cve/2018/CVE-2018-18066.md

### [CVE-2018-18066](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18066)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

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.

### POC

#### Reference
- https://dumpco.re/blog/net-snmp-5.7.3-remote-dos
- https://dumpco.re/blog/net-snmp-5.7.3-remote-dos
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/NandanBharadwaj/docker-snmpd