case, which could lead to a crash (or potentially have other impact).
Affected Software
5 affected componentsFixes available
debian/collectd<=5.7.2-2, <=5.7.1-1.1
redhat/collectd<5.8.0
5.8.0
redhat/collectd<5.6.3
5.6.3
debian/collectd
5.12.0-75.12.0-145.12.0-22
collectd collectd<5.6.3
Remediation
Event History
Nov 14, 2017
CVE Published
via MITRE·09:00 PM
Data Sourced
via MITRE·09:00 PM
Description
Frequently Asked Questions
1
What is the severity of CVE-2017-16820?
CVE-2017-16820 has a medium severity level as it can lead to a crash of the application.
2
How do I fix CVE-2017-16820?
To fix CVE-2017-16820, upgrade to collectd version 5.8.0 or later.
3
What versions are affected by CVE-2017-16820?
CVE-2017-16820 affects collectd versions prior to 5.6.3 and versions 5.7.2 or lower.
4
Can CVE-2017-16820 lead to data loss?
CVE-2017-16820 may not directly cause data loss, but it can lead to application instability which could impact data collection.
5
Is CVE-2017-16820 exploitable remotely?
CVE-2017-16820 is not considered exploitable remotely as it requires access to the application itself.