CVE-2022-44793 is a NULL Pointer Exception vulnerability in Net-SNMP versions 5.4.3 through 5.9.3, specifically within the handle_ipv6IpForwarding function. A remote attacker can exploit this flaw by sending a crafted UDP packet, leading to a Denial of Service (DoS) condition by crashing the affected instance. With a CVSS score of 6.5 (Medium), this vulnerability is easily exploitable over the network with low attack complexity and no user interaction required, resulting in high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.4.3, <= 5.9.3CPE matchmatch criteria | cpe:2.3:a:net-snmp:net-snmp:*:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
handle_ipv6IpForwarding in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.4.3 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker to cause the instance to crash via a crafted UDP packet resulting in Denial of Service.
Nov 8, 2022net-snmp: NULL Pointer Exception when handling pv6IpForwarding
Nov 7, 2022