NULL Pointer Dereference Affecting net-snmp-agent-libs package, versions <1:5.7.2-43.el7_7.6


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.39% (74th percentile)

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  • Snyk ID SNYK-RHEL7-NETSNMPAGENTLIBS-4939478
  • published 26 Jul 2021
  • disclosed 6 Oct 2015

How to fix?

Upgrade RHEL:7 net-snmp-agent-libs to version 1:5.7.2-43.el7_7.6 or higher.
This issue was patched in RHSA-2020:2539.

NVD Description

Note: Versions mentioned in the description apply only to the upstream net-snmp-agent-libs package and not the net-snmp-agent-libs package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

snmp_oid_compare in snmplib/snmp_api.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an unauthenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.