CVE-2018-18066

moderate-risk
Published 2018-10-08

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.

Do I need to act?

-
0.59% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (7)

Net-Snmp
Hyper Converged Infrastructure
Storagegrid Webscale
Solidfire Element Os

Affected Vendors

Net-Snmp Netapp

References (10)

Exploit https://dumpco.re/blog/net-snmp-5.7.3-remote-dos
Third Party Advisory https://security.netapp.com/advisory/ntap-20181107-0001/
Patch https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c4...
Patch https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914...
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Exploit https://dumpco.re/blog/net-snmp-5.7.3-remote-dos
Third Party Advisory https://security.netapp.com/advisory/ntap-20181107-0001/
Patch https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c4...
Patch https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914...
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
42
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 2/34 · Minimal
Exposure 14/34 · Moderate