CVE-2018-18066NULL Pointer Dereference in Net-snmp

Severity
7.5HIGHNVD
EPSS
0.6%
top 30.76%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 8
Latest updateAug 22

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

Debiannet-snmp/net-snmp< 5.7.3+dfsg-1.1+3

Patches

🔴Vulnerability Details

3
GHSA
GHSA-9mpr-24m6-767p: snmp_oid_compare in snmplib/snmp_api2022-05-13
CVEList
CVE-2018-18066: snmp_oid_compare in snmplib/snmp_api2018-10-08
OSV
CVE-2018-18066: snmp_oid_compare in snmplib/snmp_api2018-10-08

📋Vendor Advisories

3
CISA ICS
​Hitachi Energy AFF66x2023-08-22
Debian
CVE-2018-18066: net-snmp - snmp_oid_compare in snmplib/snmp_api.c in Net-SNMP before 5.8 has a NULL Pointer...2018
Red Hat
net-snmp: NULL pointer exception in snmp_oid_compare in snmplib/snmp_api.c resulting in a denial of service2015-10-06

💬Community

3
Bugzilla
CVE-2018-18065 CVE-2018-18066 net-snmp: various flaws [fedora-all]2018-10-09
Bugzilla
CVE-2018-18065 net-snmp: NULL pointer exception in _set_key in agent/helpers/table_container.c resulting in a denial of service2018-10-09
Bugzilla
CVE-2018-18066 net-snmp: NULL pointer exception in snmp_oid_compare in snmplib/snmp_api.c resulting in a denial of service2018-10-09
CVE-2018-18066 — NULL Pointer Dereference in Net-snmp | cvebase