Vulnerability · Published Nov 7, 2022 · Assigned by mitre
CVE-2022-44793
Medium 6.5
In plain English
A medium-severity null pointer dereference in the net-snmp package (AlmaLinux). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 53.5% (higher than 99% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)53.5%top 1.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | net-snmp | 1:5.8-27.el8 | ALSA-2023:2969 |
| AlmaLinux:9 | net-snmp | 1:5.9.1-9.el9 | ALSA-2023:2444 |
| AlmaLinux:8 | net-snmp-agent-libs | 1:5.8-27.el8 | ALSA-2023:2969 |
| AlmaLinux:9 | net-snmp-agent-libs | 1:5.9.1-9.el9 | ALSA-2023:2444 |
| AlmaLinux:8 | net-snmp-devel | 1:5.8-27.el8 | ALSA-2023:2969 |
| AlmaLinux:9 | net-snmp-devel | 1:5.9.1-9.el9 | ALSA-2023:2444 |
| AlmaLinux:8 | net-snmp-libs | 1:5.8-27.el8 | ALSA-2023:2969 |
| AlmaLinux:9 | net-snmp-libs | 1:5.9.1-9.el9 | ALSA-2023:2444 |
| AlmaLinux:8 | net-snmp-perl | 1:5.8-27.el8 | ALSA-2023:2969 |
| AlmaLinux:9 | net-snmp-perl | 1:5.9.1-9.el9 | ALSA-2023:2444 |
| AlmaLinux:8 | net-snmp-utils | 1:5.8-27.el8 | ALSA-2023:2969 |
| AlmaLinux:9 | net-snmp-utils | 1:5.9.1-9.el9 | ALSA-2023:2444 |
| AlmaLinux:9 | python3-net-snmp | 1:5.9.1-9.el9 | ALSA-2023:2444 |
| Alpine:v3.20 | net-snmp | 5.9.3-r2 | ALPINE-CVE-2022-44793 |
| Alpine:v3.21 | net-snmp | 5.9.3-r2 | ALPINE-CVE-2022-44793 |
| Alpine:v3.22 | net-snmp | 5.9.3-r2 | ALPINE-CVE-2022-44793 |
| Alpine:v3.23 | net-snmp | 5.9.3-r2 | ALPINE-CVE-2022-44793 |
| Alpine:v3.24 | net-snmp | 5.9.3-r2 | ALPINE-CVE-2022-44793 |
| Debian:12 | net-snmp | 5.9.3+dfsg-2 | DEBIAN-CVE-2022-44793 |
| Debian:13 | net-snmp | 5.9.3+dfsg-2 | DEBIAN-CVE-2022-44793 |
| Debian:14 | net-snmp | 5.9.3+dfsg-2 | DEBIAN-CVE-2022-44793 |
| Ubuntu:22.04:LTS | net-snmp | 5.9.1+dfsg-1ubuntu2.4 | USN-5795-1 |
| Ubuntu:22.04:LTS | net-snmp | 5.9.1+dfsg-1ubuntu2.4 | UBUNTU-CVE-2022-44793 |
Affected products (as reported)
Weakness: CWE-476 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H