CVE-2022-44792

net-snmp: NULL Pointer Exception when handling ipDefaultTTL

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker (who has write access) to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service.

handle_ipDefaultTTL en agent/mibgroup/ip-mib/ip_scalars.c en Net-SNMP 5.8 a 5.9.3 tiene un error de excepción de puntero NULL que puede ser utilizado por un atacante remoto (que tiene acceso de escritura) para provocar que la instancia se bloquee a través de un paquete UDP elaborado, lo que resulta en una Denegación de Servicio.

A vulnerability was found in Net-SNMP. This issue occurs because the handle_ipDefaultTTL function in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP has a NULL Pointer Exception flaw that allows a remote attacker (who has to write access) to cause the instance to crash via a crafted UDP packet, resulting in a denial of service.

*Credits: N/A

CVSS Scores

NISTv3.1 6.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-11-07 CVE Reserved
2022-11-07 CVE Published
2024-06-28 EPSS Updated
2024-08-03 CVE Updated
2024-08-03 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (6)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2023/01/msg00010.html	Mailing List
https://security.netapp.com/advisory/ntap-20230223-0011	Third Party Advisory

URL	Date	SRC
https://gist.github.com/menglong2234/b7bc13ae1a144f47cc3c95a7ea062428	2024-08-03
https://github.com/net-snmp/net-snmp/issues/474	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2022-44792	2023-05-16
https://bugzilla.redhat.com/show_bug.cgi?id=2141897	2023-05-16

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Netapp Search vendor "Netapp"	H300s Firmware Search vendor "Netapp" for product "H300s Firmware"	-	-	Affected	in	Netapp Search vendor "Netapp"	H300s Search vendor "Netapp" for product "H300s"	-	-	Safe
Netapp Search vendor "Netapp"	H500s Firmware Search vendor "Netapp" for product "H500s Firmware"	-	-	Affected	in	Netapp Search vendor "Netapp"	H500s Search vendor "Netapp" for product "H500s"	-	-	Safe
Netapp Search vendor "Netapp"	H700s Firmware Search vendor "Netapp" for product "H700s Firmware"	-	-	Affected	in	Netapp Search vendor "Netapp"	H700s Search vendor "Netapp" for product "H700s"	-	-	Safe
Netapp Search vendor "Netapp"	H410s Firmware Search vendor "Netapp" for product "H410s Firmware"	-	-	Affected	in	Netapp Search vendor "Netapp"	H410s Search vendor "Netapp" for product "H410s"	-	-	Safe
Net-snmp Search vendor "Net-snmp"		Net-snmp Search vendor "Net-snmp" for product "Net-snmp"				>= 5.8 <= 5.9.3 Search vendor "Net-snmp" for product "Net-snmp" and version " >= 5.8 <= 5.9.3"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected