Double Free Affecting net-snmp package, versions [,5.8.1)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.5% (66th percentile)

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  • Snyk IDSNYK-UNMANAGED-NETSNMP-2380701
  • published26 Jan 2022
  • disclosed25 Jun 2020
  • creditUnknown

Introduced: 25 Jun 2020

CVE-2019-20892  (opens in a new tab)
CWE-415  (opens in a new tab)

How to fix?

Upgrade net-snmp to version 5.8.1 or higher.

Overview

net-snmp is a SNMP application library, tools and daemon

Affected versions of this package are vulnerable to Double Free 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

CVSS Base Scores

version 3.1