Vulnerability CVE-2018-18066
Published: 2018-10-08

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.

Type:

CWE-476

 (NULL Pointer Dereference)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Netapp -> Cloud backup 
Netapp -> Hyper converged infrastructure 
Netapp -> Storagegrid webscale 
Netapp -> Data ontap 
Netapp -> Solidfire element os 
Net-snmp -> Net-snmp 

 References:
https://dumpco.re/blog/net-snmp-5.7.3-remote-dos
https://security.netapp.com/advisory/ntap-20181107-0001/
https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/
https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/
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