NULL Pointer Dereference Affecting net-snmp-agent-libs package, versions <1:5.7.2-47.el7
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-RHEL7-NETSNMPAGENTLIBS-1521082
- published 26 Jul 2021
- disclosed 6 Oct 2015
Introduced: 6 Oct 2015
CVE-2018-18066 Open this link in a new tabHow to fix?
Upgrade RHEL:7 net-snmp-agent-libs to version 1:5.7.2-47.el7 or higher.
This issue was patched in RHSA-2020:1081.
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.
References
- https://security.netapp.com/advisory/ntap-20181107-0001/
- https://access.redhat.com/security/cve/CVE-2018-18066
- https://dumpco.re/blog/net-snmp-5.7.3-remote-dos
- https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/
- https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://access.redhat.com/errata/RHSA-2020:1081