CVE-2018-18066

Public Exploit

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.70% Top 30%
Third-Party Advisory dumpco.re Third-Party Advisory netapp.com Third-Party Advisory sourceforge.net Third-Party Advisory sourceforge.net
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d/ third party advisory patch
https://dumpco.re/blog/net-snmp-5.7.3-remote-dos exploit third party advisory patch
https://security.netapp.com/advisory/ntap-20181107-0001/ third party advisory
https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/ third party advisory patch
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

Frequently Asked Questions

What is the severity of CVE-2018-18066?
CVE-2018-18066 has been scored as a high severity vulnerability.
How to fix CVE-2018-18066?
To fix CVE-2018-18066, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-18066 being actively exploited in the wild?
It is possible that CVE-2018-18066 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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