CVE-2018-18065

net-snmp 5.7.3 - (Authenticated) Denial of Service (PoC)

Severity Score

6.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

_set_key in agent/helpers/table_container.c in Net-SNMP before 5.8 has a NULL Pointer Exception bug that can be used by an authenticated attacker to remotely cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

_set_key en agent/helpers/table_container.c en Net-SNMP en versiones anteriores a la 5.8 tiene un error de excepción de puntero NULL que puede ser empleado por un atacante autenticado para provocar el cierre inesperado de la instancia de forma remota mediante un paquete UDP manipulado, lo que resulta en una denegación de servicio (DoS).

USN-3792-1 fixed a vulnerability in Net-SNMP. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that Net-SNMP incorrectly handled certain certain crafted packets. A remote attacker could possibly use this issue to cause Net-SNMP to crash, resulting in a denial of service. Various other issues were also addressed.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-10-08 CVE Reserved
2018-10-08 CVE Published
2024-08-05 CVE Updated
2024-08-05 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (12)

URL	Tag	Source
http://www.securityfocus.com/bid/106265	Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-978220.pdf	X_refsource_confirm
https://security.netapp.com/advisory/ntap-20181107-0001	Third Party Advisory
https://security.paloaltonetworks.com/CVE-2018-18065	X_refsource_confirm
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html	X_refsource_misc

URL	Date	SRC
https://www.exploit-db.com/exploits/45547	2024-08-05
https://dumpco.re/blog/net-snmp-5.7.3-remote-dos	2024-08-05

URL	Date	SRC
https://sourceforge.net/p/net-snmp/code/ci/7ffb8e25a0db851953155de91f0170e9bf8c457d	2019-10-16

URL	Date	SRC
https://usn.ubuntu.com/3792-1	2019-10-16
https://usn.ubuntu.com/3792-2	2019-10-16
https://usn.ubuntu.com/3792-3	2019-10-16
https://www.debian.org/security/2018/dsa-4314	2019-10-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Net-snmp Search vendor "Net-snmp"		Net-snmp Search vendor "Net-snmp" for product "Net-snmp"				< 5.8 Search vendor "Net-snmp" for product "Net-snmp" and version " < 5.8"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"		-		Affected
Netapp Search vendor "Netapp"		Cloud Backup Search vendor "Netapp" for product "Cloud Backup"				-		-		Affected
Netapp Search vendor "Netapp"		Hyper Converged Infrastructure Search vendor "Netapp" for product "Hyper Converged Infrastructure"				-		-		Affected
Netapp Search vendor "Netapp"		Storagegrid Webscale Search vendor "Netapp" for product "Storagegrid Webscale"				-		-		Affected
Netapp Search vendor "Netapp"		Data Ontap Search vendor "Netapp" for product "Data Ontap"				-		-		Affected
Netapp Search vendor "Netapp"		E-series Santricity Os Controller Search vendor "Netapp" for product "E-series Santricity Os Controller"				>= 11.0 <= 11.5 Search vendor "Netapp" for product "E-series Santricity Os Controller" and version " >= 11.0 <= 11.5"		-		Affected
Netapp Search vendor "Netapp"		Solidfire Element Os Search vendor "Netapp" for product "Solidfire Element Os"				-		-		Affected
Paloaltonetworks Search vendor "Paloaltonetworks"		Pan-os Search vendor "Paloaltonetworks" for product "Pan-os"				<= 7.1.22 Search vendor "Paloaltonetworks" for product "Pan-os" and version " <= 7.1.22"		-		Affected
Paloaltonetworks Search vendor "Paloaltonetworks"		Pan-os Search vendor "Paloaltonetworks" for product "Pan-os"				>= 7.1.23 <= 8.0.15 Search vendor "Paloaltonetworks" for product "Pan-os" and version " >= 7.1.23 <= 8.0.15"		-		Affected
Paloaltonetworks Search vendor "Paloaltonetworks"		Pan-os Search vendor "Paloaltonetworks" for product "Pan-os"				>= 8.0.16 <= 8.1.6 Search vendor "Paloaltonetworks" for product "Pan-os" and version " >= 8.0.16 <= 8.1.6"		-		Affected