Home/CVE/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 un
CVE

CVE-2018-18066

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 un

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.

HIGH · CVSS 7.5 EPSS 0.0059
Act now
  • Public exploit or PoC is available
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

7
net-snmp< 5.8
netapp cloud backupall versions
netapp hyper converged infrastructureall versions
netapp storagegrid webscaleall versions
netapp data ontapall versions
netapp e-series santricity os controller>= 11.0 and <= 11.5
netapp solidfire element osall versions
⚠

Public Exploits & PoCs

1
pocdumpco.re · net-snmp-5.7.3-remote-dosdumpco.re
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD08 Oct 2018 · 06:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
yes
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
rhsaRHSA-2020:1081Moderate
rhsaRHSA-2020:2539Moderate
cisa-csafcisa-csaf-csaf_files-OT-white-2023-icsa-23-234-01
🔗

References & Sources

4
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://security.netapp.com/advisory/ntap-20181107-0001/Third Party Advisory
https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/PatchThird Party Advisory
https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/PatchThird Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
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